CNN The Situation Room May 28, 2013 22:04:00
It is intended to go. >> reporter: they haven't responded to calls and e-mails about the report, but the chinese government repeatedly insisted it doesn't conduct cyber espionage on u.s. agencies or companies. >> the chinese, though, apparently have done this for years. you have been speaking to and lists and experts. how can the u.s. stop it? >> experts say there's no way to completely stop them. what top defense contractors have to do, reduce the target area in cyberspace, a lot are good at doing that. if they sense a breach, pounce or it, limit the impact. >> the u.s. spends billions or tri...