Learn how to enable a Screen Lock and Change PIN on the Signal messenger app to better protect your app and the messages in it.

Android: Four-digit PIN codes for your Android lock screen may not be enough security, depending on your situation. TimePIN changes the PIN code dynam ...

Easy steps to Set up a Secure Screen Lock on Galaxy S20 To check and see if the PIN lock you’ve set is working, lock the screen on your device and then unlock it by entering the correct PIN code.

Locking your Android smartphone with a password, PIN or unlock pattern is your first defense against those who would use it for malicious purposes like stealing your info or sending joke texts to ...

The lock screen on your Android phone will forever be your most visited screen. Every single time you turn your phone on or wake it up, you have to do something at the lock screen. For some, a ...

Your Android lock screen pattern isn't as safe as a PIN code What's safer? Using a numeric PIN code to unlock your Android smartphone or relying on a finger squiggle? The answer might surprise you.

Your face makes for a very good security check, but your passcode remains a weak spot. Here's how to change it to keep your iPhone data safe by changing your lock screen passcode.

Here's how you can set up a lock screen passcode to protect the information on your iPad, iPod Touch or iPhone in iOS 6.

Google now lets you unlock a Chromebook with a PIN code -- and lock it up with a few keystrokes. It's a feature in testing, but available to all.

"When you access your iPhone or iPad this way, you must immediately change your passcode once more." First, go to your device's Lock Screen and enter your passcode.

A graduate of the Norwegian University of Science and Technology sampled 4,000 user-generated Android lock patterns to identify common patterns and habits.