DCSA services over 100 federal entities, oversees 10,000 cleared companies, and conducts approximately 2 million background investigations each year.

The agency was originally established as the Defense Investigative Service and was created on January 1, 1972.

DCSA administers the NISP on behalf of the Department of Defense and 35 other federal agencies.

DCSA provides oversight to approximately 10,000 cleared contract companies to ensure they are adequately protecting facilities, personnel, and associated Information Technology systems from attacks and vulnerabilities.

US military investigative organizations Media related to Defense Security Service at Wikimedia Commons