In this article on NetworkWorld, the author speaks about the ever growing field of smartphone hacking. The 'Android' is specifically mentioned, but I would assume all smartphones are open to attack. The latest developments were brought to light at this year's DEFCON conference, and mentions how a bad guy can own your phone and basically send all info stored on it anywhere they want.
The fix?
As usual, just be careful what you download. Is it a free wallpaper app, or a free ringtone? Chances are, if it's free, it's gonna cost you in the long run.
