CNN The Situation Room December 18, 2014 22:10:00
National security matter and a response is certainly coming. the white house press secretary josh earnest declined to specify whether a foreign government is behind the hacking and the toughest rhetoric to date on this swalituation, he describede attack on movie theaters destructive with ma lesh shous intent and that the exact tea merits further action. tonight, we're also learning more about the secret nerve center for north korea cyberterror, known as bureau 121. hundreds may be working on attacks right now. cnn's kyung lah is in seoul, south korea. what are you learning? >> reporter: this i...