CNN Anderson Cooper 360 December 19, 2014 01:19:00
Corporation. has this 121 done anything before successfully? >> yeah. south korea's government has been hot on the trail of 121 because last year, ground to a halt. the atms. every atm unable to withdraw cash. people weren't able to get money out because of malware that affected the banking system here in south korea. some of the broadcasting companies went completely dark and what they saw on their servers is a shadowy image that sony employees reported seeing, that skull and cross bones, the eerie message. that's what they saw here in south korea. the lesson from experts to the world is that...