1,800 secret agents around the world, that it may be a much more organized attempt by north korea to try to move into this parallel war of cyber war. >> she also spoke with a defector who worked as a computer analyst for the north. listen to what he had to say about this bureau 121. >> translator: cyber attack capability is much more dangerous than nuclear weapons because often it's hard to find the attacker. at low cost an effort, north korea can cause an incredible impact on society, politically, economically and militarily. >> peter brooks is a security expert and former deputy assistant secretary of defense for asian and pacific affairs. good to have you with us, peter. >> good to be here. >> there's a lot of aspects of this that i think are particularly damaging and concerning. perhaps most chilling is if they can essentially censure us here