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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 launches survey to enhance applicant experience with electronic forms

Quantico, Va. - The Defense Counterintelligence and Security Agency (DCSA) is committed to providing a seamless customer experience for all applicants navigating our electronic forms and applications. To support this commitment, DCSA launched a new survey to gather valuable feedback from applicants...

June 12, 2025

View DCSA announces 2025 Donnelly Award winners

QUANTICO, Va. – The Defense Counterintelligence and Security Agency (DCSA) is pleased to announce the winners of the 2025 Jack Donnelly Award for Excellence in Counterintelligence. Four facilities were selected for the award, and the winners were announced at the annual NCMS training seminar on June...

June 11, 2025

View DCSA announces 2025 Cogswell Award winners

The Defense Counterintelligence and Security Agency (DCSA) is pleased to announce the winners of the 2025 James S. Cogswell Outstanding Industrial Security Achievement Award. Fifteen facilities were selected for the award, and the winners were announced at the annual NCMS training seminar on June...