Since late afternoon on Christmas Eve, both Sony's PlayStation Network and Microsoft's Xbox Live have been intermittently down.
There are reports that a hacker group named Lizard Squad is behind this attack.
North Korea is experiencing widespread Internet outages. One expert says the country's online access is "totally down."
The North Carolina Department of Transportation says the FBI is looking into a group that hacked into at least five digital road signs yesterday, including one in New Hanover County.