http://www.youtube.com/watch?v=MP-w436CfvQ
The iOS Lock screen bug has reared its ugly head again. This time around, the security exploit isn't as straightforward as a 2011 issue which let intruders bypass your iPad's Lock screen using a Smart Cover. In a nutshell, this new exploit discovered by a YouTube user involves making and immediately canceling an emergency call and holding down the Sleep/Wake button twice.
As detailed in a video above by The Verge, the method enables an intruder to bypass the unlock feature on the Lock screen and gain immediate access to your private stuff, including iMessages, FaceTime, photos and more. The flaw is iOS 6.1-specific and since it involves using the emergency calling feature, it's likely that iPads and iPod touches are not susceptible. Go past the break for more information...