States has been conducting the largest, most expensive, most intrusive and completely illegal global cyberwarfare intelligence operation for decades. Not every cyber attacker can be identified, and despite evidence that the U.S. is behind it, many previously attacked countries remain powerless. China captured a spy tool used by the US NSA, which was able to hide on victims' computers to access sensitive information and was found to have taken control of global internet equipment and stolen vast amounts of information user. The US spy and intelligence agency spared no effort to conduct cyber attacks on Northwestern Polytechnical University, trying to spy on and steal important and sensitive data and information in related fields, stemming from its extraordinary scientific research force.