HAN-TAKInitiatives— Accueil Han-Tak

Carte des cyberrisques

Connaître les risques, garder les bonnes habitudes.

Ouvrez une catégorie pour voir ses technologies, les risques qu’elles comportent et ce qui vous protège.

Réseau domestiqueRouteurs, passerelles, Wi-Fi maillé, NAS, pare-feux, outils de segmentation

Routage et passerelles

Wi-Fi RouterRisque élevé

Points faibles

  • Default credentials never changed
  • Outdated firmware with unpatched CVEs
  • WPS enabled and brute-forceable
  • Weak WEP/WPA encryption
  • Remote management exposed to internet
  • DNS hijacking via compromised admin panel

Comment les attaques se produisent

  • Attacker logs in with default admin/admin — redirects DNS to malicious servers
  • Evil twin SSID mimics home network, intercepts all traffic
  • Router enlisted into Mirai botnet for DDoS attacks
  • MITM intercepts unencrypted HTTP sessions

Ce qui vous protège

  • Change default admin credentials immediately
  • Enable WPA3 or WPA2-AES; disable WEP/WPA
  • Disable WPS, UPnP, and remote management
  • Update firmware monthly or enable auto-update
  • Create separate guest network for IoT devices

Bonnes habitudes

  • Use reputable brands with active security lifecycle
  • Consider pfSense for advanced home firewall
  • Review connected devices list monthly
  • Enable DNS-over-HTTPS on router
ISP Modem / GatewayRisque moyen

Points faibles

  • ISP retains backdoor admin access
  • Default Wi-Fi password on device label
  • Slow ISP-controlled firmware patching
  • Shared infrastructure across subscribers

Comment les attaques se produisent

  • Physical attacker reads Wi-Fi credentials from label
  • DNS hijacking via modem admin panel compromise
  • ISP-level supply chain compromise of firmware

Ce qui vous protège

  • Place personal router behind ISP modem
  • Change default Wi-Fi password on gateway
  • Enable modem's built-in firewall
  • Request ISP disable remote management

Bonnes habitudes

  • Buy your own modem to reduce ISP control
  • Review ISP data retention policy annually
  • Use VPN at router level for all traffic
Mesh Wi-Fi System (Eero / Google Nest / Orbi)Risque moyen

Points faibles

  • Cloud-dependent management creates extra attack surface
  • Mobile app API vulnerabilities
  • Vendor stores network topology data
  • Inter-node traffic potentially unencrypted

Comment les attaques se produisent

  • Vendor cloud account compromise gives full network access
  • Malicious OTA firmware via vendor infrastructure
  • Companion app API vulnerability exposes controls

Ce qui vous protège

  • Strong password + MFA on vendor cloud account
  • Review vendor privacy and data policy
  • Keep firmware updated via app
  • Disable unused port forwards

Bonnes habitudes

  • Choose vendors with bug bounty programs
  • Segment IoT to separate VLAN
  • Audit connected device lists regularly
pfSense / OPNsense FirewallRisque moyen

Points faibles

  • Misconfigured firewall rules expose LAN
  • Outdated packages with known CVEs
  • Weak admin credentials on web UI
  • Exposed management interface on WAN

Comment les attaques se produisent

  • Attacker exploits unpatched HAProxy package for RCE
  • Brute-force on web UI grants full network control
  • Misconfigured NAT exposes internal services

Ce qui vous protège

  • Restrict web UI to LAN only
  • Use strong passwords + 2FA via plugin
  • Update OS and packages monthly
  • Enable logging and review weekly

Bonnes habitudes

  • Deploy IDS/IPS (Suricata, Snort)
  • Use VLANs for segmentation
  • Maintain configuration backups offline

Stockage et sauvegarde

Network-Attached Storage (NAS)Risque élevé

Points faibles

  • Default admin credentials
  • Services exposed directly to internet (port 5000/443)
  • Ransomware targeting NAS via network shares
  • Unpatched NAS OS (Synology/QNAP CVEs routinely exploited)

Comment les attaques se produisent

  • QNAP/Synology ransomware: DeadBolt encrypted thousands of NAS devices
  • Exposed NAS admin portal brute-forced from internet
  • NAS used as staging point for lateral movement on network

Ce qui vous protège

  • Never expose NAS directly to internet; use VPN for remote access
  • Change default credentials; disable admin account
  • Enable auto-updates; apply security advisories promptly
  • Enable 2FA on NAS admin interface

Bonnes habitudes

  • Enable immutable snapshots for ransomware recovery
  • Review which services are publicly accessible
  • Enable IP block-listing after failed login attempts
Cloud Backup Service (Backblaze / iDrive)Risque moyen

Points faibles

  • Account credentials reusable from breaches
  • No client-side encryption by default
  • Vendor breach exposes years of data
  • Restore process slow during incidents

Comment les attaques se produisent

  • Credential stuffing accesses backup archive
  • Ransomware encrypts files which then sync to backup, replacing clean copies
  • Vendor data breach exposes file metadata

Ce qui vous protège

  • Enable client-side encryption with private key
  • Use unique strong password + MFA
  • Choose vendor with versioning / point-in-time restore
  • Periodically test restore procedure

Bonnes habitudes

  • Follow 3-2-1 rule (3 copies, 2 media, 1 offsite)
  • Air-gap a periodic full backup
  • Audit account access logs quarterly
External / Portable USB DriveRisque faible

Points faibles

  • No encryption — physical theft = full data exposure
  • Lost or misplaced easily
  • USB malware (BadUSB)
  • No tamper indication

Comment les attaques se produisent

  • Lost drive at airport reveals years of personal data
  • BadUSB-style firmware attack pivots into host
  • Office cleaner copies drive contents

Ce qui vous protège

  • Use VeraCrypt or BitLocker To Go for full-disk encryption
  • Pair with strong passphrase, not just PIN
  • Disable USB autorun on hosts
  • Label and inventory drives

Bonnes habitudes

  • Prefer hardware-encrypted drives (Apricorn, iStorage)
  • Wipe drives securely before disposal
  • Avoid plugging unknown drives

Segmentation du réseau

Smart Ethernet Switch / PoERisque moyen

Points faibles

  • Default credentials on managed switches
  • Unencrypted management via Telnet
  • VLAN misconfiguration allows lateral movement
  • Firmware rarely updated

Comment les attaques se produisent

  • Attacker accesses management interface via default login
  • VLAN hopping exposes corporate traffic on home network
  • Compromised PoE switch powers malicious devices

Ce qui vous protège

  • Change default credentials; disable Telnet — use SSH only
  • Segment networks via properly configured VLANs
  • Update switch firmware; disable unused ports

Bonnes habitudes

  • Disable management access from untrusted ports
  • Use 802.1X authentication for port access control
  • Log all admin access to switch
Guest / IoT VLANRisque faible

Points faibles

  • Misconfigured inter-VLAN routing leaks traffic
  • mDNS/Bonjour leaks across VLANs by default
  • Improper firewall rules between segments

Comment les attaques se produisent

  • Compromised IoT device pivots to main LAN due to permissive firewall rule
  • Guest discovers production printer via mDNS leak

Ce qui vous protège

  • Default-deny inter-VLAN traffic; allow specific flows only
  • Use mDNS reflector with strict per-interface rules
  • Audit firewall rules quarterly

Bonnes habitudes

  • Place all IoT, smart TVs, cameras on isolated VLAN
  • Treat guest VLAN as untrusted internet
  • Document VLAN purpose and rules

Outils de sécurité réseau

Pi-hole / AdGuard Home (DNS sinkhole)Risque faible

Points faibles

  • Single point of DNS failure
  • Web admin UI exposed if not firewalled
  • Outdated blocklists may miss new threats
  • Update mechanism could be hijacked

Comment les attaques se produisent

  • Attacker compromises Pi-hole UI, redirects DNS to malicious resolver
  • Malware bypasses sinkhole using DoH directly to attacker server

Ce qui vous protège

  • Restrict admin UI to LAN only; use strong password
  • Enable DNS-over-HTTPS upstream (Cloudflare, Quad9)
  • Auto-update blocklists weekly
  • Block outbound DoH/DoT from clients (force them through Pi-hole)

Bonnes habitudes

  • Run on dedicated Pi or container
  • Maintain a secondary resolver for HA
  • Review blocked-domain reports weekly
Home IDS/IPS (Suricata, Zeek, Wazuh)Risque faible

Points faibles

  • False positives cause alert fatigue
  • Sensor placement misses encrypted traffic
  • Resource-intensive on small hardware
  • Outdated signature feeds

Comment les attaques se produisent

  • Critical alerts ignored due to noise
  • Encrypted exfiltration goes undetected
  • Attacker disables agent on compromised host

Ce qui vous protège

  • Tune rules to your environment
  • Update Emerging Threats / Talos rulesets weekly
  • Forward logs to a separate, hardened collector
  • Monitor agent health

Bonnes habitudes

  • Start with detect-only mode (IDS) before IPS
  • Use Wazuh for correlated host + network telemetry
  • Document and review high-severity alerts
Informatique personnellePortables, PC, tablettes, smartphones, liseuses, assistants IA

Appareils mobiles

SmartphoneRisque critique

Points faibles

  • OS not updated — known zero-days exposed
  • Malicious sideloaded apps
  • Excessive app permissions (mic, camera, location)
  • Weak 4-digit lock screen PIN
  • Juice jacking via public USB chargers
  • Bluetooth always-on broadcasts device

Comment les attaques se produisent

  • Spyware via malicious app reads messages, contacts, location
  • SIM swap at carrier intercepts SMS 2FA codes
  • Juice jacking via compromised public charger
  • Stalkerware installed via brief physical access

Ce qui vous protège

  • Full disk encryption (default iOS; verify Android)
  • Biometric + 6-digit PIN
  • Official app stores only; revoke unused permissions
  • USB data blocker for public charging
  • Enable remote wipe / Find My

Bonnes habitudes

  • Authenticator app (not SMS) for 2FA
  • Auto-update OS and apps
  • Mobile security app (Lookout, Bitdefender)
  • SIM PIN via carrier to prevent SIM swap
Tablet (iPad / Android tablet)Risque moyen

Points faibles

  • Shared family device without account separation
  • Child app installs without oversight
  • End-of-life devices with no security updates
  • Public Wi-Fi without VPN

Comment les attaques se produisent

  • Child downloads malware-laden app
  • Visitor accesses saved credentials on shared tablet
  • Phishing via unsafe browser session

Ce qui vous protège

  • Child profiles with parental controls
  • Restrict app installs to trusted accounts
  • Replace EOL devices
  • VPN on public networks

Bonnes habitudes

  • Monthly app permission review
  • Screen time and content limits for children
  • No sensitive financial data on shared tablets
eSIM / Dual-SIM PhoneRisque moyen

Points faibles

  • eSIM provisioning hijack via QR code phishing
  • Carrier-side eSIM swap easier than physical SIM swap
  • Multiple numbers complicate compromise detection

Comment les attaques se produisent

  • Attacker social-engineers carrier to provision eSIM on attacker device
  • QR phishing tricks user into provisioning attacker eSIM
  • Work line and personal line both compromised in one swap

Ce qui vous protège

  • Set carrier port-out PIN/passphrase
  • Use authenticator apps over SMS 2FA
  • Monitor carrier account for new eSIM activations
  • Enable carrier identity verification (e.g., Number Lock at Bell/Rogers)

Bonnes habitudes

  • Treat phone number as compromised — minimize SMS-based auth
  • Subscribe to carrier fraud alerts
  • Document recovery procedure if SIM is hijacked

Ordinateur de bureau et portable

Laptop / DesktopRisque élevé

Points faibles

  • Unpatched OS and third-party software
  • No full-disk encryption
  • No antivirus or outdated definitions
  • USB auto-run enabled
  • Shared admin accounts across family

Comment les attaques se produisent

  • Drive-by malware from compromised website
  • USB drop attack installs RAT
  • Keylogger delivered via phishing attachment
  • Ransomware encrypts all files
  • Physical theft of unencrypted device

Ce qui vous protège

  • BitLocker (Windows) or FileVault (macOS)
  • Keep OS and all software updated
  • Reputable AV/EDR solution
  • Disable USB auto-run
  • Separate user accounts per person

Bonnes habitudes

  • 3-2-1 backup rule (3 copies, 2 media, 1 offsite)
  • Password manager; don't save in browser
  • Enable Secure Boot in BIOS
  • Use standard account daily; admin only when needed
Linux WorkstationRisque moyen

Points faibles

  • False sense of immunity to malware
  • Sudo misconfiguration grants full root
  • Outdated repositories miss security patches
  • Personal scripts running with elevated privileges

Comment les attaques se produisent

  • Cross-platform supply-chain attack via npm/pypi packages
  • Misconfigured SSH server brute-forced
  • Browser zero-day exploited identically to Windows

Ce qui vous protège

  • Enable unattended-upgrades / dnf-automatic
  • Use SELinux or AppArmor
  • Disable SSH password auth; key-based + fail2ban
  • Use a non-root user daily

Bonnes habitudes

  • Run a minimal, supported distro (Ubuntu LTS, Fedora)
  • Verify package signatures
  • Use Flatpak/Snap sandboxing where possible
Homelab Server / ProxmoxRisque moyen

Points faibles

  • Web UI exposed to internet
  • Default credentials on hypervisor
  • VM escape vulnerabilities
  • No network segmentation between guests

Comment les attaques se produisent

  • Attacker accesses Proxmox UI on port 8006, deploys cryptominer
  • VM escape from compromised guest
  • Lateral movement across all VMs on flat network

Ce qui vous protège

  • Restrict UI to VPN only
  • Strong passwords + 2FA on hypervisor
  • Apply patches monthly
  • Use VLANs and firewall between VMs

Bonnes habitudes

  • Snapshot before changes
  • Isolate management network
  • Monitor with Wazuh / Prometheus

Objets portables

Smartwatch / Fitness TrackerRisque moyen

Points faibles

  • Sensitive health data in vendor cloud (heart rate, sleep, location, fertility)
  • Vendor acquisition changes privacy terms
  • BLE proximity tracking
  • Health data accessible to insurers if sold

Comment les attaques se produisent

  • Vendor sells health data to insurers or advertisers
  • Compromised account reveals location patterns
  • Bluetooth sniffing enables physical tracking in public

Ce qui vous protège

  • Restrict all data sharing in companion app
  • MFA on platform account
  • Disable BLE when not syncing
  • Read privacy policy before purchase

Bonnes habitudes

  • Choose privacy-committed vendors
  • Export and delete data when leaving platform
  • Opt out of research/analytics programs immediately
Smart Ring (Oura / Galaxy Ring)Risque moyen

Points faibles

  • Continuous biometric collection (HRV, temperature, sleep stages)
  • Subscription model creates lock-in
  • Cloud-only access to your own data
  • Vendor breach exposes health profile

Comment les attaques se produisent

  • Insurance discrimination based on leaked sleep / stress data
  • Stalker uses cloud account to monitor location and routine
  • Re-identification from "anonymous" health datasets

Ce qui vous protège

  • MFA on vendor account
  • Review and minimize data sharing
  • Export data periodically; delete on cloud
  • Use unique email for the account

Bonnes habitudes

  • Prefer vendors offering local-only mode
  • Read GDPR/PIPEDA disclosures
  • Cancel and wipe data when discontinuing
E-Reader (Kindle / Kobo)Risque faible

Points faibles

  • Linked store account stores payment info
  • E-books may contain malicious PDFs
  • Sync exposes reading habits to vendor
  • Old firmware rarely updated

Comment les attaques se produisent

  • Compromised account enables unauthorized purchases
  • Malicious e-book exploits PDF parser vulnerability

Ce qui vous protège

  • MFA on e-reader store account
  • Keep firmware updated
  • Review linked payment methods

Bonnes habitudes

  • Use gift cards instead of saved payment methods
  • Disable Wi-Fi when not in use

Assistants IA

ChatGPT / Claude / Gemini Desktop AppRisque moyen

Points faibles

  • Conversation history may be used for training
  • Prompt injection via shared documents
  • Plugins/connectors with broad scopes
  • Sensitive data pasted into prompts

Comment les attaques se produisent

  • Employee pastes customer data into prompt — vendor retains it
  • Malicious shared document hijacks agent to exfiltrate files
  • Compromised account exposes years of conversation history

Ce qui vous protège

  • Disable training-on-data setting
  • Use enterprise/team plans with no-train guarantee
  • Audit installed connectors and revoke unused
  • Never paste secrets, PII, or regulated data

Bonnes habitudes

  • Local LLM (Ollama, LM Studio) for sensitive workloads
  • MFA on AI account
  • Document acceptable-use policy at home/work
GitHub Copilot / AI Coding AssistantRisque moyen

Points faibles

  • Suggests insecure code patterns
  • Leaks proprietary code into telemetry
  • Suggests memorized secrets from training data
  • Supply-chain risk via suggested packages

Comment les attaques se produisent

  • Hardcoded credentials suggested and committed
  • Vulnerable dependency installed based on suggestion
  • Reverse-engineered training data leaks confidential snippets

Ce qui vous protège

  • Enable enterprise / business plan with code-not-used-for-training
  • Use SAST + secret-scanning on AI-generated code
  • Review every suggestion before accepting

Bonnes habitudes

  • Pair AI suggestions with code review
  • Disable telemetry where possible
  • Train developers on common AI failure modes
Concentrateur et assistantsAssistants vocaux, afficheurs, concentrateurs, appareils Matter/Thread, plateformes d'automatisation

Assistants vocaux

Smart Speaker (Alexa / Google Home)Risque moyen

Points faibles

  • Always-on microphone — passive surveillance
  • Anyone physically present can issue commands
  • Linked account is high-value target
  • Third-party skills may be malicious

Comment les attaques se produisent

  • Ultrasonic "dolphin attack" issues inaudible commands
  • Compromised Amazon account enables unauthorized purchases
  • Malicious Alexa skill phishes credentials

Ce qui vous protège

  • Physical mute button when not in use
  • Require voice PIN for purchases
  • Remove unused third-party skills
  • MFA on linked Amazon/Google account

Bonnes habitudes

  • Place away from windows (ultrasonic mitigation)
  • Regularly delete voice history in app
  • All smart home devices on separate IoT network
Smart Display (Echo Show / Nest Hub)Risque moyen

Points faibles

  • Camera and microphone always on
  • Displays personal calendar, messages, photos
  • Linked account high-value
  • Children may access adult services

Comment les attaques se produisent

  • Physical attacker views private calendar or photos on display
  • Visual eavesdropping of displayed messages
  • Compromised display used to monitor home occupancy

Ce qui vous protège

  • Disable camera/mic when not needed
  • Place away from sensitive areas
  • Use guest/restricted profiles for children
  • MFA on linked account

Bonnes habitudes

  • Cover camera physically when not in use
  • Review daily-summary content shown publicly
  • Audit linked services and apps
Apple HomePod / Siri DevicesRisque faible

Points faibles

  • iCloud account compromise affects HomeKit
  • Voice recognition can be fooled
  • Limited automation cross-ecosystem

Comment les attaques se produisent

  • Compromised iCloud account unlocks HomeKit-controlled doors
  • Replay attack with recorded voice unlocks personal data

Ce qui vous protège

  • Strong Apple ID password + MFA
  • Enable "Recognize Voice" only for trusted users
  • Review HomeKit shared users quarterly

Bonnes habitudes

  • Use Advanced Data Protection on iCloud
  • Limit HomeKit to truly trusted family
  • Disable Siri on lock screen for sensitive commands

Concentrateurs et plateformes

SmartThings / Hubitat HubRisque moyen

Points faibles

  • Cloud dependency — local control depends on hub model
  • Custom code from community apps unvetted
  • Z-Wave/Zigbee pairing mode physical exploit window
  • Account compromise = full home control

Comment les attaques se produisent

  • Malicious community app exfiltrates sensor data
  • Attacker in pairing range hijacks new devices
  • Cloud breach exposes home automation rules and routines

Ce qui vous protège

  • MFA on platform account
  • Vet every community app before install
  • Pair devices in a controlled, brief window
  • Prefer hubs with strong local control (Hubitat, Home Assistant)

Bonnes habitudes

  • Backup hub configuration regularly
  • Segment hub on IoT VLAN
  • Review automations and access quarterly
Home Assistant (self-hosted)Risque moyen

Points faibles

  • Web UI exposed via Nabu Casa or port forward
  • Custom integrations (HACS) increase attack surface
  • Add-on containers may run privileged
  • Backup contains all secrets if not encrypted

Comment les attaques se produisent

  • Exposed UI brute-forced; full home control taken
  • Malicious HACS integration exfiltrates tokens
  • Unencrypted backup leak reveals API keys for every integration

Ce qui vous protège

  • Use Nabu Casa or VPN — never raw port forward
  • MFA enabled on all admin users
  • Enable backup encryption
  • Run on dedicated hardware on IoT VLAN

Bonnes habitudes

  • Audit installed integrations monthly
  • Review automations for unintended triggers
  • Subscribe to HA security advisories
Matter / Thread DevicesRisque faible

Points faibles

  • New protocol — implementation bugs likely
  • Border router becomes critical single point
  • Commissioning QR code phishing
  • Vendor cloud may still be required

Comment les attaques se produisent

  • Malicious QR code commissions device into attacker fabric
  • Border router compromise affects entire Thread mesh
  • Vendor cloud breach despite local Matter control

Ce qui vous protège

  • Buy from reputable vendors with security commitments
  • Pair only via trusted controllers
  • Keep border router firmware updated
  • Verify devices appear in expected fabric

Bonnes habitudes

  • Prefer local-only operation when possible
  • Audit Matter fabrics on hub
  • Reset and re-commission suspicious devices
Éclairage et énergie connectésAmpoules, prises, interrupteurs, moniteurs d'énergie, onduleurs solaires

Éclairage

Smart Bulb (Hue / LIFX / Tuya)Risque faible

Points faibles

  • Insecure pairing protocols on cheap brands
  • Bulb leaks Wi-Fi credentials when factory reset (older Hue)
  • Cloud account compromise allows remote control
  • Telemetry to vendor reveals home occupancy

Comment les attaques se produisent

  • Discarded bulb extracted to recover Wi-Fi password
  • Mass remote shut-off via compromised vendor account
  • Occupancy inference from on/off patterns

Ce qui vous protège

  • Factory reset and physically destroy bulbs before disposal
  • MFA on vendor account
  • Use Zigbee/Matter local bulbs over cloud-only Wi-Fi bulbs

Bonnes habitudes

  • Choose vendors that publish security policies
  • Place on IoT VLAN
  • Avoid no-name Tuya bulbs for sensitive areas
Smart Switch / DimmerRisque faible

Points faibles

  • Mains-powered — physical install hazard if vendor abandons firmware
  • Cloud account high-value
  • Some flash custom firmware (Tasmota) — risk and reward

Comment les attaques se produisent

  • Vendor goes out of business — switches become unmanageable but still on mains
  • Compromised account turns off freezer or critical equipment

Ce qui vous protège

  • Choose vendors with long support history
  • MFA on app account
  • Document a manual override path

Bonnes habitudes

  • Prefer Matter/Zigbee for local control
  • Test failure modes (Wi-Fi down, cloud down)

Alimentation et énergie

Smart PlugRisque moyen

Points faibles

  • Cheap brands ship with hardcoded backdoors
  • Telemetry reveals device usage patterns
  • Insecure web interfaces on local network
  • Vendor cloud breaches

Comment les attaques se produisent

  • Researchers found hardcoded creds in TP-Link Kasa plugs
  • Energy data infers when residents are home
  • Compromised plug toggled to interrupt critical devices

Ce qui vous protège

  • Buy from reputable vendors
  • Place on IoT VLAN
  • Disable cloud sync if local control suffices
  • MFA on vendor account

Bonnes habitudes

  • Avoid plugs for life-safety equipment (medical, freezers)
  • Audit plug list monthly
  • Update firmware via app
Whole-Home Energy Monitor (Sense / Emporia)Risque faible

Points faibles

  • Granular load disaggregation reveals individual appliance use
  • Cloud-only data storage
  • Account compromise exposes full energy profile

Comment les attaques se produisent

  • Insurance / utility uses leaked data to infer behavior
  • Burglar uses pattern analysis to time entry

Ce qui vous protège

  • MFA on vendor account
  • Review data retention and sharing
  • Use local-only options where available

Bonnes habitudes

  • Place sensor in main panel only — not sub-meters of sensitive areas
  • Periodically delete historical data
Solar Inverter / Battery SystemRisque élevé

Points faibles

  • Internet-connected inverters often default-credentialed
  • Vulnerabilities (e.g., SolarMan, Enphase) allow remote shutdown
  • Aggregated grid impact if many compromised
  • Firmware updated infrequently

Comment les attaques se produisent

  • Researchers demonstrated remote shutdown of thousands of inverters via vendor cloud
  • Local network attacker disables home power
  • Battery firmware bug overheats cells

Ce qui vous protège

  • Place inverter on isolated VLAN — block direct internet
  • Change defaults; enable MFA on vendor portal
  • Apply firmware updates promptly

Bonnes habitudes

  • Choose vendors with published security disclosures
  • Maintain manual transfer / off-grid procedure
  • Monitor for unexpected production drops
Sécurité du domicileCaméras, sonnettes, serrures intelligentes, alarmes, ouvre-portes de garage

Caméras et sonnettes

Wi-Fi Indoor / Outdoor CameraRisque élevé

Points faibles

  • Default credentials never changed
  • Footage stored unencrypted in vendor cloud
  • Open RTSP streams exposed to internet
  • Firmware rarely updated

Comment les attaques se produisent

  • Mirai-class botnet recruits insecure cameras
  • Unauthorized viewers access feeds via Shodan-discovered RTSP
  • Vendor cloud breach exposes weeks of footage

Ce qui vous protège

  • Change default credentials; enable MFA on vendor account
  • Disable UPnP and direct internet exposure
  • Update firmware; verify vendor security commitments
  • Place cameras on isolated VLAN

Bonnes habitudes

  • Avoid cameras in bedrooms / bathrooms
  • Notify household and visitors of recording
  • Review footage retention and sharing policy
Video Doorbell (Ring / Nest / Eufy)Risque moyen

Points faibles

  • Footage shared with law enforcement requests
  • Vendor employee access (historical Ring incidents)
  • Bluetooth pairing exploitable during install
  • Audio captures bystanders without consent

Comment les attaques se produisent

  • Eufy was caught uploading thumbnails despite local-storage claims
  • Bystanders identified via facial recognition
  • Compromised account allows real-time monitoring

Ce qui vous protège

  • Strong unique password + MFA
  • Review and limit law-enforcement sharing settings
  • Disable cloud features if local works

Bonnes habitudes

  • Notify visitors that recording occurs (laws vary by province)
  • Audit shared users
  • Consider local-storage models

Serrures et accès

Smart Lock (August / Yale / Schlage Encode)Risque élevé

Points faibles

  • Bluetooth relay attacks unlock doors
  • Cloud account compromise grants physical entry
  • Battery failure during attack window
  • Sharing codes via app may be over-permissioned

Comment les attaques se produisent

  • Relay attack from outside with accomplice near phone unlocks door
  • Stolen / phished cloud credentials grant entry
  • Guest with one-time code arrives, then re-shares it

Ce qui vous protège

  • Disable proximity auto-unlock
  • MFA on lock app account
  • Use time-limited, single-use codes
  • Pair with deadbolt + alarm

Bonnes habitudes

  • Audit access log weekly
  • Rotate guest codes after use
  • Maintain physical key as backup
Garage Door Opener (MyQ / smart hub)Risque moyen

Points faibles

  • Old fixed-code remotes trivially replayable
  • Cloud account = remote door open
  • Companion app vulnerabilities
  • API integrations (Tesla, IFTTT) expand attack surface

Comment les attaques se produisent

  • Replay attack on fixed-code opener allows entry
  • Compromised account opens door remotely for accomplice
  • Removed third-party API access disrupts integrations (MyQ history)

Ce qui vous protège

  • Replace fixed-code with rolling-code opener
  • MFA on cloud account
  • Disable unused integrations
  • Audit "shared users" list

Bonnes habitudes

  • Notification on every open/close event
  • Manual disconnect for travel periods
  • Combine with garage interior camera

Alarmes et capteurs

Wireless Alarm System (SimpliSafe / Ring Alarm)Risque moyen

Points faibles

  • RF jamming disables sensor-to-base communication
  • Cellular failover may have weak signal
  • Default duress codes often unset
  • Cloud monitoring outage = no professional response

Comment les attaques se produisent

  • Researchers demonstrated SimpliSafe jamming attacks
  • Burglar disables Wi-Fi at meter; alarm silenced
  • Account takeover disables system

Ce qui vous protège

  • Choose systems with anti-jam detection
  • Set duress codes; train all family members
  • Cellular + Wi-Fi failover; UPS for base station
  • MFA on monitoring account

Bonnes habitudes

  • Test system monthly
  • Combine with cameras for verification
  • Local siren that works without cloud
Smart Smoke / CO Detector (Nest Protect)Risque faible

Points faibles

  • Cloud dependency for notifications — no Wi-Fi = no alert to phone
  • EOL devices stop receiving updates
  • Battery failure silently

Comment les attaques se produisent

  • User assumes alert reached phone but Wi-Fi was down
  • Compromised account hides alerts

Ce qui vous protège

  • Verify local alarm sounds regardless of cloud
  • Test monthly per Canadian fire code
  • Replace per manufacturer end-of-life schedule

Bonnes habitudes

  • Combine with traditional hard-wired detectors
  • MFA on Nest account
  • Maintain CO detector in every sleeping area (CSA recommendation)
Identité & AuthentificationMots de passe, MFA, SSO, sécurité email

Gestionnaires de mots de passe

1PasswordRisque moyen

Points faibles

  • Master password is single point of failure
  • Browser extension XSS risks
  • Cloud sync exposes encrypted vault
  • Phishing pages mimic 1Password unlock

Comment les attaques se produisent

  • Master password phishing via fake unlock prompt
  • Compromised browser extension exfiltrates vault
  • Account takeover if MFA not enabled on 1Password account itself

Ce qui vous protège

  • Use a long unique passphrase as master password (5+ random words)
  • Enable 2FA on 1Password account (hardware key preferred)
  • Keep Secret Key safely backed up offline
  • Update apps and extensions promptly

Bonnes habitudes

  • Use Watchtower to monitor breached credentials
  • Enable Travel Mode when crossing borders
  • Audit shared vaults quarterly
  • Use unique passwords for every site (even low-value ones)
BitwardenRisque moyen

Points faibles

  • Master password reuse risk
  • Self-hosted instances poorly maintained
  • Browser extension supply chain
  • Free tier lacks MFA on every device

Comment les attaques se produisent

  • Phishing master password via cloned login page
  • Self-hosted Vaultwarden exposed without HTTPS
  • Malicious extension update steals vault

Ce qui vous protège

  • Use strong unique master password
  • Enable hardware key 2FA (YubiKey)
  • If self-hosting, use HTTPS + reverse proxy + fail2ban
  • Regularly export encrypted backups

Bonnes habitudes

  • Subscribe to premium for emergency access
  • Review login history monthly
  • Disable browser auto-fill on untrusted sites
  • Use Bitwarden Send for secure file/text sharing
KeePass / KeePassXCRisque faible

Points faibles

  • Local database file can be stolen
  • No native cloud sync — users build risky workflows
  • Plugins are unvetted third-party code
  • KeeFarce-style attacks on running process

Comment les attaques se produisent

  • Stolen .kdbx file brute-forced offline
  • Malicious plugin exfiltrates entries
  • Memory dump of unlocked KeePass process

Ce qui vous protège

  • Use long passphrase + key file as composite key
  • Store .kdbx on encrypted volume only
  • Avoid third-party plugins unless audited
  • Lock workspace when away from device

Bonnes habitudes

  • Use Argon2 KDF (not AES-KDF) for new databases
  • Sync via your own encrypted cloud (e.g., Cryptomator + Drive)
  • Keep offline backup copies
  • Use KeePassXC over original KeePass on Linux/macOS
Browser-built password managersRisque élevé

Points faibles

  • Vault tied to OS/browser account — single sign-on creates lateral risk
  • Weak master protection on Windows (DPAPI bypass)
  • Synced across all signed-in devices
  • Limited cross-browser portability

Comment les attaques se produisent

  • Malware (RedLine, Vidar) extracts entire Chrome/Edge vault from disk
  • Family member with device access reads all saved passwords
  • Lost device with auto-login unlocks every saved site

Ce qui vous protège

  • Disable browser password saving; use a dedicated manager
  • If using browser manager, enable OS biometric prompt before reveal
  • Enable strong device login + screen lock

Bonnes habitudes

  • Migrate to dedicated password manager
  • Audit and clear saved passwords periodically
  • Never use browser manager on shared/family devices for sensitive accounts

Authentification multifacteur

Authenticator apps (Authy, Google, Microsoft)Risque moyen

Points faibles

  • Cloud-backup of TOTP seeds (Authy, Google Auth) creates a remote target
  • Lost device locks user out if no backup
  • Push-fatigue attacks on Microsoft Authenticator
  • Phone malware reads codes via screen capture

Comment les attaques se produisent

  • Authy account hijack (2022 Twilio breach exposed seeds)
  • MFA-bombing tricks user into approving malicious push
  • Stolen device with no PIN gives codes immediately

Ce qui vous protège

  • Disable cloud backup of TOTP seeds where possible
  • Enable Authenticator app PIN/biometric lock
  • Use number-matching MFA prompts (Microsoft)
  • Backup recovery codes in password manager

Bonnes habitudes

  • Prefer hardware keys for high-value accounts
  • Maintain a backup authenticator on a second device
  • Periodically test recovery codes
  • Migrate to phishing-resistant methods (passkeys/WebAuthn)
Hardware security keys (YubiKey, Titan)Risque faible

Points faibles

  • Physical loss/theft of key
  • Limited site support for FIDO2
  • Older U2F-only keys lack backup options
  • Some keys vulnerable to side-channel (older Yubico FW)

Comment les attaques se produisent

  • Lost key + no backup = account lockout
  • Coercion: physical adversary forces key tap
  • Supply-chain tampering on counterfeit keys

Ce qui vous protège

  • Always register at least 2 keys per account
  • Buy from official vendor only (Yubico, Google, Feitian)
  • Enable PIN on FIDO2 keys for presence + knowledge factor
  • Store backup key in fireproof safe / safety deposit box

Bonnes habitudes

  • Keep one key on keyring, one in secure storage
  • Use NFC-capable keys for mobile compatibility
  • Register passkeys where supported
  • Disable SMS fallback once hardware key is set up
Passkeys (FIDO2 / WebAuthn)Risque faible

Points faibles

  • Vendor-locked passkey sync (iCloud/Google) creates platform dependency
  • Cross-platform recovery still maturing
  • Family members on shared Apple ID could see passkeys
  • Lost-account recovery flows still rely on weaker factors

Comment les attaques se produisent

  • Apple ID / Google account compromise unlocks all passkeys
  • Phishing of fallback recovery method bypasses passkey
  • Shared device on family Apple ID exposes accounts

Ce qui vous protège

  • Use a strong unique password + hardware key on the parent platform account (Apple/Google)
  • Avoid family-shared Apple ID for sensitive logins
  • Maintain hardware-key passkeys (YubiKey 5, Titan) for portability

Bonnes habitudes

  • Use passkeys for every site that supports them
  • Periodically review passkey list per account
  • Combine passkeys with strict device PINs and biometrics
  • Test the recovery flow before relying on it solely
SMS / Voice OTPRisque élevé

Points faibles

  • SIM-swap attacks at carrier
  • SS7 protocol weaknesses allow SMS interception
  • Codes visible on lock screen
  • Carrier insider risk

Comment les attaques se produisent

  • SIM swap then drain bank account / hijack email
  • SS7 interception of SMS code (used by sophisticated attackers)
  • Shoulder surfing of code on lock screen

Ce qui vous protège

  • Set carrier SIM PIN / port-out lock with provider (Bell/Rogers/Telus offer this in Canada)
  • Hide message previews on lock screen
  • Migrate critical accounts to TOTP/hardware keys

Bonnes habitudes

  • Treat SMS MFA as legacy — replace where possible
  • Never use SMS MFA for crypto exchanges or password manager
  • Confirm carrier escalation procedures for port-out fraud

SSO & Fédération

Sign in with Google/Apple/MicrosoftRisque moyen

Points faibles

  • IdP account compromise = mass account takeover
  • Disabled IdP account = lost access to dependent services
  • Phishable consent screens
  • Permissions creep across third-party apps

Comment les attaques se produisent

  • Compromised Google account unlocks dozens of SSO services
  • Malicious OAuth app harvests Gmail/Drive scopes
  • Account suspension by IdP locks user out of unrelated services

Ce qui vous protège

  • Maximum security on IdP account: hardware key + strong password
  • Quarterly review of OAuth-connected apps and revoke unused
  • Avoid using SSO for highest-value accounts (bank, password manager)

Bonnes habitudes

  • Document where you used each SSO provider
  • Maintain a dedicated alternative email for critical accounts
  • Enable IdP account recovery options carefully
Corporate SSO (Okta, Azure AD/Entra)Risque élevé

Points faibles

  • IdP compromise = enterprise-wide breach (Okta 2022/2023 incidents)
  • Misconfigured SCIM provisioning leaks data
  • Token replay if session not bound to device
  • Stale accounts retain SSO access

Comment les attaques se produisent

  • Okta admin compromise → lateral movement across SaaS apps
  • MFA-bombing of corporate users
  • Token theft via infostealer malware then replay

Ce qui vous protège

  • Enforce phishing-resistant MFA (FIDO2) for all admins
  • Conditional access: device compliance + IP restrictions
  • Short session lifetimes; require re-auth for sensitive apps
  • Monitor IdP audit logs continuously

Bonnes habitudes

  • Adopt Zero Trust principles
  • Deprovision leaver accounts within hours
  • Quarterly access reviews
  • Use PIM/PAM for admin role activation

Authentification email

SPF / DKIM / DMARCRisque moyen

Points faibles

  • Domain without DMARC easily spoofed
  • Misconfigured DKIM key length (<2048) is brute-forceable
  • Subdomain takeover bypasses parent SPF
  • Loose `p=none` policy provides no protection

Comment les attaques se produisent

  • Spoofed invoice email from your domain to your CFO
  • Phishing of customers using lookalike subdomains
  • BEC fraud via spoofed CEO email

Ce qui vous protège

  • Publish strict DMARC policy (`p=reject` after monitoring period)
  • Use 2048-bit DKIM keys; rotate annually
  • Configure SPF with `~all` then upgrade to `-all`
  • Subscribe to DMARC reporting service (Postmark, EasyDMARC)

Bonnes habitudes

  • Add BIMI record once DMARC is enforced (logo in inbox)
  • Monitor reports monthly for unauthorized senders
  • Document all legitimate sending services
  • Audit subdomains for SPF/DMARC inheritance
Technologie FinancièreApps bancaires, POS, portefeuilles crypto, sans contact

Applications bancaires

Mobile banking app (RBC, TD, Desjardins, etc.)Risque élevé

Points faibles

  • SMS-based 2FA susceptible to SIM swap
  • Overlay attacks on Android (banking trojans like Anatsa)
  • Rooted/jailbroken device bypasses app security
  • Public Wi-Fi MITM if app pins are absent
  • Saved login on shared family device

Comment les attaques se produisent

  • Banking trojan overlays login form, captures credentials and intercepts SMS code
  • SIM swap → password reset → emptied account
  • Stolen unlocked phone with biometric set to a family member

Ce qui vous protège

  • Use authenticator app or hardware key over SMS where supported
  • Set carrier port-out PIN with Bell/Rogers/Telus
  • Install bank app only from official store
  • Enable transaction alerts for every debit/credit
  • Use cellular data, not public Wi-Fi

Bonnes habitudes

  • Maintain a daily transfer limit appropriate to your needs
  • Enable biometric login but require PIN for transfers
  • Review monthly statements line-by-line
  • Report any unrecognized device under My Devices in app
Online banking web portalRisque élevé

Points faibles

  • Credential stuffing from breached passwords
  • Browser auto-fill exposes login on shared computers
  • Old browser without TLS 1.3
  • Phishing emails mimic bank notifications

Comment les attaques se produisent

  • Reused password from breach allows attacker login
  • Phishing email leads to fake portal that captures credentials + 2FA
  • Browser session hijack via XSS in third-party banner

Ce qui vous protège

  • Unique strong password from password manager
  • Enable all available MFA options (especially hardware keys)
  • Always type bank URL or use a bookmark — never click email links
  • Use a dedicated browser profile for banking

Bonnes habitudes

  • Sign out and close browser after each session
  • Enable account lockout notifications
  • Monitor accounts via independent service (Credit Karma, Borrowell in Canada)

Terminaux de paiement & POS

Smart POS terminals (Square, Clover, Moneris)Risque moyen

Points faibles

  • Default merchant credentials
  • PIN-pad shimming/skimming attacks
  • Outdated terminal firmware
  • Network segmentation gaps allow lateral movement from POS to back office

Comment les attaques se produisent

  • Card-skimmer overlay captures swipes and PINs
  • Compromised POS pivots to corporate network (Target 2013 precedent)
  • Malicious USB peripheral on terminal exfiltrates card data

Ce qui vous protège

  • Change default credentials immediately
  • Inspect terminals daily for tampering/skimmers
  • Keep terminal OS/firmware updated
  • Segment POS network from corporate network and Wi-Fi

Bonnes habitudes

  • PCI-DSS compliance baseline
  • Use P2PE-validated solutions where available
  • Train staff to recognize tampering
  • Review terminal logs weekly
Mobile card readers (Square Reader, SumUp)Risque moyen

Points faibles

  • Bluetooth pairing vulnerabilities
  • Lost reader paired to attacker phone
  • Companion app permissions overreach
  • Counterfeit reader sold via marketplaces

Comment les attaques se produisent

  • Unpaired Bluetooth reader hijacked by nearby attacker
  • Stolen paired phone processes fraudulent refunds
  • Fake reader skims card data before forwarding

Ce qui vous protège

  • Buy directly from vendor — never marketplaces
  • Pair only over secure Bluetooth and verify reader serial
  • Lock companion app with biometrics

Bonnes habitudes

  • Daily reconciliation of transactions
  • Disable unused payment methods in companion app
  • Restrict admin accounts to owner only

Portefeuilles crypto

Hardware wallet (Ledger, Trezor)Risque faible

Points faibles

  • Seed phrase exposure (photo, cloud, paper theft)
  • Counterfeit devices from unauthorized resellers
  • Supply-chain tampering before delivery
  • Companion app phishing prompts
  • Ledger Recover service controversy (key shards held by 3 parties)

Comment les attaques se produisent

  • Stolen seed phrase drains entire wallet
  • Malicious firmware update via compromised companion app
  • Address-substitution malware on host PC swaps destination
  • Coercion attack with $5 wrench to reveal seed

Ce qui vous protège

  • Buy only from official vendor (ledger.com, trezor.io)
  • Verify device authenticity on first boot
  • Always verify destination address on the hardware screen
  • Never type seed into any device — write on paper/steel and store offline

Bonnes habitudes

  • Use a passphrase (25th word) for plausible deniability
  • Distribute seed using SLIP-39 or Shamir Backup
  • Store backups in geographically separate locations
  • Decline Ledger Recover if you don't want key shards held by third parties
Hot wallets (MetaMask, Phantom, Trust)Risque élevé

Points faibles

  • Browser extension supply-chain attacks
  • Malicious dApp drains via signTypedData phishing
  • Seed phrase stored on device disk
  • Clipboard hijacking on host OS

Comment les attaques se produisent

  • Fake Uniswap site asks for unlimited token approval, drains wallet
  • Malicious browser extension impersonates MetaMask
  • Address-replacing clipboard malware
  • Drainer-as-a-Service kits empty wallet on first signature

Ce qui vous protège

  • Use hardware wallet to sign all transactions originating from hot wallet
  • Revoke unused token approvals (revoke.cash) regularly
  • Install only verified extensions from official store
  • Use a dedicated browser profile for crypto

Bonnes habitudes

  • Limit hot wallet to small operating balance only
  • Maintain a separate cold-storage wallet for the bulk
  • Verify every signature payload before approving
  • Bookmark dApp URLs — never use search engines
Centralized exchange accounts (Coinbase, Kraken, Newton, Bitbuy)Risque élevé

Points faibles

  • Exchange insolvency risk (FTX, Celsius, QuadrigaCX in Canada)
  • SIM-swap → password reset → withdrawal
  • Withholding of funds during disputes
  • KYC data breach exposes identity

Comment les attaques se produisent

  • Exchange bankruptcy locks all customer funds
  • SIM swap drains exchange wallet
  • Phishing of exchange credentials + 2FA
  • Insider exfiltration of KYC data

Ce qui vous protège

  • Use Canadian-regulated exchanges (Newton, Bitbuy, Coinsmart) and only keep trading balance
  • Enable hardware key 2FA
  • Set withdrawal address allow-listing
  • Set carrier SIM-swap protection

Bonnes habitudes

  • Not your keys, not your coins — withdraw to self-custody for long-term holdings
  • Diversify across exchanges if you must keep funds there
  • Monitor news for exchange solvency
  • Save exchange tax records (CRA reporting)

Sans contact & portefeuilles mobiles

Apple Pay / Google WalletRisque faible

Points faibles

  • Lost device with weak passcode allows transactions
  • Express Transit mode bypasses biometric (Apple Pay)
  • Family Sharing exposes payment methods to children
  • Relay attacks on contactless cards stored in wallet

Comment les attaques se produisent

  • Stolen iPhone with shoulder-surfed passcode → unlimited Apple Pay spend (well-documented attacks 2023-24)
  • Child uses Family-shared payment method without limits
  • NFC relay attack at checkout

Ce qui vous protège

  • Use 6+ digit passcode (alphanumeric strongly preferred)
  • Disable Express Transit if you don't need it
  • Enable Stolen Device Protection (iOS 17.3+)
  • Set spending limits on Family Sharing

Bonnes habitudes

  • Enable transaction notifications
  • Review wallet activity weekly
  • Add only cards with strong fraud monitoring
  • Use Find My to remotely wipe if lost
Tap-to-pay credit/debit cardsRisque faible

Points faibles

  • Skimming via concealed handheld NFC reader (limited per-tap value)
  • Lost card abused below tap limit ($250 in Canada per tap)
  • Multiple stolen cards in same wallet
  • Card details leaked via merchant breach

Comment les attaques se produisent

  • Pickpocket uses stolen card for sub-limit purchases until reported
  • NFC skimmer in crowded transit reads card data
  • Merchant breach leaks PAN for online fraud

Ce qui vous protège

  • Use RFID-blocking sleeve/wallet for high-risk environments
  • Enable transaction alerts on each card
  • Report loss within minutes (most banks have in-app card freeze)
  • Set lower tap limits if your bank allows

Bonnes habitudes

  • Use mobile wallet (Apple/Google Pay) instead — tokenized PAN
  • Review statements weekly
  • Activate fraud alerts via Equifax/TransUnion in Canada
CommunicationsMessageries, clients email, visioconférence

Messageries chiffrées E2EE

SignalRisque faible

Points faibles

  • Endpoint compromise (malware on phone) reads decrypted messages
  • Linked desktop client expands attack surface
  • Backup files (if enabled) stored locally
  • Phone number is the identity (privacy concern)

Comment les attaques se produisent

  • Stalkerware on device captures messages despite E2EE
  • Linked-device approval phishing
  • Compromised phone backup exposes message history

Ce qui vous protège

  • Set Registration Lock PIN to prevent SIM-swap takeover
  • Enable Screen Lock in Signal app settings
  • Review and remove unused linked devices monthly
  • Use Signal usernames (2024+) to hide phone number

Bonnes habitudes

  • Enable disappearing messages for sensitive chats
  • Verify safety numbers in person for high-stakes contacts
  • Disable message previews on lock screen
  • Use a dedicated number (Google Voice/MySudo) if privacy is critical
Matrix / ElementRisque faible

Points faibles

  • Default homeservers vary in security posture
  • Cross-signing setup is complex; users skip verification
  • Federation metadata leaks
  • Bridges to non-E2EE networks expose content

Comment les attaques se produisent

  • Compromised homeserver admin reads room metadata (membership, timing)
  • Unverified device joins room and reads new messages
  • Bridge to Discord/Slack leaks messages to non-E2EE channel

Ce qui vous protège

  • Self-host Synapse/Conduit for sovereignty
  • Always verify all your own devices and contacts via emoji/QR
  • Disable bridges in sensitive rooms
  • Use private rooms with required device verification

Bonnes habitudes

  • Encrypt every room (default in Element)
  • Maintain offline backup of recovery key
  • Review room membership periodically
  • Prefer matrix.org alternatives if metadata privacy matters

Messageries grand public

WhatsAppRisque moyen

Points faibles

  • Meta metadata collection (contacts, groups, timing)
  • Cloud backups (iCloud/Google Drive) historically not E2EE by default
  • Linked-device sessions persist
  • SS7/SIM-swap attacks on registration

Comment les attaques se produisent

  • Cloud backup search by law enforcement (now optional E2EE)
  • Account takeover via SIM swap and SMS code
  • Group invite link harvested by adversary

Ce qui vous protège

  • Enable two-step verification with PIN
  • Enable end-to-end encrypted backups (settings → chats → backup)
  • Hide last seen, profile photo, and groups from non-contacts
  • Avoid public group invite links

Bonnes habitudes

  • Migrate sensitive conversations to Signal
  • Review linked devices monthly
  • Block unknown numbers
  • Disable message previews
iMessageRisque moyen

Points faibles

  • SMS fallback to non-iMessage contacts is unencrypted
  • iCloud Messages sync exposes content if iCloud account compromised
  • NSO Pegasus zero-click exploits historically targeted iMessage
  • Family Sharing surfaces conversations partially

Comment les attaques se produisent

  • iCloud breach exposes archived messages
  • Pegasus-style zero-click exploit installs spyware
  • Stolen unlocked device reads all conversations

Ce qui vous protège

  • Enable Advanced Data Protection (iOS 16.2+) for E2EE iCloud
  • Enable Lockdown Mode if you're a high-risk target
  • Strong unique iCloud password + hardware-key 2FA
  • Disable iCloud Messages if you don't need cross-device sync

Bonnes habitudes

  • Keep iOS updated within 24h of releases
  • Verify Contact Key Verification (iOS 17.2+) for sensitive contacts
  • Use Signal for highest-stakes conversations
  • Hide message previews on lock screen

Clients email

Outlook / Apple Mail / ThunderbirdRisque moyen

Points faibles

  • Auto-load remote images leaks open notifications + IP
  • Attachment auto-preview can trigger exploits
  • OAuth tokens cached locally
  • Add-ins/plugins have broad mailbox access

Comment les attaques se produisent

  • Tracking pixels confirm email opened and approximate location
  • Malicious attachment exploits Office vulnerability
  • Compromised add-in exfiltrates entire mailbox

Ce qui vous protège

  • Disable remote image auto-load
  • Disable preview pane for unknown senders
  • Audit and remove unused add-ins/plugins
  • Enable encryption (S/MIME or PGP) for sensitive correspondence

Bonnes habitudes

  • Use a dedicated email client profile per account
  • Run email client with reduced privileges where possible
  • Subscribe to vendor security advisories
Web mail (Gmail, Outlook.com, ProtonMail)Risque moyen

Points faibles

  • Browser session hijack via XSS or malicious extension
  • OAuth-connected third-party apps have persistent access
  • Auto-forward rules abused by attackers
  • Saved password in browser

Comment les attaques se produisent

  • Malicious extension reads inbox content
  • Attacker creates auto-forward rule after compromise to maintain access invisibly
  • OAuth grant phishing for full mailbox scopes

Ce qui vous protège

  • Use hardware key 2FA on email account (THE most important account to protect)
  • Quarterly review of OAuth-connected apps
  • Quarterly review of forwarding rules and filters
  • Use a dedicated browser profile for email

Bonnes habitudes

  • For maximum privacy: ProtonMail or Tutanota with E2EE
  • Enable login alerts
  • Review account activity / IP history monthly
  • Set up account recovery carefully (it's the bypass for everything else)

Visioconférence

Zoom / Teams / Google MeetRisque moyen

Points faibles

  • Meeting links shared publicly enable Zoom-bombing
  • Recording stored in cloud with default permissions
  • Background image leaks
  • Plugin/integration access to entire account

Comment les attaques se produisent

  • Public meeting link shared → harassment and disruption
  • Recorded confidential meeting accidentally publicly accessible
  • Compromised user account joins all upcoming meetings

Ce qui vous protège

  • Require meeting passcode + waiting room
  • Restrict screen sharing to host
  • Review recording storage permissions
  • Use SSO + MFA for corporate accounts

Bonnes habitudes

  • Lock meetings once all expected attendees join
  • Disable cloud recording for sensitive meetings (use local with encryption)
  • Audit installed apps/integrations in admin console
  • Enable end-to-end encryption where supported (Zoom E2EE)
DivertissementTV connectées, jeux, VR/AR, audio

TV connectée & streaming

Smart TV (Samsung Tizen, LG webOS, Android TV)Risque moyen

Points faibles

  • Always-on microphone for voice control
  • ACR (Automatic Content Recognition) tracks every frame watched
  • Pre-installed apps with broad permissions
  • Vendor stops firmware updates after 2-3 years
  • Default credentials on developer/debug interfaces

Comment les attaques se produisent

  • ACR data sold to advertisers (well-documented for Vizio, Samsung)
  • Compromised app on TV pivots to home network
  • Voice data leaked from compromised vendor cloud
  • TV botnet enrollment after EOL

Ce qui vous protège

  • Disable ACR / Smart Interactivity in settings (Samsung: 'Viewing Information Services')
  • Disable always-on microphone if not used
  • Place TV on isolated IoT VLAN
  • Use external streaming device (Apple TV) instead of built-in apps

Bonnes habitudes

  • Review and uninstall pre-installed apps
  • Decline marketing/personalization opt-ins on first setup
  • Replace TV when vendor stops security updates
  • Disable Wi-Fi entirely if TV is used only via HDMI
Streaming sticks (Roku, Fire TV, Chromecast, Apple TV)Risque faible

Points faibles

  • Companion app permissions overreach
  • Cast/AirPlay open to local network without auth
  • Account compromise enables fraudulent rentals
  • Side-loaded apps on Fire TV

Comment les attaques se produisent

  • Cast bombing: any guest on Wi-Fi sends content to TV
  • Compromised account purchases fraudulent rentals
  • Malicious sideloaded APK on Fire TV

Ce qui vous protège

  • Require PIN for purchases
  • Disable Cast / AirPlay when not in use, or restrict to trusted devices
  • Avoid sideloading on Fire TV
  • Place on guest VLAN

Bonnes habitudes

  • Strong password + 2FA on associated account
  • Audit subscriptions monthly
  • Sign out from accounts on shared/rental devices
  • Update device firmware regularly

Jeux vidéo

Gaming consoles (PS5, Xbox, Switch)Risque moyen

Points faibles

  • Account credentials reused from other breaches
  • Voice chat captures background audio
  • Fraudulent gift card / V-Buck phishing
  • Saved payment methods accessible by family members
  • Stalking via Friends list / online status

Comment les attaques se produisent

  • Account takeover drains stored payment method on game purchases
  • Voice phishing in voice chat targets minors
  • Doxxing via leaked Gamertag → real identity
  • Fortnite-style phishing for in-game currency

Ce qui vous protège

  • Enable 2FA on PSN / Xbox Live / Nintendo account
  • Require password for all purchases
  • Set up child accounts with parental controls and spending limits
  • Restrict friend requests and online visibility

Bonnes habitudes

  • Use a dedicated gaming-only email
  • Educate kids on chat phishing
  • Review Friends and blocked lists periodically
  • Update console system software
PC gaming (Steam, Epic, mods)Risque moyen

Points faibles

  • Game mods can contain malware
  • Steam phishing via fake trade offers
  • Saved Steam credentials in steam_login_users token
  • Game launchers run with broad privileges

Comment les attaques se produisent

  • Steam Stealer malware exfiltrates session token, hijacks account
  • Malicious mod on Nexus/Workshop installs RAT
  • Phishing trade offer drains inventory of valuable skins

Ce qui vous protège

  • Enable Steam Guard Mobile Authenticator (NOT email)
  • Download mods only from official Workshop / vetted sources
  • Run games as standard (non-admin) user
  • Use a dedicated browser for gaming community sites

Bonnes habitudes

  • Periodically clear Steam login sessions
  • Don't accept random Discord/Steam friend requests
  • Use Family Sharing carefully
  • Keep antivirus active even when gaming

Casques VR/AR

Meta Quest / Apple Vision Pro / PicoRisque moyen

Points faibles

  • Eye-tracking and biometric data sent to vendor
  • Room-scan / spatial mapping reveals home interior
  • Always-on cameras for passthrough
  • Account tied to broader vendor ecosystem (Meta/Apple)
  • Children's biometric data collection concerns

Comment les attaques se produisent

  • Meta account compromise → eye-tracking + spatial data exposed
  • Inappropriate content access by minors via shared headset
  • Spatial map of home leaked from vendor breach

Ce qui vous protège

  • Review and minimize data sharing in headset settings
  • Use guest mode for visitors
  • Set up parental controls / age-appropriate accounts
  • Cover passthrough cameras when not in use

Bonnes habitudes

  • Decline biometric/research opt-ins
  • Limit room-scan to necessary areas only
  • Update headset firmware regularly
  • For Meta Quest, use a dedicated Meta account separate from Facebook

Appareils audio

Bluetooth headphones / earbuds (AirPods, Sony, Bose)Risque faible

Points faibles

  • Bluetooth always-on broadcasts MAC for tracking
  • BLE pairing vulnerabilities (KNOB, BIAS attacks)
  • Find My / vendor cloud account exposes location history
  • Companion app permissions

Comment les attaques se produisent

  • Bluetooth tracking via persistent MAC across stores/cities
  • Eavesdropping via BIAS attack on vulnerable firmware
  • Vendor account breach exposes paired device locations

Ce qui vous protège

  • Update firmware via companion app regularly
  • Disable 'always discoverable' modes
  • Strong password + 2FA on vendor account
  • Disable Bluetooth when not in use

Bonnes habitudes

  • Use random/private MAC where supported
  • Review vendor app permissions
  • Erase devices before resale
  • For AirPods, enable Find My's Lost Mode if misplaced
Smart speakers (Echo, Google Nest, HomePod)Risque élevé

Points faibles

  • Always-listening microphone
  • Voice purchases without confirmation
  • Drop-In / intercom features can be abused
  • Voice match weak — children or guests trigger purchases
  • Vendor cloud stores voice recordings

Comment les attaques se produisent

  • Accidental purchase via overheard advertising
  • Drop-In abused by family/ex-partners for surveillance
  • Voice recording leak from vendor breach
  • Compromised account streams audio surreptitiously

Ce qui vous protège

  • Require voice PIN for purchases
  • Disable Drop-In / restrict to specific contacts
  • Mute mic physically when not in use
  • Set voice recording auto-delete (3 months)

Bonnes habitudes

  • Review voice history monthly
  • Disable third-party skills you don't use
  • Place on isolated IoT VLAN
  • Strong password + 2FA on Amazon/Google/Apple account
Santé & Bien-êtreWearables, dispositifs médicaux, apps santé, télésanté

Wearables & bagues connectées

Fitness trackers (Fitbit, Garmin, Whoop)Risque moyen

Points faibles

  • Continuous health data (HR, sleep, location, menstrual) in vendor cloud
  • Account compromise reveals daily routines
  • Strava-style heatmaps revealed military bases historically
  • Vendor acquisition (Google bought Fitbit) changes privacy terms
  • BLE tracking via persistent identifier

Comment les attaques se produisent

  • Stalker uses leaked location/route data to predict whereabouts
  • Insurance discrimination based on inferred health metrics
  • Compromised vendor cloud leaks reproductive health data
  • Heatmap publicly exposes home address

Ce qui vous protège

  • Disable public sharing of activity/location
  • Set workout privacy to 'private' by default
  • Review and minimize data shared with third-party apps
  • Strong password + 2FA on vendor account

Bonnes habitudes

  • Read vendor privacy policy before purchase
  • Audit connected third-party apps quarterly
  • Export and delete data when leaving the platform
  • Avoid posting workout maps starting/ending at home
Smart rings (Oura, Galaxy Ring, Ultrahuman)Risque moyen

Points faibles

  • Highly sensitive biometric data (fertility, sleep stages, body temp)
  • Subscription model means data captive to platform
  • BLE pairing vulnerabilities
  • Vendor business model may pivot to data monetization

Comment les attaques se produisent

  • Reproductive health data subpoenaed (post-Roe US precedent — relevant for cross-border travel from Canada)
  • Vendor cloud breach exposes detailed biometric profiles
  • Insurer purchases aggregated health data

Ce qui vous protège

  • Use a privacy-respecting account (separate email, no real name where possible)
  • Disable cloud sync if local-only mode is supported
  • Decline research / data-donation opt-ins
  • Strong password + 2FA

Bonnes habitudes

  • Choose vendors with clear privacy commitments (Oura has stronger track record)
  • Periodically export and delete historical data
  • Be aware of vendor jurisdiction (US vs EU vs Canadian data residency)

Dispositifs médicaux

Continuous Glucose Monitor (CGM — Dexcom, Libre)Risque élevé

Points faibles

  • BLE communication historically unencrypted on some models
  • Cloud-shared data with caregivers
  • Companion app permissions
  • Smartphone OS vulnerabilities affect data integrity

Comment les attaques se produisent

  • BLE eavesdropping intercepts glucose readings
  • Compromised companion app sends false alarms
  • Caregiver portal account takeover exposes patient data
  • Disruption attack on insulin pump pairing (life-safety risk)

Ce qui vous protège

  • Update CGM firmware via official app immediately
  • Strong password + 2FA on Dexcom/Libre account
  • Restrict caregiver sharing to verified contacts
  • Use a dedicated phone if possible

Bonnes habitudes

  • Backup CGM data export monthly
  • Be aware Diabetes Canada / Health Canada device advisories
  • Disable Bluetooth when CGM is removed
  • For pumps, follow vendor cybersecurity guidance strictly
CPAP / Smart medical wearablesRisque moyen

Points faibles

  • Cloud-uploaded sleep / breathing data
  • Insurance compliance reporting reveals usage patterns
  • Mobile app account often weak password reset flow
  • Device firmware rarely updated by patients

Comment les attaques se produisent

  • Insurance denies coverage based on usage data
  • Vendor cloud breach exposes detailed sleep patterns
  • Health employer wellness program access

Ce qui vous protège

  • Strong password + 2FA
  • Understand insurance data-sharing requirements before consenting
  • Update firmware when prompted
  • Review what data is shared with employer/insurer wellness programs

Bonnes habitudes

  • Request data export and audit access logs annually
  • Use device offline if cloud features aren't medically required
  • Document any unusual device behavior

Applications santé

Period / fertility trackers (Flo, Clue, Natural Cycles)Risque élevé

Points faibles

  • Reproductive health data is legally sensitive (cross-border concerns)
  • Free apps monetize data via ads/analytics
  • Account-less / pseudonymous modes may still leak via SDK telemetry
  • Data sales to brokers

Comment les attaques se produisent

  • Reproductive health data subpoenaed in legal proceedings (cross-border US travel risk)
  • Data broker resale reveals pregnancy to advertisers
  • Compromised account exposes intimate health timeline

Ce qui vous protège

  • Choose privacy-first apps (Euki, Drip — local-only, no cloud)
  • Use anonymous mode if available
  • Avoid logging in with social accounts (Facebook/Google)
  • Review data-sharing settings strictly

Bonnes habitudes

  • Read privacy policy and data location specifically
  • Avoid US-hosted apps if cross-border privacy is a concern
  • Periodically delete historical data
  • Consider paper tracking for highest sensitivity

Télésanté

Telehealth platforms (Maple, Telus Health, Dialogue)Risque moyen

Points faibles

  • Video session quality varies in encryption
  • Health record stored in vendor cloud
  • Provincial privacy law applies (PHIPA in Ontario, etc.)
  • Account credentials reused from breaches
  • Family-shared accounts blur record ownership

Comment les attaques se produisent

  • Account takeover exposes full medical history
  • Insecure home Wi-Fi exposes telehealth video
  • Vendor breach exposes diagnoses (e.g., 23andMe-style)
  • Phishing posing as Telus Health appointment reminder

Ce qui vous protège

  • Strong unique password + 2FA
  • Use VPN on public Wi-Fi for any telehealth session
  • Verify telehealth URLs carefully — never click email links
  • Use private room and headphones for confidentiality

Bonnes habitudes

  • Confirm vendor stores data in Canada (PIPEDA / provincial residency)
  • Request data export rights before signing up
  • Separate accounts per family member (no sharing)
  • Review account activity logs
TransportVoitures connectées, bornes EV, apps mobilité

Voitures connectées

Connected vehicle (Tesla, Ford, GM, BMW)Risque élevé

Points faibles

  • Telematics collect location, driving behavior, in-cabin audio
  • Companion app account compromise enables remote unlock/start
  • CAN bus attacks via OBD-II port
  • Wireless key fob relay attacks
  • Insurance/manufacturer data sharing without clear consent
  • End-of-life vehicles still report to vendor

Comment les attaques se produisent

  • Tesla account takeover unlocks and drives away vehicle (multiple documented incidents)
  • Key fob relay attack enables theft from driveway
  • Insurance company purchases driving data and raises premiums
  • Used car still linked to previous owner's account leaks personal data

Ce qui vous protège

  • Strong password + 2FA on manufacturer account (Tesla, FordPass, etc.)
  • Use Faraday pouch for key fobs at home
  • Disable PIN-to-Drive bypass features
  • Wipe vehicle infotainment + remove account linkage when selling
  • Review and decline telematics data sharing where allowed

Bonnes habitudes

  • Cover OBD-II port with locking cap
  • Be aware of insurance data programs (Drivewise, Snapshot) before opting in
  • Update vehicle software promptly
  • Use guest mode for valets and rentals
In-car infotainment & Wi-Fi hotspotRisque moyen

Points faibles

  • Connected phone exposes contacts, messages, call history (stored in unit)
  • Public Wi-Fi hotspot exposes occupants
  • Apps installed in infotainment lack security review
  • Bluetooth pairing remembered indefinitely

Comment les attaques se produisent

  • Used/rental car still has previous user's phone data accessible
  • Compromised infotainment app pivots to vehicle CAN bus
  • Public hotspot user MITM'd on long road trips

Ce qui vous protège

  • Always factory-reset infotainment when selling/returning
  • Decline contacts/messages sync if not needed
  • Use VPN on in-car hotspot
  • Remove Bluetooth pairings after use

Bonnes habitudes

  • Don't pair work phone with rental cars
  • Disable hotspot when not in use
  • Audit installed apps periodically
  • Use guest profile if available

Recharge EV

Public EV chargers (Electrify Canada, FLO, ChargePoint, Tesla Supercharger)Risque moyen

Points faibles

  • RFID card data captured by skimmers
  • Charger app account stores payment method
  • Compromised charger could (in theory) push malicious firmware to vehicle
  • Plug-and-Charge (ISO 15118) certificate management complexity
  • Location tracking via charging history

Comment les attaques se produisent

  • Skimmer on RFID reader captures card credentials
  • App account takeover drains stored payment method
  • Driving pattern inference from charging history sold to advertisers

Ce qui vous protège

  • Use app-based charging over RFID where possible
  • Strong password + 2FA on charging account
  • Inspect chargers for tampering
  • Review charging history privacy settings

Bonnes habitudes

  • Limit stored payment to a low-limit credit card
  • Decline marketing opt-ins
  • Avoid public chargers for sensitive trips (clinics, etc.)
  • Update vehicle and charger app firmware
Home EV charger (Wallbox, ChargePoint Home, Tesla Wall Connector)Risque moyen

Points faibles

  • Default credentials on web interface
  • Wi-Fi connectivity to vendor cloud
  • Firmware rarely updated by homeowner
  • Outdoor unit physically accessible

Comment les attaques se produisent

  • Default-credential exploit takes over charger
  • Compromised charger enrolled in botnet
  • Neighbor exploits weak Wi-Fi to use your charger
  • Vendor cloud breach exposes home charging schedule

Ce qui vous protège

  • Change default credentials immediately
  • Place charger on isolated IoT VLAN
  • Enable auto-updates
  • Strong WPA3 on charging Wi-Fi network
  • Lock physical access where possible

Bonnes habitudes

  • Review installer's default settings before they leave
  • Subscribe to vendor security advisories
  • Audit allowed user list quarterly
  • Disable cloud features if you don't use them

Apps de mobilité

Ride-share apps (Uber, Lyft)Risque moyen

Points faibles

  • Stored payment method in account
  • Trip history reveals home/work address
  • Account takeover enables fraudulent rides
  • Driver-side app collects passenger data
  • Phone number visible to drivers (some regions)

Comment les attaques se produisent

  • Account takeover books rides to attacker's destination charged to victim
  • Trip history leaked from breach reveals patterns
  • Stalker driver uses pickup location to locate victim later

Ce qui vous protège

  • Strong password + 2FA
  • Use anonymized phone number features (Uber masks both directions)
  • Set pickup/drop-off slightly off your exact address for sensitive trips
  • Review trip history privacy settings

Bonnes habitudes

  • Limit stored payment methods
  • Use one-time payment cards for rides
  • Review and remove old payment methods
  • Report and block any uncomfortable driver interactions
E-scooter / bike-share apps (Lime, Bird, Bixi, Communauto)Risque faible

Points faibles

  • Account compromise rides at victim's expense
  • Location tracking of all rides
  • Identity verification documents stored in vendor cloud
  • Wallet/credit charges if vehicle 'damaged' fraudulently

Comment les attaques se produisent

  • Account takeover unlocks scooters and racks up rides
  • ID document leak from vendor breach (multiple e-scooter vendors breached historically)
  • Fraudulent damage charge after legitimate use

Ce qui vous protège

  • Strong password + 2FA
  • Photograph scooter/bike condition before and after each ride
  • Monitor for unauthorized charges
  • Limit stored payment to low-limit card

Bonnes habitudes

  • Verify vendor data residency
  • Delete account after extended non-use
  • Check ride history for anomalies
  • Use Communauto / Bixi (Canadian) where data residency matters
Cloud & StockageDrives cloud, stockage auto-hébergé, sauvegarde

Cloud grand public

iCloudRisque moyen

Points faibles

  • By default not E2EE for many data types — Apple holds keys
  • Family Sharing exposes purchase history and location
  • Account compromise = full Apple ecosystem breach
  • Recovery via SMS or email
  • Photo Stream may sync sensitive content

Comment les attaques se produisent

  • iCloud account compromise via password reuse leaks photos, contacts, location
  • Celebrity photo leaks (2014 Fappening) via credential stuffing + recovery flow
  • Family member accidentally exposed to private content via shared library

Ce qui vous protège

  • Enable Advanced Data Protection (iOS 16.2+) for E2EE on most data
  • Strong unique password + hardware key 2FA
  • Set up trusted recovery contact (not via email/SMS)
  • Audit Family Sharing permissions

Bonnes habitudes

  • Review devices signed into iCloud quarterly
  • Enable Stolen Device Protection (iOS 17.3+)
  • Disable Photo Stream for sensitive folders
  • Use Hide My Email for new sign-ups
Google Drive / OneDrive / DropboxRisque moyen

Points faibles

  • Vendor holds encryption keys (server-side encryption)
  • Shared link permissions overly permissive (anyone-with-link)
  • Third-party OAuth apps have persistent access
  • Sync clients store credentials locally
  • Old shared files retain access for departed colleagues/partners

Comment les attaques se produisent

  • Public 'anyone-with-link' file indexed by search engines
  • OAuth-connected app exfiltrates entire drive
  • Departed employee retains access via shared folder
  • Sync client compromise on endpoint exposes all files

Ce qui vous protège

  • Strong password + 2FA (hardware key for primary account)
  • Use 'specific people' sharing — never anyone-with-link for sensitive files
  • Quarterly review of OAuth-connected apps and shared folders
  • Encrypt sensitive files locally before upload (Cryptomator, age)

Bonnes habitudes

  • Use a vault tool (Cryptomator) for client-side encryption
  • Set link expiration where supported
  • Enable file activity audit logs
  • Audit external shares quarterly

Stockage auto-hébergé

NextcloudRisque moyen

Points faibles

  • Default install lacks hardening (HTTPS, fail2ban, headers)
  • Apps from third-party store unvetted
  • Outdated PHP / web server
  • Public sharing links default to long-lived
  • Server compromise exposes all data

Comment les attaques se produisent

  • Brute-force on exposed login (no fail2ban)
  • Compromised app from store steals data
  • Outdated PHP CVE exploited via web
  • Server takeover via misconfigured file permissions

Ce qui vous protège

  • Use HTTPS with strong TLS config (Let's Encrypt)
  • Enable 2FA for all users
  • Install fail2ban + reverse proxy with rate limiting
  • Audit installed apps; remove unused

Bonnes habitudes

  • Apply security advisories within 24h
  • Enable server-side encryption
  • Regular off-site encrypted backups
  • Document recovery procedures
Synology / QNAP NAS as cloudRisque élevé

Points faibles

  • DSM/QTS exposed to internet historically heavily targeted by ransomware
  • Default admin account enabled
  • DDNS reveals IP location
  • Quick Connect routes traffic through vendor cloud

Comment les attaques se produisent

  • DeadBolt, Qlocker ransomware encrypted thousands of NAS units
  • Brute-force on internet-exposed admin
  • Vendor cloud breach exposes data behind Quick Connect

Ce qui vous protège

  • Disable admin account; use named admin with strong password
  • Enable 2FA
  • Never expose DSM/QTS port directly to internet — use VPN (Tailscale, WireGuard)
  • Enable auto-update and apply security advisories same-day

Bonnes habitudes

  • Immutable / snapshot backups for ransomware recovery
  • Disable Quick Connect if you don't need it
  • IP block-listing after failed login
  • Test restore from backup quarterly

Services de sauvegarde

Backblaze / Arq / DuplicatiRisque faible

Points faibles

  • Encryption key recovery model varies (some vendors hold keys)
  • Backup endpoint compromise affects all data
  • Cost surprises if storage class misconfigured
  • Restore time can be slow

Comment les attaques se produisent

  • Vendor account compromise initiates malicious restore
  • Ransomware deletes both source and backup if backup is online + writable from source
  • Encryption-key loss = unrecoverable data

Ce qui vous protège

  • Use private encryption key (Backblaze B2, Arq with passphrase)
  • Backup to immutable / object-lock storage
  • Strong password + 2FA on backup account
  • Test restores quarterly

Bonnes habitudes

  • Follow 3-2-1 rule: 3 copies, 2 media, 1 off-site
  • Document encryption key recovery in safe location
  • Monitor backup completion alerts
  • Periodic restore drills
IA & ProductivitéChatbots IA, extensions, prise de notes, suites bureautiques

Chatbots & assistants IA

ChatGPT (OpenAI)Risque élevé

Points faibles

  • Conversations used for training by default (consumer plans)
  • Memory feature persists data across sessions
  • Plugins / GPTs grant broad data access
  • Account compromise exposes conversation history
  • Sensitive data (PII, code, secrets) routinely pasted in prompts
  • Custom GPTs may exfiltrate user input

Comment les attaques se produisent

  • Employee pastes proprietary source code → data leaves organization
  • Compromised account reveals strategic conversations
  • Malicious custom GPT exfiltrates user-supplied data via tool calls
  • Memory feature retains sensitive personal data indefinitely

Ce qui vous protège

  • Disable training on your data (Settings → Data Controls)
  • Use ChatGPT Team/Enterprise for work — never consumer for company data
  • Disable Memory for sensitive accounts
  • Strong password + 2FA
  • Treat every prompt as if it could become public

Bonnes habitudes

  • Establish a personal data-classification rule before pasting
  • Use API access (no training by default) for sensitive workflows
  • Quarterly audit of installed GPTs and connected apps
  • Avoid plug-ins that demand broad scopes
Claude (Anthropic)Risque moyen

Points faibles

  • File uploads stored on Anthropic infrastructure
  • Projects feature persists context
  • API key exposure via desktop apps
  • Account credential reuse

Comment les attaques se produisent

  • Sensitive document uploaded to Claude leaks via account compromise
  • API key leaked in shared screenshot or git commit
  • Data residency concerns for non-US users

Ce qui vous protège

  • Strong password + 2FA
  • Anthropic does not train on consumer chat by default — verify settings
  • Use API for programmatic access; rotate keys regularly
  • Be aware data is processed in the US

Bonnes habitudes

  • Delete sensitive conversations after use
  • Use Workspaces for organization-level controls
  • Avoid uploading regulated data (PHIPA, PIPEDA-sensitive) without proper agreements
Microsoft Copilot (M365)Risque moyen

Points faibles

  • Inherits permissions of user — over-permissioned users now over-permissioned with AI
  • Surfaces sensitive data from forgotten SharePoint sites
  • Prompt injection via document content
  • Audit logs may not capture all interactions

Comment les attaques se produisent

  • Copilot surfaces HR / salary data the user technically had access to but never opened
  • Indirect prompt injection in malicious document hijacks Copilot output
  • Departing employee uses Copilot to mass-summarize sensitive data

Ce qui vous protège

  • Audit and tighten SharePoint/OneDrive permissions BEFORE rollout (Microsoft Purview)
  • Enable sensitivity labels and DLP policies
  • Restrict Copilot rollout by group during initial deployment
  • Train users on prompt injection awareness

Bonnes habitudes

  • Enable Microsoft Purview audit logs for Copilot
  • Establish DLP policies for AI interactions
  • Quarterly access reviews on shared sites
  • Have a Copilot acceptable use policy

Extensions navigateur

General browser extensions (Chrome/Firefox/Edge)Risque élevé

Points faibles

  • Extensions with broad permissions (read/change all data on all sites)
  • Sold/abandoned extensions push malicious updates
  • Sideloaded extensions bypass store review
  • Extension manifest v2 → v3 transition leaves abandoned tools
  • Companion server reads aggregated user data

Comment les attaques se produisent

  • Popular extension sold to malicious actor pushes update with credential stealer (multiple documented cases — The Great Suspender)
  • Extension exfiltrates browsing history to ad broker
  • Malicious extension reads password manager autofill data
  • Extension reads internal corporate dashboards

Ce qui vous protège

  • Audit installed extensions; remove anything unused
  • Review permissions before install — broad permissions are red flag
  • Pin extensions and review updates
  • Use a separate browser profile for sensitive work
  • Prefer extensions from reputable publishers with active maintenance

Bonnes habitudes

  • Quarterly extension audit
  • Disable extension auto-update for high-trust extensions and review updates manually
  • Use enterprise policy to allow-list extensions in work browsers
  • Avoid 'convenience' extensions (PDF, screenshot, coupon) that demand broad access

Apps de notes & savoir

Notion / Obsidian / EvernoteRisque moyen

Points faibles

  • Notion/Evernote: vendor holds keys; cloud sync exposes all notes if account compromised
  • Obsidian Sync end-to-end encrypted but third-party sync (Dropbox) is not
  • Public sharing links indexed by search engines
  • API keys, passwords, secrets often pasted into notes
  • Workspace member access creep

Comment les attaques se produisent

  • Compromised Notion account exposes years of personal/professional knowledge base
  • Obsidian vault synced via Dropbox without encryption is exposed in Dropbox breach
  • Public Notion page indexed by Google reveals internal docs
  • Departing employee retains workspace access

Ce qui vous protège

  • Strong password + 2FA on note app account
  • For Obsidian: use Obsidian Sync (E2EE) or wrap third-party sync in Cryptomator
  • Audit shared/public pages periodically
  • Never paste passwords or API keys into notes — use a password manager
  • Quarterly workspace member review

Bonnes habitudes

  • Use a separate vault for sensitive notes
  • Enable account activity logs
  • Document workspace ownership transition procedures
  • Consider local-first apps (Obsidian, Logseq) for highest privacy

Suites bureautiques

Microsoft 365 / Google WorkspaceRisque moyen

Points faibles

  • Document sharing scopes overly permissive
  • Macros/scripts in Office documents
  • OAuth third-party apps with broad scopes
  • Conditional access misconfigured
  • Forgotten anonymous links remain valid

Comment les attaques se produisent

  • Malicious Excel macro installs malware (still common attack vector)
  • Anyone-with-link document indexed by search engine
  • OAuth phishing grants attacker persistent mailbox access
  • Departed contractor retains access via shared drive

Ce qui vous protège

  • Disable macros from internet sources (Office default since 2022 but verify)
  • Use 'specific people' sharing — disable anyone-with-link for sensitive content
  • Quarterly OAuth-app audit (admin console)
  • Conditional access: device compliance + MFA

Bonnes habitudes

  • Enable activity audit logs
  • Use sensitivity labels and DLP
  • Periodic external-share review
  • Train users on phishing recognition
Navigation & Vie privéeNavigateurs, VPN, DNS, outils de vie privée

Navigateurs

Chrome / EdgeRisque moyen

Points faibles

  • Heavy telemetry to Google/Microsoft
  • Sign-in syncs history, passwords, autofill across all devices
  • Extension supply-chain risk
  • Third-party cookies still partially supported
  • Frequent zero-days (V8 engine targeted)

Comment les attaques se produisent

  • Compromised Google/MS account exposes browsing history and saved passwords
  • Malicious extension reads all site data
  • Zero-day in V8 used in drive-by attack
  • Cross-device sync leaks work data to personal device

Ce qui vous protège

  • Update browser within 24h of releases (zero-days are common)
  • Use separate browser profiles for work / personal / banking
  • Disable third-party cookies
  • Audit extensions monthly
  • Strong password + hardware key on Google/MS account

Bonnes habitudes

  • Disable telemetry where possible (chrome://settings/privacy)
  • Avoid signing into the browser if you don't need sync
  • Use Enhanced Safe Browsing
  • Review sync data scope carefully
FirefoxRisque faible

Points faibles

  • Default config still sends some telemetry
  • Third-party extensions can still be malicious
  • Sync requires Mozilla account
  • Older versions on EOL Linux distros

Comment les attaques se produisent

  • Compromised Mozilla account exposes synced data
  • Malicious extension via AMO (rare but happened)
  • Outdated Firefox vulnerable to known CVEs

Ce qui vous protège

  • Enable Strict tracking protection
  • Use Firefox Containers to isolate sites (Facebook, Google, banking)
  • Disable telemetry in privacy.* about:config
  • Strong password + 2FA on Mozilla account

Bonnes habitudes

  • Use ESR for stability on managed devices
  • Enable HTTPS-Only mode
  • Review extension permissions
  • Subscribe to Mozilla security advisories
BraveRisque faible

Points faibles

  • Built-in crypto wallet broad attack surface
  • Brave Rewards / BAT introduces tracking trade-offs
  • Tor mode is convenience-only, not full Tor
  • Chromium upstream zero-days

Comment les attaques se produisent

  • Brave wallet phishing drains crypto
  • Chromium zero-day affects Brave too
  • Misuse of Tor mode believing it offers full anonymity

Ce qui vous protège

  • Disable Brave Wallet if you don't use it
  • Disable Brave Rewards for maximum privacy
  • Use real Tor Browser for actual anonymity needs
  • Update promptly when Chromium patches release

Bonnes habitudes

  • Enable Shields aggressive mode
  • Use separate profiles for sensitive activity
  • Don't treat Tor mode as Tor Browser
Tor BrowserRisque faible

Points faibles

  • Exit-node operators can see unencrypted traffic
  • JS enabled by default on Standard mode introduces fingerprinting
  • Slow speed encourages users to drop back to Chrome for 'quick' lookups (mixing identities)
  • Visiting Tor itself is suspicious in some jurisdictions

Comment les attaques se produisent

  • Malicious exit node injects content into HTTP
  • De-anonymization via JS-based fingerprinting
  • User browses logged-in account on Tor → links Tor identity to real identity

Ce qui vous protège

  • Use Safest security level for anonymity-critical browsing
  • Never log into real-name accounts on Tor
  • Use HTTPS sites only
  • Use bridges if Tor itself is blocked/suspicious

Bonnes habitudes

  • Combine with VPN for ISP-visibility concerns (VPN-over-Tor or Tor-over-VPN, understand trade-offs)
  • Don't resize browser window (fingerprinting)
  • Use Tails OS for highest-stakes work

Clients VPN

Commercial VPN (Mullvad, ProtonVPN, IVPN, NordVPN)Risque faible

Points faibles

  • Provider can see all traffic — choose carefully
  • Free VPNs monetize user data
  • DNS leaks bypass tunnel
  • WebRTC leaks real IP
  • Account-based VPNs link identity to traffic

Comment les attaques se produisent

  • Free VPN sells browsing data to brokers
  • DNS leak reveals queries despite VPN
  • Compromised VPN provider hands logs to law enforcement
  • Phishing site mimics VPN client install

Ce qui vous protège

  • Choose audited no-log providers (Mullvad, IVPN — anonymous accounts; Proton — Swiss)
  • Enable kill switch and DNS leak protection
  • Block WebRTC in browser settings
  • Avoid free VPNs entirely

Bonnes habitudes

  • Pay anonymously where possible (Mullvad accepts cash)
  • Verify provider has been audited and stood up to subpoenas
  • Use VPN at router level for whole-home coverage
  • Test for leaks (ipleak.net) regularly
Self-hosted VPN (WireGuard, Tailscale, Headscale)Risque faible

Points faibles

  • Server compromise exposes all peers
  • Misconfigured WireGuard peers route traffic incorrectly
  • Tailscale uses Microsoft/Google/Apple OAuth as identity
  • Coordination server (Tailscale) sees metadata

Comment les attaques se produisent

  • Compromised home server pivots to all VPN peers
  • Tailscale OAuth account compromise gives mesh access
  • WireGuard config file leaked allows attacker to join network

Ce qui vous protège

  • Strong server hardening (fail2ban, automatic security updates)
  • Use Headscale for sovereignty over coordination
  • Strong password + hardware key on identity provider
  • ACLs in Tailscale to limit lateral movement

Bonnes habitudes

  • Audit connected nodes monthly
  • Rotate WireGuard keys when devices are decommissioned
  • Use ephemeral keys for guests
  • Subscribe to upstream security advisories

Résolveurs DNS

NextDNS / Cloudflare 1.1.1.1 / Quad9Risque faible

Points faibles

  • Resolver sees all DNS queries (browsing intent)
  • Default ISP DNS even worse — sells data
  • Provider jurisdiction matters
  • Encrypted DNS (DoH/DoT) not always enforced

Comment les attaques se produisent

  • ISP DNS used as advertising data source
  • Resolver compromise enables mass redirection
  • Plaintext DNS queries leak browsing despite VPN

Ce qui vous protège

  • Use NextDNS with custom profile for blocking + privacy
  • Enable DoH/DoT system-wide (router or device level)
  • Choose Quad9 (Swiss, no logs) for privacy or Cloudflare for speed
  • Avoid ISP defaults

Bonnes habitudes

  • Configure DNS at router level for whole-home
  • Test with dnsleaktest.com
  • Use NextDNS for malware/ad/tracker blocking + family filtering
  • Review NextDNS query logs (or disable logging)

Extensions vie privée

uBlock Origin / Privacy BadgerRisque faible

Points faibles

  • Manifest v3 transition (Chrome) hampers uBlock Origin filtering
  • Misconfigured filter lists can break sites
  • Some content publishers detect blockers and lock content

Comment les attaques se produisent

  • Manifest v3 reduces extension capability — users get worse blocking on Chrome
  • Malicious lookalike (uBlock vs uBlock Origin) installs adware

Ce qui vous protège

  • Use uBlock Origin (by gorhill — verify publisher) — NOT 'uBlock'
  • On Chrome, monitor v3 transition; consider Firefox for full blocking
  • Keep filter lists updated

Bonnes habitudes

  • Combine with NextDNS for redundant blocking
  • Avoid duplicating blockers (causes site breakage)
  • Whitelist sites you trust and want to support
Enfants & ÉducationTablettes enfants, EdTech, contrôles parentaux, appareils scolaires

Appareils enfants

Kids tablets (Amazon Fire Kids, iPad with Family Sharing)Risque moyen

Points faibles

  • Pre-installed apps with broad data collection
  • COPPA / Bill C-27 (Canada) compliance varies by app
  • In-app purchase exposure
  • Social features expose minors to strangers
  • Camera/mic always available

Comment les attaques se produisent

  • Child accidentally racks up in-app purchases
  • Predator contacts child via in-game chat
  • App over-collects data on minor (multiple FTC settlements)
  • Compromised parental account enables purchases

Ce qui vous protège

  • Use Amazon FreeTime / Apple Screen Time strict mode
  • Disable in-app purchases or require parent approval
  • Disable social/chat features in apps
  • Strong password + 2FA on parent account

Bonnes habitudes

  • Allow-list approved apps only
  • Daily/weekly screen time limits
  • Cover camera when not in use
  • Review activity reports weekly

Plateformes EdTech

School platforms (Google Classroom, Microsoft Teams for EDU, Seesaw)Risque moyen

Points faibles

  • School-managed account often weak password reset
  • Account credentials persist after graduation
  • Activity/grade data sold or shared with third parties (varies by district)
  • Phishing via official school domains

Comment les attaques se produisent

  • School account compromise reveals all assignments and communications
  • Phishing of parent via spoofed school email
  • Outdated student account abused after graduation
  • Data broker scrapes 'public' student work

Ce qui vous protège

  • Enforce strong password + 2FA where school allows
  • Verify school district's privacy policy and data residency (Canadian provinces vary)
  • Decommission accounts after graduation
  • Use a dedicated email for school communication

Bonnes habitudes

  • Train children on phishing recognition
  • Review what apps the school requires
  • Advocate for FERPA/PIPEDA-compliant tools
  • Audit account activity periodically

Contrôles parentaux

Parental control software (Qustodio, Bark, Apple Screen Time, Family Link)Risque moyen

Points faibles

  • Software has deep device access — vendor breach exposes child's activity
  • False sense of security (kids find workarounds)
  • VPN bypass on tablets
  • Adversarial co-parent abuse of monitoring tools

Comment les attaques se produisent

  • Vendor breach exposes detailed child surveillance data
  • Child uses second device to bypass controls
  • Co-parent uses parental control to monitor ex-partner
  • Software updates introduce new tracking

Ce qui vous protège

  • Use platform-native controls (Apple Screen Time, Family Link) over third-party where possible
  • Strong password + 2FA on parent control account
  • Discuss monitoring openly with children (age-appropriate)
  • Audit data the vendor collects

Bonnes habitudes

  • Adapt controls to child's age — over-monitoring backfires
  • Pair with conversations about online safety
  • Read vendor's data retention policy
  • Migrate to lighter controls as kids mature
TélétravailVPN entreprise, MDM, collaboration, webcams

VPN entreprise

SSL VPN appliances (Fortinet, Pulse, Cisco AnyConnect)Risque élevé

Points faibles

  • Heavily targeted by ransomware groups (Fortinet/Pulse/Citrix CVEs)
  • Slow patch cycles on appliances
  • Credential stuffing on internet-exposed portals
  • Split tunneling exposes corporate traffic

Comment les attaques se produisent

  • Pre-auth RCE in Fortinet/Pulse used by ransomware actors as initial access (well-documented 2021-2024)
  • Credential-stuffing attack on VPN portal
  • Compromised VPN account pivots to internal network

Ce qui vous protège

  • Patch VPN appliances within 24h of advisories
  • Enforce phishing-resistant MFA (FIDO2)
  • Move to Zero Trust Network Access (ZTNA) — Cloudflare Access, Tailscale, Twingate
  • Disable split tunneling for sensitive segments

Bonnes habitudes

  • Monitor VPN login anomalies (impossible travel)
  • Subscribe to vendor PSIRT advisories
  • Decommission legacy VPN access for departed users immediately
  • Plan migration off legacy SSL VPN entirely
ZTNA (Tailscale, Cloudflare Access, Twingate)Risque faible

Points faibles

  • Identity provider compromise = mesh compromise
  • Coordination server sees connection metadata
  • Misconfigured ACLs allow lateral movement
  • Personal devices with corporate ACL

Comment les attaques se produisent

  • Okta/Entra compromise grants attacker access to entire ZTNA mesh
  • Misconfigured ACL exposes prod database to all employees
  • Personal device on mesh becomes pivot point if compromised

Ce qui vous protège

  • Hardware-key MFA on identity provider
  • Strict ACLs by group/role
  • Device posture checks (encryption, OS version) before allowing connection
  • Separate work and personal nodes

Bonnes habitudes

  • Quarterly ACL review
  • Enable session logging
  • Use ephemeral nodes for guests/contractors
  • Test least-privilege regularly

Appareils gérés MDM

Corporate-managed laptops/phones (Intune, Jamf, Kandji, Workspace ONE)Risque moyen

Points faibles

  • MDM admin compromise = mass device compromise
  • Personal use of corporate device blurs data ownership
  • BYOD enrollment may give employer access to personal data
  • Lost device + weak passcode

Comment les attaques se produisent

  • Compromised MDM admin pushes malicious payload to all enrolled devices
  • Personal data on BYOD wiped during termination
  • Stolen unencrypted laptop exposes corporate data

Ce qui vous protège

  • Strong MDM admin RBAC + hardware key MFA
  • Enforce full-disk encryption + strong passcode policy
  • Separate work profile on personal devices (Android Work Profile, iOS User Enrollment)
  • Document acceptable personal use clearly

Bonnes habitudes

  • Regular MDM admin access reviews
  • Test wipe procedures
  • Enforce automatic OS updates
  • Educate employees on what employer can see on BYOD

Suites collaboratives

Slack / Teams / Discord (corporate)Risque moyen

Points faibles

  • Sensitive content in DMs persists indefinitely
  • Public channels indexed if workspace is exported
  • Apps/integrations have broad scopes
  • Guest accounts retain access after engagements end
  • Discord especially weak for corporate use

Comment les attaques se produisent

  • Slack workspace breach exposes years of internal discussions (multiple high-profile leaks)
  • Departed contractor retains channel access
  • Compromised integration exfiltrates messages
  • Phishing via DM from compromised colleague

Ce qui vous protège

  • Enable SSO + MFA for workspace
  • Set message retention policies
  • Audit and remove unused integrations quarterly
  • Decommission guest/contractor accounts immediately on engagement end
  • Use Discord only for community — never corporate IP

Bonnes habitudes

  • DLP scanning for sensitive data in messages
  • Review channel public/private settings
  • Ban credentials/secrets in messages — use password manager sharing
  • Train users on what belongs in chat vs ticketing/docs

Webcams & micros

External webcams & USB micsRisque moyen

Points faibles

  • No physical privacy shutter on many models
  • Always-on standby with mic enabled
  • Cheap brands ship with vulnerable firmware
  • USB-attack surface (BadUSB)

Comment les attaques se produisent

  • Compromised laptop activates webcam without indicator (rare but documented)
  • Cheap webcam with backdoored firmware exfiltrates video
  • BadUSB-style mic poses as keyboard

Ce qui vous protège

  • Use webcam with physical shutter (or apply tape/sliding cover)
  • Disconnect mic when not in use
  • Buy from reputable brands with firmware update support
  • Watch for indicator LED activity

Bonnes habitudes

  • Use OS-level camera/mic permissions (macOS, Windows 11)
  • Audit which apps have camera/mic access monthly
  • Mute mic in collaboration apps by default
  • Replace EOL devices
VoyageWi-Fi hôtel, eSIM, hygiène frontières, routeurs voyage

Wi-Fi hôtel & public

Hotel Wi-Fi & captive portalsRisque élevé

Points faibles

  • Captive portal can MITM TLS via fake CA prompt
  • Other guests on same VLAN sniff traffic
  • Hotel staff IT often unmonitored
  • Compromised hotel network is common (DarkHotel campaign targeted execs)

Comment les attaques se produisent

  • DarkHotel-style targeted attack on traveling exec via hotel Wi-Fi
  • Captive portal pushes fake software update
  • Same-VLAN guest scans your laptop for open shares

Ce qui vous protège

  • Always use VPN before any other traffic on hotel Wi-Fi
  • Disable file/printer sharing while traveling
  • Refuse any prompt to install hotel CA certificate
  • Use cellular data for sensitive work

Bonnes habitudes

  • Use a travel router with built-in VPN
  • Enable firewall on laptop (set network as 'Public')
  • Forget hotel Wi-Fi when checking out
  • Avoid logging into banking/email on hotel networks

eSIM & apps SIM voyage

eSIM apps (Airalo, Holafly, Nomad)Risque faible

Points faibles

  • Account stores travel patterns (where/when)
  • Payment method stored
  • ICCID stored against your identity
  • KYC documents required by some carriers
  • Second eSIM line bypasses primary security

Comment les attaques se produisent

  • Account breach reveals travel itinerary
  • Stolen ICCID enables minor service fraud
  • KYC documents leaked from breach

Ce qui vous protège

  • Strong password + 2FA on eSIM app
  • Delete eSIM profiles after trip
  • Use prepaid card for purchases
  • Decline marketing data sharing

Bonnes habitudes

  • Choose providers with clear data policies
  • Avoid linking eSIM apps to social logins
  • Review installed eSIM profiles periodically
  • Consider local prepaid SIM for highest privacy

Hygiène aux frontières

Device search at border (CBSA, US CBP)Risque élevé

Points faibles

  • Border officers can demand device unlock (CBSA: limited grounds; US CBP: broader powers)
  • Cloud accounts accessible from device may be searched
  • Disk encryption doesn't help if device is unlocked
  • Refusal can mean device seizure or denied entry

Comment les attaques se produisent

  • CBP forensic copy of unlocked device retained for years
  • Cloud documents accessed via signed-in apps
  • Sensitive client data (legal, journalism, medical) seized
  • Encrypted disk powered down and unmodified is your best protection

Ce qui vous protège

  • Travel with a clean 'travel laptop/phone' that contains minimal data
  • Sign out of all cloud services before crossing
  • Power down devices fully before approaching border (cold-boot resists most attacks)
  • Know your rights (CBSA grounds vs CBP discretion)

Bonnes habitudes

  • Carry data via encrypted cloud, download after crossing
  • Use a separate eSIM/phone profile for travel
  • Document any device search incident
  • Consult lawyer if you carry privileged data (legal/medical)
ePassport & biometric border controlRisque moyen

Points faibles

  • RFID chip in ePassport readable at short range
  • Biometric (face/fingerprint) data in government databases
  • Biometric data is irrevocable
  • Cross-border biometric sharing agreements

Comment les attaques se produisent

  • RFID skimming of ePassport (limited data but possible)
  • Border agency database breach exposes biometrics permanently (OPM precedent)
  • Biometric used beyond declared purpose

Ce qui vous protège

  • Use RFID-blocking passport sleeve
  • Understand biometric collection rights at each border
  • Know what data is on your ePassport (ICAO 9303)

Bonnes habitudes

  • Request RFID-blocking cover from travel retailer
  • Stay informed on CBSA/IRCC biometric policy changes
  • Decline optional biometric programs unless needed

Routeurs voyage

Travel routers (GL.iNet, Slate AX)Risque faible

Points faibles

  • Default credentials
  • Firmware updates lag
  • Misconfigured Wi-Fi repeater leaks main credentials
  • Some firmware bundles unwanted services

Comment les attaques se produisent

  • Default-credential exploit on hotel-deployed router
  • Outdated firmware exploited via known CVE
  • Wi-Fi repeater leaks original SSID/password to anyone within range

Ce qui vous protège

  • Change default credentials immediately
  • Update firmware before each trip
  • Use built-in OpenVPN/WireGuard client to tunnel all traffic
  • Disable unused services (USB sharing, etc.)

Bonnes habitudes

  • GL.iNet with custom OpenWrt firmware for trust
  • Use as your only network on hotel Wi-Fi
  • Reset to factory before disposal
  • Subscribe to OpenWrt security advisories
Homelab Pro/ProsumerHyperviseurs, conteneurs, SIEM auto-hébergé, reverse proxies

Hyperviseurs

Proxmox VERisque moyen

Points faibles

  • Web UI on port 8006 often left exposed
  • Default root login enabled
  • Missing 2FA setup
  • VM-to-host escape via misconfigured devices/PCI passthrough
  • Backup target without immutability

Comment les attaques se produisent

  • Brute-force on exposed Proxmox web UI
  • VM escape via vulnerable QEMU CVE
  • Ransomware encrypts both VMs and PBS backups

Ce qui vous protège

  • Place Proxmox UI behind reverse proxy + VPN
  • Disable root login over web; use named admin
  • Enable TOTP 2FA
  • Apply security advisories within 48h
  • Use Proxmox Backup Server with immutable retention

Bonnes habitudes

  • Network-segregate management interface (vmbr0 separate VLAN)
  • Subscribe to Proxmox security mailing list
  • Test VM restore monthly
  • Enable cluster fencing if HA
VMware ESXiRisque élevé

Points faibles

  • Heavily targeted by ransomware (ESXiArgs, Akira, Black Basta)
  • SLP service vulnerabilities
  • Web UI exposed to management network
  • Stale snapshots accumulate

Comment les attaques se produisent

  • ESXiArgs ransomware encrypted thousands of internet-exposed ESXi hosts in 2023
  • SLP CVE-2021-21974 exploited mass-scale
  • Compromised vCenter pivots to all hosts

Ce qui vous protège

  • Disable SLP
  • Never expose ESXi/vCenter to internet
  • Patch within 24h of advisories
  • Use jump host + MFA for admin access

Bonnes habitudes

  • Migrate to supported alternative (Proxmox, Nutanix) given Broadcom licensing changes
  • Immutable backups
  • Monitor host logs for anomalies
  • Decommission unused VMs and snapshots

Plateformes de conteneurs

Docker / Docker ComposeRisque moyen

Points faibles

  • Containers run as root by default
  • Bind-mounting /var/run/docker.sock = root on host
  • Pulling :latest tags = unpredictable supply chain
  • Privileged containers escape easily
  • Exposed Docker API (port 2375) is critical

Comment les attaques se produisent

  • Compromised container with docker.sock mount escapes to host
  • Malicious public image (Docker Hub typosquat) installs cryptominer
  • Exposed Docker API on internet → instant takeover

Ce qui vous protège

  • Run containers as non-root user
  • Never mount docker.sock unless absolutely necessary
  • Pin images to specific digests, not tags
  • Never expose Docker API to internet — use SSH
  • Use rootless Docker or Podman

Bonnes habitudes

  • Scan images with Trivy/Grype before deploy
  • Subscribe to image vendor security advisories
  • Use private registry for production
  • Apply seccomp/AppArmor profiles
Kubernetes / K3sRisque élevé

Points faibles

  • Misconfigured RBAC grants over-broad cluster-admin
  • kubelet exposed without authentication
  • Secrets stored unencrypted in etcd by default
  • Public container registries pulled without verification
  • Compromised pod with hostPath escape

Comment les attaques se produisent

  • Tesla cluster cryptojacked via exposed Kubernetes dashboard (2018 — still relevant pattern)
  • etcd theft exposes all cluster secrets
  • Compromised admission controller deploys malicious workloads

Ce qui vous protège

  • Enable etcd encryption at rest
  • Strict RBAC: namespace-scoped roles, no cluster-admin for humans
  • Network policies (Calico/Cilium) for pod isolation
  • Image signing (Sigstore/cosign) and admission control (Kyverno/OPA)
  • Disable anonymous kubelet access

Bonnes habitudes

  • Regular cluster security scan (kube-bench, kube-hunter)
  • CIS Kubernetes Benchmark compliance
  • Audit logs forwarded to SIEM
  • Patch within 30 days of advisories

SIEM & monitoring auto-hébergés

Wazuh / Security OnionRisque faible

Points faibles

  • Manager exposed to agent network on management ports
  • Default credentials on Kibana/dashboards
  • Index growth fills disk quickly
  • Agent compromise pivots to manager
  • Alerting fatigue masks real incidents

Comment les attaques se produisent

  • Wazuh manager compromised via exposed API
  • Disk full causes log loss during active incident
  • Default Kibana credentials grant full visibility to attacker

Ce qui vous protège

  • Change all default credentials (Kibana, indexer)
  • Place dashboards behind reverse proxy + auth
  • Enforce mTLS between agents and manager
  • Enable index lifecycle management to prevent disk fill

Bonnes habitudes

  • Tune detection rules to minimize alert fatigue
  • Forward critical alerts to email/Slack/Teams
  • Test detections quarterly
  • Document incident response playbooks

Reverse proxies & ingress

Caddy / Traefik / Nginx Proxy ManagerRisque faible

Points faibles

  • Default config may not enforce HSTS / security headers
  • Wildcard certs cover too much surface
  • Misconfigured upstream exposes admin panels
  • ACME DNS-01 token leaks from CI

Comment les attaques se produisent

  • Misconfigured proxy exposes Nextcloud admin to internet
  • Stolen wildcard cert enables MITM across all subdomains
  • ACME token in public git repo allows attacker to issue certs

Ce qui vous protège

  • Enable HSTS, CSP, X-Frame-Options by default
  • Use per-service certs (Caddy auto-handles this)
  • Restrict admin-panel ingress by IP allow-list or VPN-only
  • Rotate ACME credentials regularly

Bonnes habitudes

  • Subscribe to proxy security advisories
  • Audit exposed routes monthly
  • Use Cloudflare Tunnel or Tailscale Funnel for safer ingress
  • Test with securityheaders.com
Émergent & WearablesLunettes AR, BCI, drones, apps robotaxi

Lunettes AR

Meta Ray-Ban / Apple Vision Pro / Snap SpectaclesRisque élevé

Points faibles

  • Always-on cameras / mics in public — bystander privacy concerns
  • Indicator LEDs can be defeated or ignored
  • Captured imagery synced to vendor cloud
  • Tied to broader vendor ecosystem account
  • Facial recognition concerns (Meta Ray-Ban + AI integration)

Comment les attaques se produisent

  • Bystanders unknowingly recorded; criminal liability in two-party-consent jurisdictions (Quebec)
  • Compromised vendor cloud exposes recorded imagery
  • AI-on-glasses identifies strangers in real time (privacy concern)
  • Stolen glasses access cloud-synced library

Ce qui vous protège

  • Disable cloud auto-upload of media
  • Respect local recording laws (Quebec requires consent)
  • Use Lockdown Mode (Vision Pro) for high-risk targets
  • Strong account password + 2FA

Bonnes habitudes

  • Visibly indicate when recording
  • Decline AI features that identify people
  • Review captured media before any sharing
  • Be aware of evolving Canadian privacy law on always-on cameras

Drones

Consumer drones (DJI, Skydio, Autel)Risque moyen

Points faibles

  • Telemetry sent to vendor (DJI especially scrutinized — US ban context)
  • Captured imagery uploaded to vendor cloud
  • Geo-fencing can be bypassed
  • Live video feed unencrypted on some links
  • Drone broadcasts Remote ID (publicly readable)

Comment les attaques se produisent

  • DJI telemetry shared with foreign government concerns
  • Compromised vendor account exposes flight history and footage
  • Live video intercepted via SDR
  • Remote ID enables tracking of operator location

Ce qui vous protège

  • Disable vendor cloud sync if possible
  • Local SD card storage only
  • Strong account password + 2FA
  • Comply with Transport Canada drone regulations (RPAS)
  • Be aware of Remote ID broadcasts

Bonnes habitudes

  • Choose Skydio/Autel if DJI vendor risk is concern
  • Update firmware before flights
  • Maintain flight logs locally
  • Respect privacy of overflown areas

Interfaces cerveau-machine

Consumer BCIs (Muse, Neurable, future Neuralink)Risque moyen

Points faibles

  • Neural data is the most intimate biometric — irrevocable
  • Wireless transmission of neural signals
  • Vendor cloud stores meditation/cognitive patterns
  • Limited regulation of neural data privacy
  • Side-channel inference of intent/emotion

Comment les attaques se produisent

  • Vendor breach exposes detailed cognitive/mental-state data
  • Insurance discrimination based on inferred neural patterns
  • Coercive use in workplace/legal contexts (early-stage concern)

Ce qui vous protège

  • Use BCIs that store data locally only
  • Decline cloud sync and research opt-ins
  • Strong account password + 2FA
  • Stay informed on Canadian neural-data regulation development

Bonnes habitudes

  • Treat as highest-sensitivity health data
  • Demand transparency on data retention
  • Advocate for Bill C-27 neural data protections
  • Choose vendors with clear privacy commitments

Robotaxi & autonome

Robotaxi rider apps (Waymo, Cruise, future Tesla Robotaxi)Risque faible

Points faibles

  • Trip history reveals home/work/medical addresses
  • In-cabin cameras record passengers
  • Account stores payment method
  • Data shared with municipal authorities (incident reporting)

Comment les attaques se produisent

  • Account breach exposes detailed trip history
  • In-cabin footage subpoenaed in legal proceedings
  • Vendor data sale reveals movement patterns

Ce qui vous protège

  • Strong password + 2FA
  • Drop-off slightly off home address for sensitive trips
  • Review trip history privacy settings
  • Decline marketing data sharing

Bonnes habitudes

  • Verify in-cabin recording disclosures
  • Limit stored payment methods
  • Use one-time payment cards
  • Stay informed on regulatory developments (Canada lags US on robotaxi)
Physique & Chaîne d'appro.Appareils USB malveillants, tokens, chaîne firmware, déchets électroniques

USB & câbles malveillants

Malicious USB devices (Rubber Ducky, O.MG cable, Bash Bunny)Risque élevé

Points faibles

  • Looks like legitimate cable/drive but injects keystrokes or exfiltrates data
  • Found-USB attack remains effective (60%+ pickup rate in studies)
  • Charging cables can be malicious (O.MG cable indistinguishable)
  • Conference giveaway cables/drives are untrusted

Comment les attaques se produisent

  • Found USB in parking lot plugged in by curious employee
  • Malicious O.MG cable received as 'gift' enables remote keystroke injection over Wi-Fi
  • Conference USB swag installs cryptominer
  • Public charging port (juice jacking)

Ce qui vous protège

  • Never plug in unknown USB devices
  • Use USB data blocker for charging in public
  • Buy cables only from known brands and direct sources
  • Disable USB auto-run / autoplay
  • Use endpoint protection that blocks HID-class device anomalies

Bonnes habitudes

  • Carry your own charger and cable when traveling
  • Wall power > USB charging in public
  • Train employees on found-USB risks
  • Consider USB port-blocking policy on sensitive workstations

Tokens matériels

YubiKey / Titan / FeitianRisque faible

Points faibles

  • Counterfeit keys from unauthorized resellers
  • Lost key without backup = lockout
  • Some older firmware vulnerable to side-channel (YubiKey 5 ECDSA pre-2024)
  • Physical coercion to tap key

Comment les attaques se produisent

  • Counterfeit YubiKey from marketplace contains backdoor firmware
  • Lost sole key locks user out of every account
  • Side-channel attack on stolen key extracts ECDSA private key (2024 EUCLEAK research)

Ce qui vous protège

  • Buy direct from vendor (yubico.com, store.google.com) only
  • Always register at least 2 keys per account
  • Store backup key in fireproof safe / safety deposit box
  • Update firmware where supported

Bonnes habitudes

  • Use FIDO2 with PIN for presence + knowledge factor
  • NFC keys for mobile compatibility
  • Periodically test backup key works
  • For highest assurance, use newest hardware revisions

Chaîne d'appro. firmware

IoT firmware & supply-chain attacksRisque élevé

Points faibles

  • Firmware signed with stolen vendor keys (D-Link, Asus historic precedents)
  • OTA update channels themselves can be hijacked
  • Outsourced manufacturing introduces backdoors
  • Vendor SDK vulnerabilities propagate across hundreds of brands
  • Counterfeit chips with modified firmware

Comment les attaques se produisent

  • SolarWinds-style supply-chain attack on consumer router vendor
  • Compromised OTA pushes malicious firmware to thousands of devices
  • Counterfeit electronics with hidden backdoors (multiple US DoD findings)
  • Vendor SDK CVE affects every product using it

Ce qui vous protège

  • Buy from reputable vendors with active security lifecycle
  • Verify firmware signatures where possible
  • Keep firmware current via official channels only
  • Subscribe to vendor security advisories
  • Replace EOL devices — no patches = unfixable risk

Bonnes habitudes

  • Maintain inventory of devices and their firmware versions
  • Network-segment IoT devices
  • Plan device replacement before EOL
  • Avoid no-name brands for sensitive contexts

Déchets électr. & assainissement

Old devices, drives, smartphonesRisque moyen

Points faibles

  • Factory reset insufficient on many flash storage devices
  • SSD wear leveling leaves data recoverable
  • Phones with non-removable storage retain data after reset
  • E-waste recyclers may resell devices with data intact
  • Trade-in programs do not always wipe properly

Comment les attaques se produisent

  • Recovered drive from recycler reveals years of personal/business data
  • Resold smartphone contains accessible photos and accounts
  • Donated laptop with quick-format leaks tax records
  • Office equipment lease return retains scanned documents

Ce qui vous protège

  • For HDDs: secure erase via tool (DBAN, manufacturer utility) or physical destruction
  • For SSDs: vendor secure-erase tool, then ideally physical destruction
  • For smartphones: full factory reset → encrypt → reset again; remove SIM/SD
  • Use a certified e-waste recycler (Recycle My Electronics in Canada)

Bonnes habitudes

  • Maintain disposal log for sensitive devices
  • Physical destruction (drill, shred service) for highest sensitivity
  • Sign out of all accounts before reset
  • Remove from Find My / vendor account before disposal
  • For business: certificate of destruction from recycler