Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, May 20, 2025: This story, originally published May 19, ...

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 ...

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 ...

Secure instant messaging app Signal launched this week a new feature called "Signal PINs" which the company says will help users migrate account data between devices. Signal says that in the long run, ...

Personal identification numbers (PINs) are vital for protecting our online banking accounts, devices, and sensitive information. And while it may seem like it is simple to make a four-digit PIN, you ...