That Angry Birds wallpaper app you’ve downloaded is doing more than decorating your smartphone screen — in the background, it’s also accessing your device’s GPS data, which tracks your location.
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Android phones do warn users when they download applications about what information the programs will access. Whether most people actually read those warnings is another matter. Google did not respond to a request for comment.
Some of the most aggressive apps are programs purporting to be affiliated with popular brands such as Facebook and Zynga, Bit9 Chief Technology Officer Harry Sverdlove wrote in an e-mail. The extra functions don’t necessarily make the programs malicious, but they do raise questions about the developers’ intentions, he added.
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Mobile app privacy is even becoming an issue for law enforcement.
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This is nothing new, but main reason I haven't dived into buy a smartphone yet.