"I think it was a warning shot across the bow of Congress," he said of the executive order. "He was saying that the inaction that's going on [in Congress] is really putting the nation's critical infrastructure at risk."
In an October interview with Time, then-Secretary of Defense Leon Panetta said the United States needed to take greater action to prevent a cyber attack that can "virtually paralyze a country."
"The whole point of this is that we simply don't just sit back and wait for a goddamn crisis to happen," Panetta said. Cyber attacks have "the kind of capability that can basically take down a power grid, take down a water system, take down a transportation system, take down a financial system."