Let's be honest: Security isn't sexy. iPhone and iPad users are understandably enamored with iOS 7's photography features and Siri's new voice and likely haven't given a thought to the host of security additions under the hood. But iPhone theft is on the rise everywhere, and your device could be next.Fortunately, the latest version of Apple's mobile operating system is so secure, it's even converted our nation's law enforcement brass into iOS 7 fans.And while protecting your device may not be as fun as