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

 

Learn More About Our Mission

News & Publications

Continuous Vetting updates with DISS release 14.5

The Defense Counterintelligence and Security Agency (DCSA) implemented a change to the Defense Information System for Security (DISS) on April 2, which introduced the new "unenrolled" Continuous Vetting (CV) status/process. The change is...

5/19/2026

Billing support portal available for customers

QUANTICO, Va. – DCSA’s Office of the Chief Financial Officer (OCFO) has officially deployed the Billing Support Portal, a new streamlined interface hosted on the secure DCSA Government Service Portal that enables DCSA’s working capital fund...

5/18/2026

PAE delivers Keynote at AFCEA

ALEXANDRIA, Va. – The Portfolio Acquisition Executive - Trusted Innovation for Defense Counterintelligence and Security Agency (DCSA), Robert Schadey, served as one of the keynote speakers during Armed Forces Communications and Electronics...

5/11/2026

Joseph M. Tonon named Director of the Defense Counterintelligence and Security Agency

QUANTICO, Va. – The Department of War has selected Joseph M. Tonon, Ph.D. as the next Director of the Defense Counterintelligence and Security Agency.As Director, Dr. Tonon will lead the agency’s core responsibilities focused on...

5/6/2026

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