Sony Pictures was hit by a large scale hack from a group calling themselves the “Guardians of Peace” or “GOP” and demanded the cancellation of the planned release of the movie The Interview. The movie depicts an assassination mission with Kim Jong-un as the target.
Shortly after the data was released the white house officially made statements that North Korea was behind the cyber attack. The U.S. government raised national security concerns while at the same time having little or no real evidence linking No. Korea. The accusations became questioned by national cyber security experts and the media. The U.S. refused to comment on doubts.
The hack was used by different U.S. officials to shine light on legislative proposals and agendas as well as promote NSA cyber security framework.
For a search of the entire leak visit wikileakes here.