he wrote a memo to the president on cyber security. this is someone who's been in washington a long time. how did he fall victim? >> he fell victim the way many of us have for a sophisticated fishing e-mail. the -- there were many people in the clinton campaign who received this e-mail. he was one of the few who did not have on his system what's called two-factor authentification which is the method that where before you sign in a code is sent back to your cell phone or some other way of assuring it's really you and i would say to your viewers that if there's one lesson out of our 7,000 word thing -- >> i just did it myself. >> after they've done watching you on cnn make sure they get the two factor authentification. >> why do you think the white house didn't do more to sound the alarm? >> this was complicated for the white house. in the sony hack two years ago the president came down into the press room, he announced it was the north koreans who did the