FILE - In this photo from Dec. 2, 2014, cars enter Sony Pictures Entertainment headquarters in Culver City, Calif. Hackers calling themselves Guardians of Peace on Tuesday, Dec. 16, 2014 released another round of data leaks, including ominous threats against the premiere of Sony Pictures' film "The Interview," in which the group references the terrorist attacks of September 11, 2001. (AP File Photo/Nick Ut)

FBI blames North Korea for Sony hack

WASHINGTON (AP) — The Obama administration on Friday formally accused North Korea’s government of being responsible for the dramatic hacker …