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America's Gatekeeper

DCSA is the largest security agency in the federal government dedicated to protecting America's trusted workforce and trusted workspaces.

Each year, DCSA services over

100+ federal entities
10,000+ cleared companies
2M+ background investigations

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Agency News

View DCSA Toastmaster Clubs celebrate anniversary, distinguished status, mission impact

What is the common denominator among DCSA employees reporting tremendous strides in their public speaking capabilities, positively impacting the agency’s national security vision and mission? It’s Toastmasters International. Their reports and testimonials coincide with the DCSA virtual Toastmasters...

July 22, 2025

View DCSA hosts annual Virtual Security Conference for DOD

QUANTICO, Va. – The Defense Counterintelligence and Security Agency (DCSA) is announcing the Virtual DCSA Security Conference for the Department of Defense (DOD) on Aug. 26-28, 2025. Registration for this online conference is now live.This year’s theme is “Mission and Security Integration:...

July 22, 2025

View DCSA Announces Director’s Retirement

DCSA Director David M. Cattler speaks at the Inaugrual NIPS Signatory Conference with Assistant Director for Industrial Security Mr. Matt Redding in McLean, Va., Aug. 1, 2024 (DOD Photo by Christopher P. Gillis).

QUANTICO, Va. – The Defense Counterintelligence and Security Agency (DCSA) announces the retirement of Director David M. Cattler, effective September 30, 2025. As Director, Cattler leads the United States Government’s premier organization of approximately 15,000 federal and contract support...