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 ...

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 ...

Although the iPhone does allow you to setup a lockscreen passcode, it doesn’t give much flexibility in choosing one, allowing you to set only a four-digit passcode. If that doesn’t pass your security ...