A major flaw has been discovered in iOS 7 that seemingly allows users to disable the important 'Find My iPhone' feature on a device without typing in the typically-required password. Turning off the feature on a stolen device makes it invisible to Apple's location service.
And what's worse is, the flaw isn't difficult to exploit. The bug can be reproduced on any device [that we've seen] running iOS 7.0.4 by following a few simple steps that involve making changes in the iCloud section of the Settings app and entering in a dummy password...