There's no reason to believe a six-digit PIN is substantially more secure than a four-digit PIN, according to a research paper on mobile phone passcodes. The reason? When asked to choose longer PINs, ...

The safest 4-digit PIN is '8068' — or at least it was, until researchers at Data Genetics told everyone this week. The researchers there went through a set of 3.4 million four-digit personal ...

Choosing a phone PIN code that's easy to remember might be a time-saver. It's also a potential security risk. If your phone or another device is lost or stolen, an easily-guessed PIN code makes it ...

A German-American team of IT security researchers has investigated how users choose the PIN for their mobile phones and how they can be convinced to use a more secure number combination. They found ...

Tech experts are warning that some of the most widely recommended PIN codes for protecting your electronics may now be the easiest for hackers to crack — all thanks to their rising popularity. IT pro ...

Nick Berry, president of the data mining consulting company Data Genetics, recently wrote a blog post about how easy it to guess a person's four-digit PIN. Robert Siegel talks to Berry about his ...

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 ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Apple rolled out its new iOS 9 operating system Wednesday and with ...

I've got an ATM/debit/Mastercard from Fleet bank. It has a 6-digit PIN, and I don't plan to bring it with me to Europe. I've only used 4-digit PIN ATM/Debit/Credit cards in Europe. I've heard it said ...