There's no reason to believe a six-digit PIN is substantially more secure than a four-digit PIN, according to a research paper on mobile phone passcodes. The reason? When asked to choose longer PINs, ...

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 ...

Certain PIN codes are blacklisted on iOS. For example, iOS recommends you don't use 0000 or 0011, but doesn't have a problem with 0001 or 1001. But what combination of numbers are blacklisted, and ...

We all know we should have strong, unique passwords for everything, but what about those simple 4-digit PINs? It turns out, they might be even more vulnerable than you think. If a thief gets their ...

Researchers found that some smartphone PIN codes are much more secure than others. Your smartphone holds a huge amount of data about you, so it goes without saying that you need to keep it secure.