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

COE Reaffirmation of Accreditation – June 2025

The National Center for Credibility Assessment will be applying for reaffirmation of its accreditation with the Commission of the Council on Occupational Education (COE) in June 2025. Persons wishing to make comments regarding this action...

5/6/2025

Behavioral mental health treatment not an automatic disqualifier for security clearance

[Editor’s Note:  May is Mental Health Awareness Month, a time to raise awareness about mental health, which is an important part of a person’s overall health.] It is estimated that more than one in five U.S. adults live with a mental...

5/5/2025

DCSA polygraph, a step closer to a more trusted workforce

The room was quiet, all that could be heard was the click of the mouse. I could feel my heartbeat through my arm from the pressure of the cuff that enveloped my arm. “Please sit still and face forward,” the polygrapher said to me. I try to...

4/29/2025

Oklahoma City Bombing 30th Anniversary – A DCSA Special Agent’s reflection

OKLAHOMA CITY – Retired Defense Counterintelligence and Security Agency (DCSA) Special Agent Susan Murphy attended the memorial service on the 30th anniversary of the Oklahoma City bombing in remembrance of the 168 lives lost and those who...

4/23/2025

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