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, ...

Using a four-digit PIN to lock your iPhone doesn't really protect your data, security and IT blogger Bernd Marienfeldt has discovered. In an article describing the iPhone's business security framework ...

There's nothing particularly difficult about cracking a smartphone's four-digit PIN code. All it takes is a pair of thumbs and enough persistence to try all 10,000 combinations. But hackers hoping to ...

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 ...

Here’s one for today’s “Yeah, I probably should’ve thought of that” pile. If you’ve got anything even remotely private on your phone (and who doesn’t? Your phone has access to your email, and thereby ...

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, ...

You probably know that your iPhone features a simple passcode functionality that secures the device by requiring, by default, a 4-digit PIN to unlock your phone. But as you also probably know, a ...

As tempting as it might be, avoid using 0000 as your four-digit PIN code. Same goes for 1010, 1111, 1122, and 1212, which comprises the top five worst PIN codes, according to a list compiled by ...

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 ...

Clinton Carpene works for ECU Security Research Institute. He receives funding from Cisco. He is affiliated with WAHCKon Heavy Industries Pty. Ltd.. One consequence of the Apple vs FBI drama has been ...

John is a writer at Pocket-lint. He is passionate about all things technology, and is always keeping up with the latest smartphone and PC releases. John has previously written at MobileSyrup. When ...