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Today, it is almost impossible to do business without a cell phone and a BlackBerry or PDA. These devices are the lifeline for companies large and small--and nobody knows this better than a hacker. Traditionally, security for mobile devices has held a low priority. Now, a certified ethical hacker explains in this book why this must change and how to change it. Packed with sobering examples of actual attacks, this unique resource shows you how to mount your counterattack.