North Korea warns it will go after the White House , Congress and ` ` whole U.S. mainland '' It insists it was not involved in the Sony hack . President Obama says the attack was ` ` cybervandalism , '' not terrorism . And , in a dispatch on state media , the totalitarian regime warned the United States that its `` citadels '' will be attacked , dwarfing the hacking attack on Sony that led to the cancellation of the film 's release . But he says the U.S. will review whether to put North Korea back on list of terrorism suspects .
North Korea warns it will go after the White House , Congress and ` ` whole U.S. mainland '' It insists it was not involved in the Sony hack . President Obama says the attack was ` ` cybervandalism , '' not terrorism . But he says the U.S. will review whether to put North Korea back on list of terrorism suspects .