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.

Guess how long it would take a computer to brute-force an 8-number password. The answer: instantly. That's according to Hive Systems' Password Table, which shows how shockingly quick passwords of ...

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 ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Sometimes, the most critical security threats are right there ...

It’s no secret that smartphone PIN codes are not perfect, but new research suggests they might be next to worthless. A team of scientists at Newcastle University in the U.K. was able to guess a user’s ...

A secure Android phone is a healthy Android phone. If you’re like me, the primary line of defense for your phone is a PIN. Sure, you may also use your phone’s fingerprint sensor or face unlock, but it ...

Instruments in smart phones such as the accelerometer, gyroscope and proximity sensors represent a potential security vulnerability, according to researchers. Instruments in smart phones such as the ...

All of you should have a PIN code or some other form of authentication on your smartphone, preventing unauthorized people from accessing your device and serving as a security measure for theft. But ...

The woman — who shared her situation on Reddit — said her husband changed the password shortly before being admitted to the hospital for surgery Fernando Gutierrez-Juarez/picture alliance via Getty A ...