A 4-digit iPhone passcode is about as insecure as it gets, and this black box can figure yours out in just a few days. So it's time to consider better security.

Stop using your 4-digit iPhone passcode in public. Do this instead A recent report suggests that your iPhone's passcode is all thieves need to steal your personal information.

iOS asks for 6-digit passcodes by default when setting up a new iPhone or iPad. Here's how to go back to 4 digits ...

While a six-digit passcode is always more secure compared to a four-digit passcode, it's also more frustrating to remember and enter whenever prompted. Thankfully, there's a way to revert to using ...

First, a reminder: If you don't have any security on your iPhone, you can enable the 4-digit passcode lock by going to Settings, tapping General, and enabling the Passcode Lock control.

Six-digit passcodes offer 1 million possible combinations instead of 10,000, making a passcode harder to crack.

Google Google Drive for iOS gets a 4-digit passcode lock, but loses support for document editing May 1, 2014 - 5:00 pm Google today updated Google Drive for iOS with an optional passcode lock.

With this enabled, you'll only need to enter a shorter, simpler four-digit number to authorize iTunes and App Store purchases, rather than your full iTunes account password.

Interestingly, if you put a 4 digit numeric passcode in in the non-simple passcode mechanism, it helpfully switches simple passcode back on for you.

There is a security flaw in iOS 4.1 that would allow someone to bypass the 4-digit passcode lock in order to access the Phone app. While the home screen and other apps appear to remain secure ...