HAN-TAKInitiatives— Han-Tak home

Cyber-risk map

Know the risks, keep the habits.

Open a category to see the technologies in it, the risks they carry and what protects you.

Home NetworkRouters, gateways, mesh Wi-Fi, NAS, firewalls, segmentation tools

Routing & Gateways

Wi-Fi RouterHigh risk

Weak points

  • 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  • Outdated firmware with unpatched CVEs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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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 / GatewayMedium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • 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)Medium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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  • Outdated packages with known CVEs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

How attacks happen

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

What protects you

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

Good habits

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

Storage & Backup

Network-Attached Storage (NAS)High risk

Weak points

  • 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)

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Medium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • 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 DriveLow risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

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

Network Segmentation

Smart Ethernet Switch / PoEMedium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Network Security Tools

Pi-hole / AdGuard Home (DNS sinkhole)Low risk

Weak points

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

How attacks happen

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

What protects you

  • 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)

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • Start with detect-only mode (IDS) before IPS
  • Use Wazuh for correlated host + network telemetry
  • Document and review high-severity alerts
Personal ComputeLaptops, PCs, tablets, smartphones, e-readers, AI assistants

Mobile Devices

SmartphoneCritical risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Medium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

  • 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

What protects you

  • 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)

Good habits

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

Desktop & Laptop

Laptop / DesktopHigh risk

Weak points

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

How attacks happen

  • 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

What protects you

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

Good habits

  • 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 WorkstationMedium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Wearables & Companion Devices

Smartwatch / Fitness TrackerMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

AI Assistants & LLM Tools

ChatGPT / Claude / Gemini Desktop AppMedium risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • Pair AI suggestions with code review
  • Disable telemetry where possible
  • Train developers on common AI failure modes
Smart Home Hub & AssistantsVoice assistants, smart displays, hubs, Matter/Thread devices, automation platforms

Voice Assistants

Smart Speaker (Alexa / Google Home)Medium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • 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)Medium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Hubs & Automation Platforms

SmartThings / Hubitat HubMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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)

Good habits

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

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • Prefer local-only operation when possible
  • Audit Matter fabrics on hub
  • Reset and re-commission suspicious devices
Smart Lighting & PowerBulbs, plugs, switches, energy monitors, solar inverters

Lighting

Smart Bulb (Hue / LIFX / Tuya)Low risk

Weak points

  • 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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Power & Energy

Smart PlugMedium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • Choose vendors with published security disclosures
  • Maintain manual transfer / off-grid procedure
  • Monitor for unexpected production drops
Home SecurityCameras, doorbells, smart locks, alarms, garage openers

Cameras & Doorbells

Wi-Fi Indoor / Outdoor CameraHigh risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Locks & Access

Smart Lock (August / Yale / Schlage Encode)High risk

Weak points

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

How attacks happen

  • 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

What protects you

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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Alarms & Sensors

Wireless Alarm System (SimpliSafe / Ring Alarm)Medium risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • Combine with traditional hard-wired detectors
  • MFA on Nest account
  • Maintain CO detector in every sleeping area (CSA recommendation)
Identity & AuthPasswords, MFA, SSO, email auth

Password Managers

1PasswordMedium risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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)
BitwardenMedium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • 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 / KeePassXCLow risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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 managersHigh risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

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

Good habits

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

Multi-Factor Authentication

Authenticator apps (Authy, Google, Microsoft)Medium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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)Low risk

Weak points

  • 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)

How attacks happen

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

What protects you

  • 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

Good habits

  • 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)Low risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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 OTPHigh risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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 & Federation

Sign in with Google/Apple/MicrosoftMedium risk

Weak points

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

How attacks happen

  • 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

What protects you

  • 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)

Good habits

  • 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)High risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

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

Email Authentication

SPF / DKIM / DMARCMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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)

Good habits

  • 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
Financial TechBanking apps, POS, crypto wallets, contactless

Banking Apps

Mobile banking app (RBC, TD, Desjardins, etc.)High risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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 portalHigh risk

Weak points

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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

Payment Terminals & POS

Smart POS terminals (Square, Clover, Moneris)Medium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • 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)Medium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Crypto Wallets

Hardware wallet (Ledger, Trezor)Low risk

Weak points

  • 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)

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)High risk

Weak points

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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)High risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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)

Contactless & Mobile Wallets

Apple Pay / Google WalletLow risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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 cardsLow risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

E2EE Messengers

SignalLow risk

Weak points

  • 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)

How attacks happen

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

What protects you

  • 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

Good habits

  • 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 / ElementLow risk

Weak points

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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

Mainstream Messaging

WhatsAppMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

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

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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

Email Clients

Outlook / Apple Mail / ThunderbirdMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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)Medium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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)

Video Conferencing

Zoom / Teams / Google MeetMedium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • 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)
EntertainmentSmart TVs, gaming, VR/AR, audio devices

Smart TV & Streaming

Smart TV (Samsung Tizen, LG webOS, Android TV)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Low risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

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

Gaming

Gaming consoles (PS5, Xbox, Switch)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Medium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

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

VR/AR Headsets

Meta Quest / Apple Vision Pro / PicoMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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

Audio Devices

Bluetooth headphones / earbuds (AirPods, Sony, Bose)Low risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • 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)High risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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)

Good habits

  • 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
Health & WellnessWearables, medical devices, health apps, telehealth

Wearables & Smart Rings

Fitness trackers (Fitbit, Garmin, Whoop)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)

Medical Devices

Continuous Glucose Monitor (CGM — Dexcom, Libre)High risk

Weak points

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

How attacks happen

  • 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)

What protects you

  • 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

Good habits

  • 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 wearablesMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

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

Good habits

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

Health Apps

Period / fertility trackers (Flo, Clue, Natural Cycles)High risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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

Telehealth

Telehealth platforms (Maple, Telus Health, Dialogue)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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
TransportationConnected cars, EV chargers, mobility apps

Connected Cars

Connected vehicle (Tesla, Ford, GM, BMW)High risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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 hotspotMedium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

EV Charging

Public EV chargers (Electrify Canada, FLO, ChargePoint, Tesla Supercharger)Medium risk

Weak points

  • 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

How attacks happen

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

What protects you

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

Good habits

  • 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)Medium risk

Weak points

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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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

Mobility Apps

Ride-share apps (Uber, Lyft)Medium risk

Weak points

  • 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)

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Low risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

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

Good habits

  • Verify vendor data residency
  • Delete account after extended non-use
  • Check ride history for anomalies
  • Use Communauto / Bixi (Canadian) where data residency matters
Cloud & StorageCloud drives, self-hosted storage, backup

Consumer Cloud

iCloudMedium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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 / DropboxMedium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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)

Good habits

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

Self-Hosted Storage

NextcloudMedium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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

Backup Services

Backblaze / Arq / DuplicatiLow risk

Weak points

  • 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

How attacks happen

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

What protects you

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

Good habits

  • 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
AI & ProductivityAI chatbots, browser extensions, note apps, office suites

AI Chatbots & Assistants

ChatGPT (OpenAI)High risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Medium risk

Weak points

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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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

Browser Extensions

General browser extensions (Chrome/Firefox/Edge)High risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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

Note & Knowledge Apps

Notion / Obsidian / EvernoteMedium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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

Office Suites

Microsoft 365 / Google WorkspaceMedium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • Enable activity audit logs
  • Use sensitivity labels and DLP
  • Periodic external-share review
  • Train users on phishing recognition
Browsing & PrivacyBrowsers, VPN clients, DNS, privacy tools

Browsers

Chrome / EdgeMedium risk

Weak points

  • 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)

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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
FirefoxLow risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

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

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

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

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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

VPN Clients

Commercial VPN (Mullvad, ProtonVPN, IVPN, NordVPN)Low risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Low risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

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

DNS Resolvers

NextDNS / Cloudflare 1.1.1.1 / Quad9Low risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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)

Privacy Extensions

uBlock Origin / Privacy BadgerLow risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • Combine with NextDNS for redundant blocking
  • Avoid duplicating blockers (causes site breakage)
  • Whitelist sites you trust and want to support
Kids & EducationKids tablets, EdTech, parental controls, school devices

Kids Devices

Kids tablets (Amazon Fire Kids, iPad with Family Sharing)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

EdTech Platforms

School platforms (Google Classroom, Microsoft Teams for EDU, Seesaw)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

Parental Controls

Parental control software (Qustodio, Bark, Apple Screen Time, Family Link)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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
Work-from-HomeCorporate VPN, MDM, collaboration, webcams

Corporate VPN

SSL VPN appliances (Fortinet, Pulse, Cisco AnyConnect)High risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Low risk

Weak points

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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

MDM-Enrolled Devices

Corporate-managed laptops/phones (Intune, Jamf, Kandji, Workspace ONE)Medium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

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

Collaboration Suites

Slack / Teams / Discord (corporate)Medium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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 & Mics

External webcams & USB micsMedium risk

Weak points

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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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
TravelHotel Wi-Fi, eSIM, border hygiene, travel routers

Hotel & Public Wi-Fi

Hotel Wi-Fi & captive portalsHigh risk

Weak points

  • 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)

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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 & Travel SIM Apps

eSIM apps (Airalo, Holafly, Nomad)Low risk

Weak points

  • 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

How attacks happen

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

What protects you

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

Good habits

  • 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

Border-Crossing Hygiene

Device search at border (CBSA, US CBP)High risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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)

Good habits

  • 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 controlMedium risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Travel Routers

Travel routers (GL.iNet, Slate AX)Low risk

Weak points

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

How attacks happen

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

What protects you

  • 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.)

Good habits

  • 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
Pro/Prosumer HomelabHypervisors, containers, self-hosted SIEM, reverse proxies

Hypervisors

Proxmox VEMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

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

Weak points

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

How attacks happen

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

What protects you

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

Good habits

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

Container Platforms

Docker / Docker ComposeMedium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • Scan images with Trivy/Grype before deploy
  • Subscribe to image vendor security advisories
  • Use private registry for production
  • Apply seccomp/AppArmor profiles
Kubernetes / K3sHigh risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

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

Self-Hosted SIEM & Monitoring

Wazuh / Security OnionLow risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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 ManagerLow risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

AR Glasses

Meta Ray-Ban / Apple Vision Pro / Snap SpectaclesHigh risk

Weak points

  • 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)

How attacks happen

  • 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

What protects you

  • 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

Good habits

  • 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)Medium risk

Weak points

  • 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)

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

Brain-Computer Interfaces

Consumer BCIs (Muse, Neurable, future Neuralink)Medium risk

Weak points

  • 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

How attacks happen

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

What protects you

  • 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

Good habits

  • 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 & Autonomous

Robotaxi rider apps (Waymo, Cruise, future Tesla Robotaxi)Low risk

Weak points

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

How attacks happen

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

What protects you

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

Good habits

  • Verify in-cabin recording disclosures
  • Limit stored payment methods
  • Use one-time payment cards
  • Stay informed on regulatory developments (Canada lags US on robotaxi)
Physical & Supply ChainUSB attack devices, hardware tokens, firmware supply chain, e-waste

Malicious USB & Cables

Malicious USB devices (Rubber Ducky, O.MG cable, Bash Bunny)High risk

Weak points

  • 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

How attacks happen

  • 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)

What protects you

  • 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

Good habits

  • 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

Hardware Security Tokens

YubiKey / Titan / FeitianLow risk

Weak points

  • 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

How attacks happen

  • 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)

What protects you

  • 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

Good habits

  • 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

Firmware Supply Chain

IoT firmware & supply-chain attacksHigh risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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

Good habits

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

E-Waste & Data Sanitization

Old devices, drives, smartphonesMedium risk

Weak points

  • 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

How attacks happen

  • 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

What protects you

  • 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)

Good habits

  • 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