Accusations by a U.S. computer security company that a secretive Chinese military unit is likely behind a series of hacking attacks are scientifically flawed and hence unreliable, China said on Wednesday.
The statement came after the White House said overnight that the Obama administration has repeatedly taken up its concerns about cyber-theft at the highest levels of the Chinese government,
The security company, Mandiant, identified the People's Liberation Army's Shanghai-based Unit 61398 as the most likely driving force behind the hacking. Mandiant said it believed the unit had carried out "sustained" attacks on a wide range of industries.
(Read More: Hackers Doing No Favors for China's Image)