Amid North Korea threat, commission official calls for clarity on cyber attack responses

Policymakers should designate cyber and electromagnetic pulse attacks targeting the U.S. electric grid as attacks by weapons of mass destruction, which would justify an array of pre-emptive and retaliatory responses crafted to stymie growing aggression from North Korea, according to an official with a congressional advisory panel.

During a House Homeland Security subcommittee hearing Thursday on North Korean threats, Peter Pry, chief of staff for the congressional Commission to Assess the Threat to the United States from Electromagnetic Pulse Attack,...