By Richard Mallon
A new bug in Apple’s iOS 5.0.1 software could allow unauthorized access to contacts and the calling features of an iPhone, bypassing passcode protection. However the method is really tricky/slow. It involves inserting and ejecting the iPhone’s SIM card many many times, leading to a bypass of the passcode and access to the phone app after several missed calls to the device.
There is a great video of someone demonstrating this ‘hack’ here