right now. jenna: major banks are turning to one of the government s top intelligence agencies to protect their computer systems from cyber crooks or even worse. the collaboration has critics and our chief correspondent catherine herridge is live with a look at all of this. reporter: within days of the 9/11 attack in benghazi and other ant eye american demonstrations in the middle east a series of cyber attacks were launched against major u.s. pwa pgs. the head of the house intelligence meeting who has been briefed on the scale and intense satisfactory steve the attacks says all the data points towards iran. if you look at their pattern of behavior we new that iran had been interested in targets. it has had a nation state fingerprint and only a nation state has something this size. people can draw their own conclusions but i clear we would not rule it out. reporter: every major u.s. bank has been targeted with a denial of service attack.