The highly-anticipated iOS 7 update just started hitting iPhones and iPads yesterday, and already a major vulnerability has been discovered. Just like iOS 6.1 before it, the exploit involves a sequence of touches that allows a user to bypass a device's Lock screen.
The bug isn't easy to reproduce, but I was able to replicate it on my iPhone 4s. And despite having a passcode, it gave me access to a number of apps that contain personal data like photos, email, text messages, and both my Facebook and Twitter accounts...