
Equipment made by the two biggest Chinese telecommunications manufacturers secretly sends data back to China and has flaws that allow hackers to infiltrate computer and phone networks, according to details of a scathing new congressional report issued Monday.
American companies should avoid doing business with China's two leading technology firms because they pose a national security threat to the U.S., the House Select Committee on Intelligence is warning in a report to be issued Monday.

A Pentagon report has found that a multibillion-dollar Chinese telecommunications company that has been seeking to make major inroads in the U.S. market has close ties to China's military, despite the company's denials.

A U.S. supercomputer laboratory engaged in classified military research concluded a recent deal involving Chinese-made components that is raising concerns in Congress about potential electronic espionage.