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Abstract
There has been an exponential growth in smartphones usage for the past several years. According to Gartner Inc. smartphones dominated the overall mobile phone sales, and the fourth quarter of 2012 saw record smartphone sales which was up 38.3 percent from the same period in 2011. These devices which put the Internet, a phone, GPS tracking, a camera, a microphone and much more in the hand of the users, have gradually become an extension to the human body. Nowadays, smartphones contain more personal information (from contacts and SMS history, to passwords to different accounts and GPS records) than an average PC, which make them a lucrative target for hackers.
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