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Your whole life fits in your pocket, and plenty of people want it.
Your phone concentrates everything: banking, mail, photos, conversations, two-factor codes. It's the most valuable device you own, and the most exposed: it goes out with you, joins unknown networks, and installs apps that ask for more access than they need.
Mobile attacks often mix physical and digital: an unlock code shoulder-surfed then the phone snatched, a location permission granted “always”, an intercepting public Wi-Fi, a fake app outside official stores. This theme covers the right settings and reflexes, from your pocket to your preferences.
Learn to recognize the screen lock that truly protects your accounts.
Lock with a long PIN or biometrics: never an unlocked screen.
10 exercises per level, mixing decision, spotting and quiz. The first 2 levels are free; the next ones open with any subscription.
Each level ends with a mission: what remains to be done once the lesson is understood. Some rely on your report, others on a setting we cannot see: it says so each time.
Set your phone to lock itself after one minute at most, and hide notification content on the lock screen. Then install any pending updates: they're security fixes first and foremost.
Open the list of apps that can use your location, then the one for the microphone. Remove access from the ones that don't need it, and leave it to the others only while they're open.
Open the list of Wi-Fi networks saved on your phone and delete the ones from cafés and hotels. A fake network that copies one of those names can then no longer connect you without your knowing.
Turn on your system's find-my-device service, then test it once from a web browser while everything is fine. The day you lose the phone, you'll know how to lock or wipe it remotely without searching.
Open your phone's backup settings and read the date of the last one. If it's more than a week old or backups are off, switch them to automatic and run one now. Losing a phone should only cost you the phone.