In an age of advanced security measures—Face ID, biometric scans, and multi-factor authentication—it's surprising that ATMs still rely on a simple 4-digit PIN. The 4-digit PIN traces its roots back to ...

You probably know that your iPhone features a simple passcode functionality that secures the device by requiring, by default, a 4-digit PIN to unlock your phone. But as you also probably know, a ...

Windows 8 has a feature where you can use a 4 digit PIN to sign-in to your Windows account. If you are a domain user, though, this feature is disabled by default. It is possible, though, for an ...