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.

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 ...

When I updated iOS on my iPhone, I was forced to choose a six-digit passcode instead of a four-digit one. Is there any way to go back? As part of its drive to increase security on Apple devices ...

Some people like the simple 4-digit passcode because it is simpler to remember (and some people even use the same passcode they have for their debit cards). However, a 6-digit passcode is much more ...

To change your iPhone's passcode from a simple numeric 6-digit passcode to something more secure, you'll need to use the Settings app.

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.

A passcode is required to set up Touch ID, and Touch ID is automatically disabled after 48-hours until a passcode is input by an iPhone or iPad's owner.

Now if you’re dead-set on keeping the contents of your iPhone shielded from prying eyes, your best bet is to make use of a passcode that’s longer than six digits. And for extra security, you ...

An iPhone user has found a trivial way to bypass the four-digit passcode lock on fully patched iPhone (iOS 4.1) devices.

Think again. Technology available to law enforcement officials by Swedish firm Micro Systemation can be used by to hack into the handset and bypass the four-digit passcode in less than two minutes.

Want a little stronger security lock-down for your iPhone than what the 4-digit PIN offers? Weblog 9 to 5 Mac details how to enable a more secure alpha-numeric passcode on your device with a few ...

Apple has steadily made the iPhone more secure over the past few years, but the device certainly isn't, nor has it ever been, impenetrable. As… ...