Cognizant Security Agency (CSA) means agencies of the Executive Branch that have been authorized by E.O. 12829 to establish an industrial security program for the purpose of safeguarding classified information under the jurisdiction of those agencies when disclosed or released or released to U.S. industry. These agencies are the Department of Defense, the department of Energy, the Central Intelligence Agency, and the Nuclear Regulatory Commission. A facility has a CSA which exercises primary authority for the protection of classified information at the facility. The CSA for the facility provides security representation for other government agencies with security interests at the facility. The Secretary of Defense has been as Executive Agent for the National Industrial Security Program.