Having an unlocked iPhone–without so much as a four-digit barrier between you and some subway snatcher–is asking for trouble. Four-digit passcodes or PINs were the only way to secure the earliest ...

My 8 year old relative got hold of my iPhone and tried a few passcodes before she got locked out. She tried just three or four times, then got a black screen with the Apple logo and a progress bar. I ...

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. People tend to make ...