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 ...

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.

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.

While setting up a lock screen PIN on your Android or iPhone, there's always the fear that you might forget it one day. That's especially true if you usually rely on quicker methods without a password ...

Four digit PIN codes protect everything from your bank account to your cell phone. But if you choose your PIN yourself, chances are your money and data isn’t as safe as you think. ABC News Australia ...

ALBUQUERQUE, N.M. (WHAT THE TECH?) — You probably have at least one simple four-digit code memorized. We use them for a lot of important things like debit cards and phones. But some pin-codes are more ...

A few weeks ago, Tarah Wheeler, the senior director of Data trust, Threat, and Vulnerability Management at Splunk, shared a list of the most common PIN codes people use to protect their smartphones ...

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 ...