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4.5 Travel Guide

Core Concepts: All Four

Travel introduces unique risks. Prepare before you go and stay vigilant while away.

4.5.1. Before You Leave

  • Back Up Everything: Full backup, test restore (see Backups topic)

  • Enable and Test Find My Device: Verify location tracking works (see Mobile Device Hardening and OS Hardening topics)

  • Update All Devices: OS, apps, firmware (see OS Hardening and Mobile Device Hardening topics)

  • Know How to Remotely Wipe: Review the process (see Mobile Device Hardening topic)

  • Install and Test VPN: Essential for public WiFi (see VPN topic)

  • Enable Strong Lock Screens: Not just biometrics (see Authentication and Mobile Device Hardening topics)

  • Pack Cable Locks: Physical security essentials (see Physical Security topic)

  • Use RFID Blocking Sleeves: for credit cards and passport

  • Create Emergency Contacts List: Nearest embassy if international, bank fraud numbers; print and store in luggage

4.5.2. During Travel

  • Use VPN on All Public WiFi: Hotels, airports, cafes (see VPN topic)

  • Don’t Use Public USB Charging: Use AC outlets with your charger (see Physical Security topic)

  • Keep Devices With You: Never in checked luggage (see Physical Security topic)

  • Lock Screen Every Time: Even for a moment (see Physical Security topic)

  • Disable Auto-Connect WiFi and Bluetooth: Prevent automatic connections to malicious networks (see Mobile Device Hardening topic)

  • Be Aware of Shoulder Surfers: Shield screen and keyboard (see Physical Security topic)

  • Don't Use Hotel Business Center Computers For Sensitive Tasks

4.5.3. At Border Crossings

  • Power Off Devices Before Crossing: Cold boot required to access encrypted storage (see OS Hardening topic)

  • Consider Disabling Biometrics Temporarily: Can be compelled to use (see Authentication topic)

  • Know Your Rights: Varies by country, research in advance

Plan for Border Crossings

International border agents can legally search devices in many countries.

Standard precautions:

  • Turn off devices before border crossing (cold boot required to access encrypted drives)

  • Log out of all services and set back up after crossing

  • Uninstall social media apps, delete potentially sensitive text messages

  • Clear your browser’s cache

  • Consider changing important passwords after crossing if device was searched

  • Don't volunteer passwords or unlock devices unless legally required

High-security approach:

  • Travel with a "clean" device containing minimal data

  • Access sensitive data through cloud services after crossing the border

  • Use a burner phone for international travel

  • Wipe device before travel, restore from backup after arrival

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