WSJ has some reasons to suspect North Korea: http://online.wsj.com/articles/more-signs-north-korea-may-be-behind-hacking-of-sony-pictures-1417467267 http://onl

WSJ has some reasons to suspect North Korea: http://online.wsj.com/articles/more-signs-north-korea-may-be-behind-hacking-of-sony-pictures-1417467267 http://online.wsj.com/articles/more-signs-north-korea-may-be... But I think most of the media pretty much just reads the news, press releases, and their social media feeds to write their articles.