After FBI Director James Comey said in an interview that Chinese cyber criminals are attacking United States companies costing the government billions of dollars in damages, the Chinese government said Sunday that Comey's statements were an "unjustified fabrication of facts."

China and the U.S. have verbally been at each other's throats over the last few years, with both nations saying the other is dynamically busy in stealing secrets and hacking. Five Chinese military officers were charged by the U.S. with criminal charges earlier in the year for supposedly hacking companies based in the U.S. Although China rejected the accusations, the U.S. said it has evidence and aims to bring the hackers to justice, which has not happened so far.

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In the briefing, the Chinese spokesman claimed other countries were under wide-spread cyber attacks carried out by the U.S.

"We also demand that the U.S. side cease its large-scale systematic Internet attacks on other countries," said Chinese Foreign Ministry spokesman Hong Lei, according to Reuters. "The United States tries to divert attention by crying wolf. This won't succeed."

The U.S. has denied any transgressions and remained quiet about the its cyber activities.

Meanwhile, an antitrust probe by the Chinese government has targeted one of the U.S. companies present in the country.

Chinese government said that Satya Nadella, the chief executive officer of Microsoft,  has promised to fully cooperate with authorities in their investigation.

The Redmond-based company has been caught up in an anti-monopoly investigation initiated in the summer by China's State Administration for Industry and Commerce. This regulator has already confiscated items it deems incriminating from a number of Microsoft's offices across the country. It has also called in high-level execs for interrogation.

Nadela, who became leader of the world's largest software company earlier in February, met with Zhang Mao, SAIC chief, on Friday in Beijing in what was billed as a peacemaking encounter by the SAIC, one of the three antitrust entities.

Information requested by investigators will be turned over by Microsoft in a timely fashion. The  tech firm is positive the government's examination will be just and transparent, Nadella told Zhang, according to an article posted on SAIC's web page.

TagsChinese hackers, hacking, cybercrime, us china cyber security issues, china cybersecurity issues, internet spies, internet security, US-China relations