If you have an Apple or an Android phone—and you probably do—you have the option of locking your phone using a PIN code. With most of these phones, you can choose a four-digit PIN or a six-digit PIN.

Update, May 26, 2025: This story, originally published May 24, has been updated with a brief history of PIN codes, information regarding the most secure codes you can use and why 8068 really isn’t the ...

What's safer? Using a numeric PIN code to unlock your Android smartphone or relying on a finger squiggle? Newly-released research suggests that, at least when someone close by could be looking over ...

Android: Four-digit PIN codes for your Android lock screen may not be enough security, depending on your situation. TimePIN changes the PIN code dynamically to make it harder for someone to gain ...

Locking your Android smartphone with a password, PIN or unlock pattern is your first defense against those who would use it for malicious purposes like stealing your info or sending joke texts to your ...

Smart door locks bring keyless convenience, better security and remote access, making them a practical upgrade for modern ...

Android 17 Beta 2 just dropped, and as you might expect, people are already diving in to see what's new. Of course, others are diving in even further, analyzing code to see what might eventually ...

There's nothing particularly difficult about cracking a smartphone's four-digit PIN code. All it takes is a pair of thumbs and enough persistence to try all 10,000 combinations. But hackers hoping to ...

You’re probably used to logging in to your Windows computer with a password. However, if you’re using a Microsoft account to log in to Windows, a PIN lock may be ...

Setting a lock code on an app-by-app basis is a great way to add another level of security to your device. With App Lock, it's as easy as setting a PIN. Jason Cipriani is based out of beautiful ...