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.

A new type of banking malware is targeting Android users. DoubleLocker, a Trojan that can encrypt data on devices, locks victims out of their smartphones by altering PIN codes - to re-gain access, ...

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 secures your device by asking you for a PIN, pattern, or full password. What happens if you forget the security method you set up? If you're lucky, you can get back in easily—but that may not ...

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.

Google is working on a feature in Android 17 that could quietly remove one of the most annoying security steps on your phone. If you use a SIM PIN, you may soon not have to remember it or enter it ...