the attack infrastructure and they launched attacks, 98% of those were coming from china and 97% of the log-ins, using by the chinese. as a character set and you realize all of these attacks are emanating from one building in shanghai and pretty ease toy draw a conclusion based on that. >> reporter: the ranking members of the intelligence complete briefed on the cyber threat. the u.s. is losing 300 billion a year in trade secrets and techology and amounts to lost jobs for americans. >> i've never seen anything so rampant as i have both on the espionage front where nation states like china are stealing intellectual property at a breath-taking pace. >> estimated just last year that our country lost over 300 billion dollars of trade secre