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.

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, ...

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 ...

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.

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 ...

Researchers find that a smart bad guy has a one-in-10 chance of guessing the PIN that guards your bank account. I’ve always thought that losing one’s ATM card was an inconvenience, but not a likely ...

Password health is important, but don’t overlook the humble PIN, too. Often just four digits, it stands between bad actors and major parts of your life: your bank account, your smartphone, your home ...

Cloak and Dagger can operate without the knowledge of Android owners Cloak and Dagger can operate without the knowledge of Android owners Cloak and Dagger can operate without the knowledge of Android ...