Part of the building of 'Unit 61398', a secretive Chinese military unit, is seen in the outskirts of Shanghai

 
Part of the building of
Part of the building of 'Unit 61398', a secretive Chinese military unit, is seen in the outskirts of Shanghai February 19, 2013. The unit is believed to be behind a series of hacking attacks, a U.S. computer security company said, prompting a strong denial by China and accusations that it was in fact the victim of U.S. hacking. REUTERS/Carlos Barria (CHINA - Tags: POLITICS SCIENCE TECHNOLOGY MILITARY) - RTR3DZ82