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

Industry transition to DISS for Initiate and Review (I/R) functionality

The Defense Counterintelligence and Security Agency (DCSA) has released two new training videos on STEPP to prepare defense industry partners for the upcoming transition to the Defense Information Systems for Security (DISS) for Initiate...

8/4/2026

Role-based certification pilot evolves security workforce

The Center for Security Excellence (CDSE) launched the Role-Based Certifications (RBC) program, evolving the Security Professional Education Development (SPēD) initiative. The new Department of War (DoW) training sets a benchmark for the...

7/1/2026

DCSA, industry partners strengthen ties at NCMS Seminar

ATLANTA, Ga. – The Defense Counterintelligence and Security Agency (DCSA) demonstrated its commitment to customer partnership and service improvement at the 2026 NCMS Annual Training Seminar, June 8 - 11.Representatives from DCSA’s Office...

6/29/2026

DCSA announces 2026 Virtual Security Conference

The Defense Counterintelligence and Security Agency (DCSA) will host the 2026 Virtual DCSA Security Conference from Sept. 14-18.The annual event serves as one of the premier security forums for government and industry security professionals...

6/8/2026

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