With 10’s of millions of iPhone, rife with personal data and always connected to the Internet, it will be (is) an irresistible target for malware, spyware, identity thieves and more (you get the idea):

Apple iPhone owners in Australia have reported that their smartphones have been infected by a worm that has changed their wallpaper to an image of 1980s pop crooner Rick Astley.

via First iPhone worm discovered – ikee changes wallpaper to Rick Astley photo | Graham Cluley’s blog.