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.

Researchers at security company ESET have found a type of malware that changes an Android device’s PIN, the first of its kind in an ever-evolving landscape of ransomware attacks. For most users, the ...

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: 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 ...

The Chameleon Android banking trojan has re-emerged with a new version that uses a tricky technique to take over devices — disable fingerprint and face unlock to steal device PINs. It does this by ...

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 ...

PIN unlock is a fairly secure method of locking down your phone, and in Android 14’s latest beta release, Google is making it a bit easier for Pixel users as they’ll no longer need to confirm unlock ...

A few days ago, my colleague Calvin shared an interesting fact about GrapheneOS: The custom ROM allows him to set a duress PIN that completely erases the phone when he enters it, including encryption ...

Imagine unlocking your Android phone without tapping in a PIN or scanning your fingerprint—just because your smartwatch is nearby. A new feature spotted in development could make that a reality, ...