Chinese cyber attacks could take down US infrastructure

MAJOR THREAT: NSA director Michael Rogers says China could wreak havoc in the US by shutting down its computer systems

WASHINGTON: China and "probably one or two" other countries have the ability to invade and possibly shut down computer systems of US power utilities, aviation networks and financial companies, Admiral Mike Rogers, the director of the US National Security Agency (NSA), said.

Testifying to the House of Representatives Intelligence Committee on cyber threats, Rogers said digital attackers have been able to penetrate such systems and perform "reconnaissance" missions to determine how the networks are put together.