It was obviously NK. With the exception of some kind of false flag scheme they are the only org that cares enough to go to this much work over the release of the film.
Let's not forget that KJU is literally supreme dictator for life there. His people are among the most poverty stricken in the world, in some part because he hoards the nation's domestic product for himself. It's absolutely in line with his prior actions to train or obtain some talented hackers and have them break into Sony and issue threats simply because he feels that his image is being damaged. All of his power is built around ensuring that his people consider him tantamount to a living god.
Objection, Your Honor. He's reciting the opening to Quantum Leap.
Last edited by HexRei : 12-18-2014 at 03:21 PM.