The designs for more than two dozen major weapons systems used by the United States military have fallen into the hands of the Chinese, US Department of Defense officials say. Cyber tension flares between the US and China, as president Obama gets set to confront Chinese leader Xi Jingping over hacker attacks on American military networks. How important should countries take defending their online infrastructure? Former Pentagon official Michael Maloof talks to RT. READ MORE: http://on.rt.com/5nbek8
'China cyber threat enormous, targets US critical infrastructure'