Department of Homeland Security (DHS) will maintain a clear understanding of their role within the national security apparatus. The agency includes Customs and Border Protection, Secret Service, the Coast Guard, Transportation Security Administration, and numerous offices dedicated to cyber and physical security missions. The most significant reliability threat to the U.S. power grid is associated with squirrels and balloons, and not a coordinated cyber-attack inspired by state-sponsored hackers. The first line of defense resides outside of government and lands squarely in the hands of private industry.”]