North Korea Behind Massive Cyber Attack Against Sony, Feds Say

North Korean leaders ordered the attack against Sony Pictures Entertainment, the U.S, Justice Department is expected to announce as early as tomorrow, sources tell Deadline. The attack that began November 24, and continued to unfold nearly daily, came to a climax today with Sony cancelling the scheduled December 25 release of The Interview. A mysterious group calling itself Guardians of Peace had claimed credit for the attack on the studio over the movie -- a comedy about…