Android Security (Samsung)
You cannot harden a phone you have already been living on. This one starts at the recovery menu with a wipe and works forward tap by tap, written against a Samsung S22 running One UI 6.2.2.
Topic
How-To Guide
A collection of 33 issues
Is Your App Safe? A Simple Guide to Assessing Vulnerabilities
A friend forwards a headline about an app getting hacked and you have no idea whether it touches you. Four terms and a short set of questions that turn a scary-sounding score into a decision about your own phone.
Android "10" List
Ten things to change on a stock Android phone before you carry it anywhere. None of them take long, and the defaults were chosen for someone else's benefit — starting with everything under Location.
Introducing the Passphrase Card: Your Personalized Password Security Solution
A wallet card that carries no passwords, only a block of random words. What you memorize is a coordinate; what you carry is useless to whoever picks it up.
SPAM CALLS BE GONE!
Registering takes five minutes and costs nothing, but it only binds callers who were already following the law. Scammers were never checking the list — here is what the registry actually buys you.
Android Lockdown Mode
Two seconds on the power button drops the phone to PIN-only: no face, no fingerprint, no notification text on the lock screen. Worth finding the button before the moment you need it.
Account Privacy Dashboards
Apple, Google, and Microsoft each publish a page showing what they hold on you. Three links and half an hour tells you what is in the file, starting with whether Maps is still logging where you go.
Apple: What is your Device doing?
Switch on App Privacy Report, wait a day, then look for the entries that make no sense — the calculator with location access, the domain your phone talks to all night.
Apple’s Advanced Data Protection (Encrypted Cloud Storage)
Switching it on takes a couple of minutes. The part that matters is the 28 characters Apple shows you once: lose them and nobody, Apple included, can open your iCloud data again.
Disable Location Services (Android)
Precision is what makes location data worth selling. You will never be invisible to the network itself, but you can stop the apps on your phone from quietly building a record of where you sleep.