iOS Internals · Course 2
Locks & Encryption
How an iPhone guards your data with keys, faces and fingerprints.
- 1The Secure Enclave11 min · Meet the vault inside your iPhone's chip that checks passcodes and guards keys.
- 2Data Protection Classes13 min · See why some files open after a restart and others stay locked until you unlock.
- 3Face ID & Touch ID12 min · How your face or fingerprint unlocks the phone, and when only the passcode will do.
- 4Stolen Device Protection13 min · Stop a thief who knows your passcode from taking over your phone and account.
- 5Challenge: The Café Snatch15 min · Work out what a thief who saw your aunt's passcode can and can't do.
Hands-on
Do it on the simulated phone
Every lesson has a lab you can try in your browser, plus questions that earn points toward the Keyholder badge.
Start lesson 1