http://www.computerworld.com/s/article/9140518/Fir st_iPhone_worm_spreads_Rick_
Astley_wallpaper the worm, known as Ikee, is only a threat to users who have jaibroken their phones to let them run unauthorized software, security experts say. In fact, Ikee doesn't do anything particularly bad -- it changes the victim's wallpaper to a photograph of 80s singer Rick Astley and then seeks out ...