iOS 6.1.3 has only just been released by Apple, and already a security hole has been followed - allowing anyone to bypass the passcode lock on iPhones, and access private data on the device.
Embarrassingly for the Cupertino company, one of the main reasons for installing iOS 6.1.3 was that it promised to fix other security flaws that allowed the lock screen to be bypassed.
The flaw was found by "videosdebarraquito", who seems to be making a hobby of embarrassing Apple by uncovering lock bypass flaws. In a video he demonstrates that it's not particularly complicated to avoid the iOS 6.1.3 passcode lock if you have physical access to the device and a widget for removing the SIM card.
Here is videosdebarraquito's video, where he demonstrates how the passcode can be bypassed: