The report of the U.S. Department of Defense Pentagon openly stated about the involvement of the authorities and the military China's cyber-espionage. All hacks were sent to gather intelligence about the economy and the defense of the United States, which can be used in the interests of China's defense industry. In Beijing, for it said that all the allegations against them are baseless side and that attacks by hackers also exposed the PRC and China.
It has long been the United States, though not in the open, but accuses China of cyber attacks. One report said the United States, with a 2006 attack were dozens of U.S. media, government agencies and private organizations. Thus, the attackers were known hundreds of terabytes of data: documents with details of important transactions, drawings, contact lists and emails.