staggering number of attacks, tracked here in the nsa's cybercommand center. >> how many cyberattacks do you see a day here? if you had to quantify. >> if you had to quantify, hundreds and thousands. >> and it gets worse. cyberattacks happening at lightning speed so the nas has to put up defenses just as fast. >> the fastest we've ever done that is ten minutes from start to finish, got the threat and put the defense up. >> ten minutes? >> ten minutes. >> incredible. >> the cyberintruders are getting faster, smarter. china suspected in the largest theft of u.s. personal information. russia believed to be behind the hacking of whouz e-mail. and now terrorists such as al qaeda and isis have learned how to disappear from u.s. electronic surveillance completely. >> is it true that terrorists or add ver sar rees can go