Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Keeping your iPhone or Android device secure is a no-brainer.

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 ...

Android users are currently at risk of a scarily advanced malware that reportedly uses Meta's advertising platforms (like Facebook and Instagram) to hunt for users' PINs, messages, and other sensitive ...

If you use a four-digit PIN number, your personal code may not be as secure as you think. PIN codes are commonly used to unlock iPhone or Android devices, access online banking, get cash out of an ATM ...

Are you using a four-digit PIN code on your Android or iPhone?A newly published Samsung alert suggests you might want to change that.

A regular lock screen PIN on your Android phone does the job most of the time, but what if you’re forced to unlock your phone when you really don’t want to? That’s where things get tricky. We recently ...

More than 800 Google Android apps have been targeted by a surge in PIN-stealing hack attacks. What you need to know.