FBI Director James Comey says investigators haven't yet determined who was responsible for a massive cyberattack on Sony Pictures Entertainment. Comey told reporters Tuesday that "we're not at that point yet" to assign responsibility. The recent breach disrupted the movie studio's computer system, leaked unreleased movies on the Internet and exposed private information about Sony employees and celebrities. Comey said before investigators determine who is behind a breach, they like "to sort the evidence in a very careful way to arrive at a level of confidence." Earlier Tuesday, at a conference, the FBI's assistant director for the cyber division said, "There is no attribution to North Korea at this point."
Some have speculated that North Korea instigated the attacks in retaliation for the upcoming movie "The Interview," a comedy starring Seth Rogen and James Franco about an assassination attempt on that country's leader, Kim Jong Un. North Korea recently released a statement denying responsibility, but also harshly condemning the movie. An FBI spokesman said FBI representatives planned to meet with Sony employees on Wednesday to provide them training in cybersecurity practices,
— The Associated Press, Reuters and NBC News staff