The day after Apple rolled out a two-step verification system for purchase on the iTunes and App stores, a new vulnerability appeared that meant it was possible to hack into an Apple ID using just the email address and date of birth of a target.Related StoriesApple warns 'we will reject apps that aren't iPhone 5, Retina ready, use UDID'Apple's Jony Ive pushing for 'flatter design' for iOS 7, report saysiPh