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 ...

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 ...

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 ...