The US says it has repeatedly raised concerns with Beijing about cyber theft, as a report linked a hacking group with a Chinese military unit. Read More ..
While not commenting directly on the report, a White House spokesman called cyber theft a "major challenge" in the national security arena.
The report identified a Shanghai high-rise used by the military as the likely home of a prolific hacking group.
China's Defence Ministry has denied any role in hacking.
Cyber sabotage, including hacking, was banned, China Daily quoted the ministry as saying, sentiments echoed by Foreign Ministry spokesman Hong Lei.