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 ...

Locking your iPhone — which turns off the display and makes a passcode required to turn it back on again – is an easy way to protect your data and personal ...

If you’re an iPhone user, your Notes app is likely filled with stuff (like your amateur poetry and passwords) that you don’t want other people to read. Apple knows that too, which is why iOS lets you ...

This Philips Wi-Fi Door Lock opens the door to some brand new ways to, well, open your door. Right now, the smart door lock from Philips has been cut down by 38%. This brings the price for $130 down ...

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 ...