Sen. Susan Collins said Monday that she supports “more robust enforcement” of sanctions against North Korea and potentially adding the country to the list of state sponsors of terrorism in response to the alleged hacking of Sony Pictures.

Collins, a member of the Senate Intelligence Committee, doesn’t consider Sony’s targeting “an act of war,” but the Maine Republican added that “does not diminish the severity of the cyberattack, blackmail, and coercion perpetrated by North Korea.” President Obama has likewise steered clear of calling the reported hacking a war act, describing it instead as “cybervandalism” that merited a U.S. response of some kind.

“In addition to strengthening our cybersecurity at home, I would encourage the administration to seriously consider more robust enforcement of existing sanctions by pursuing individual banks that North Korea’s ruling elite works with externally in China or elsewhere,” Collins said in a statement to the Portland Press Herald. “Such actions would send a strong, clear message to the North Korean regime and help deter future cyberattacks against the United States or the companies that operate here.”

Maine Sen. Angus King, who also serves on the 15-member Senate Intelligence Committee, could not be reached for comment Monday because his staff said he was traveling for the holidays. But in a statement he made to Maine media last week and in an interview with CNN, King said that he fully supported Obama’s decision “to respond in a proportional manner on a time line of our choosing because we cannot give into intimidation and threats.”

Like Collins, King said the Sony incident highlights the need for Congress to pass stronger cybersecurity legislation.

“We’re focusing on North Korea, but there are other countries around the world that have this capacity and that are using it, sometimes just for good old theft of intellectual property and sometimes money,” King told CNN’s Wolf Blitzer. “But the national security implications of this are extreme. I mean, I don’t want to scare people, but this is something that we have to attend to.”

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