Armed conflicts and attacks
The internet in North Korea becomes functional again after nine hours without access. (CNN)
Korea Hydro & Nuclear Power says that its computer systems have been hacked. (Sydney Morning Herald)
The death toll from the bombings in the Nigerian cities of Gombe and Bauchi reaches at least 37. (Bloomberg)
Insurgency in Northeast India:
Attacks on villages in the Indian state of Assam kill dozens of people. Suspicion falls on the insurgents of the National Democratic Front of Bodoland. (NDTV)(Euronews)(Al Jazeera)
As a result, India imposes curfew on parts of Assam. (NBC News)
Sony Pictures Entertainment hack
Sony schedules the film The Interview for release to small theaters on Christmas Day despite canceling its debut. (Florida Times-Union)