The Chinese Foreign Ministry has made solemn representations to the U.S. Embassy in China regarding the U.S. cyber attack on China's Northwestern Polytechnical University.

It came after China's National Computer Virus Emergency Response Center (CVERC) and cybersecurity company 360 on Monday respectively released investigation reports on the attacks on Northwestern Polytechnical University from the U.S. National Security Agency (NSA), which showed that the NSA-affiliated TAO mounted hundreds of thousands malicious cyber attacks targeting Chinese objectives.

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The relevant facts are clear and evidences are irrefutable, Director-General of the Department of North American and Oceanian Affairs of the Chinese Foreign Ministry Yang Tao pointed out in a statement released on the ministry's website, stressing this is not the first time the U.S. government has carried out cyberattacks and stolen sensitive information from Chinese institutions.

Yang noted the U.S. actions seriously infringe the technical secrets of the relevant Chinese institutions and seriously endanger the security of China's critical infrastructure, institutional and personal information.

The official urged the U.S. to immediately stop its moves.