Software is never completely secure. If you think otherwise, you are in for a rude awakening. Every now and then, hackers will find a way to take control of an app or expose private data–for money, fun, or fame. Motives varies, but these types of hackers are extremely talented, and often their potential is wasted to illegal activities. One of good guys in finding and neutralizing security flaws is Google. Current efforts have been focused mainly on their own products like Chrome OS or Chrome browser. But now, the whole idea of protecting the Internet has gone to a new level.