Android App Security · Course 4
Storing Data Safely
Where apps keep files, keys and secrets, and how data leaks out.
- 1App Storage vs Shared Storage12 min · See where an app's files live, who else can read them, and what survives an uninstall.
- 2The Android Keystore12 min · Learn how Android guards encryption keys so even a hacked app can't copy them.
- 3Backups & Logs13 min · Find two quiet ways private app data leaves its sandbox: backups and logs.
- 4Secrets in the Code12 min · Learn why anything shipped inside an app is public, and where real secrets belong.
- 5Challenge: The Leaky Budget App15 min · Review your cousin's budgeting app and find every place its secrets could leak.
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 Vault Keeper badge.
Start lesson 1