When I updated iOS on my iPhone, I was forced to choose a six-digit passcode instead of a four-digit one. Is there any way to go back? As part of its drive to increase security on Apple devices, the ...

Tech consultancy company DataGenetics has analyzed the popularity of numeric passwords. What they found confirms previous research that most of our four-digit PINs (e.g., for credit and debit cards) ...

Choosing a phone PIN code that's easy to remember might be a time-saver. It's also a potential security risk. If your phone or another device is lost or stolen, an easily-guessed PIN code makes it ...