Smartphone security’s been on our minds today, after hearing about the lock screen exploit in iOS 6.1, and this evening Google has taken to its Android Developers blog to outline some of the security enhancements that it’s made in Android 4.2, including this week’s 4.2.2 update. The brand new security tweak in 4.2.2 concerns USB debugging. While that can be a useful way to access your phone, especially if something goes wrong with ...