Inverse

Your four-digit PIN is probably just as secure as a longer one

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, ...
NBC New York

These are the 50 most common four-digit PINs leaked on the dark web—make sure none of them are yours

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 ...
EurekAlert!

How secure are four and six-digit mobile phone PINs?

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 ...
XDA Developers

Files by Google tests a "Safe Folder" that protects files with a 4-digit PIN

The best source for Android OS news. Co-host on the Android Faithful podcast. Files by Google is a file manager app that has become the de facto default file manager for Google Pixel devices on ...
ZDNet

Stop using your 4-digit iPhone passcode in public. Do this instead

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