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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News & Publications

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

DCSA updates NISP contractor Continuous Vetting process

The Defense Counterintelligence and Security Agency (DCSA) has announced important changes to its personnel vetting process, superseding previous guidance from August 2022 and reflecting updates from DISS Release 14.5.Under the new policy,...

5/19/2026

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

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