President Obama has said the U.S. could re-designate North Korea as a state sponsor of terrorism due to its role in the cyber-attack on Sony.

In an interview with CNN broadcast on Sunday, Obama fell short of calling the hack an act of war, instead classifying the attack as cyber vandalism that was “very expensive” for Sony Pictures, and that he would review the DPRK’s place on the list of state sponsors of terrorism.

“We have got very clear criteria as to what it means for a state to sponsor terrorism, and we don’t make those judgments just based on