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 ...

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 ...

The iPhone offers strong end-to-end encryption for all your data, and that's a great feature to have on the most important computer in your life. But that encryption is only as good as the PIN or ...