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, has warned.

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

“What concerns us is that access, that capability, can be used by nation-states, groups or individuals to take down that capability,” he said.

Rogers said China was one of the countries with that capability, but that there were others.

“There’s probably one or two others,” he said, declining to elaborate in a public setting.

Chinese foreign ministry spokesman Hong Lei said the Chinese government “forbids” cyberhacking and that it is often a victim of such attacks that originate from the United States.

“The Chinese government resolutely cracks down on these activities. This reality is irrefutable,” Hong told reporters at a regular press briefing… see more

source: times of india