All lessons
📱Lesson 10

Lock Down Your Phone

Your phone is a pocket computer

Smartphones hold email, banking, photos, and 2FA codes. Lost or unlocked, they're a goldmine. A few settings turn one into a brick for a thief.

Treat it like a laptop

Phones need passcodes, updates, anti-malware (especially on Android), and you should avoid storing confidential data on them when you don't have to.

  • Use a 6+ digit passcode or biometric.
  • Turn on auto-updates for OS and apps.
  • Only install apps from official stores; verify the publisher.
  • Enable Find My / Find My Device with remote wipe.

Be picky about apps and permissions

Malicious apps disguise themselves as antivirus or utilities. Even legit apps can over-collect — review what you've granted location, mic, contacts, and photos.

  • Stick to well-known brands for security apps.
  • Audit permissions monthly; revoke what you don't use.
  • Disable Bluetooth and Wi-Fi auto-join when not needed.