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- Outdated firmware with unpatched CVEs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