An Android wallpaper application that collected data from users ' phones and uploaded it to a site in China was downloaded "millions of times ", according to mobile security firm Lookout. Kevin MaHaffey, chief technology officer at Lookout, used Jackeey Wallpaper as an example of the wider risk faced by smartphone users during a presentation at the Black Hat security conference in Vegas on Wednesday. Jackeey Wallpaper was uploaded to the Android Market, offering wallpaper themed around ...

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