Most of us unlock our phones dozens of times a day with a quick glance or tap of a fingerprint, and usually that's perfectly safe. But there is an important ...

Using your face or fingerprint to unlock your phone can be more convenient, but using a passcode can be key to keeping your phone safe.

We unlock our phones dozens of times a day. A quick glance, a touch on the screen. Done. It's convenient, fast, and most of the time it's ...