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Preet Bharara, U.S. Attorney for the Southern District of New York, leaves a news conference about arrests concerning the malware BlackShades Remote Access Tool, in New York, Monday, May 19, 2014. More than a half million computers in over 100 countries were infected by sophisticated malware that lets cybercriminals take over a computer and hijack its webcam, authorities said as charges were announced Monday against more than 100 people worldwide. (AP Photo/Richard Drew)