You are, we hope, already protecting your phone with a PIN, a fingerprint, or a face (or all three), but sometimes you'll want to add an extra barrier to particular apps—if you're lending your phone ...

Garmin watches can lock with a passcode, but this feature isn't on by default. Read on to find out how to turn this feature on, so you can lock your data when your watch isn’t on your wrist. Passcodes ...

For security purposes it’s a good idea to set up a Passcode on Lock Screen for the Apple iPhone 5 or any iOS device like the iPad, previous iPhones and the iPod Touch. This requires the user to enter ...

The security features built into Apple’s iOS software are so good that the police are unable to gain access to defendant’s iPhones when they need to. Apple itself is able to bypass the security ...

Apple doesn't have an official method for individually locking sensitive apps like Photos with a passcode, but there is a workaround that was introduced with the Screen Time feature that first came ...

I’ve got a passcode lock on my iPad 2 so that it cannot be accessed by individuals who weren’t given permission to play with it. However, I also use an Apple Smart Cover, and thanks to a security flaw ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. August 13, 2025 Add as ...