Through partnership and innovation, safeguard our Nation's interests as the premier provider of industrial security risk management and security professional development services.


The Defense Security Service (DSS) strengthens national security at home and abroad through our security oversight and education operations. DSS oversees the protection of U.S. and foreign classified information and technologies in the hands of cleared industry under the National Industrial Security Program by providing professional risk management services. As Functional Manager for the Department of Defense (DoD), DSS provides security education, training, certification, and professional development for DoD and for other U.S. Government personnel, contractor employees, and representatives of foreign governments.