Effective 1 October, DCSA Call Center numbers will be changing. Click here for more information.

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

2023 Targeting U.S. Technologies Report now available

The foreign intelligence threat to the nation's defense industrial base has never been more capable, sophisticated or complex. Adversaries use illicit methods to acquire classified and sensitive information and technologies, which can...

11/1/2023

CAS Call Center now accepting Industrial PCL inquiries

Effective October 1, 2023, the DCSA Consolidated Adjudication Services (CAS) Call Center will provide information and/or assistance regarding industrial personnel security clearances and status inquiries to Industry Facility Security...

10/4/2023

DCSA holds Transfer of Authority ceremony

The Defense Counterintelligence and Security Agency (DCSA) bid farewell to Director William K. Lietzau in a ceremony today at the National Museum of the Marine Corps. The event reflected on Lietzau's tenure at DCSA and the role of the...

9/28/2023

NISPPAC promotes the importance of National Background Investigation Services

As part of a recent National Industrial Security Program Policy Advisory Committee (NISPPAC) meeting, the NISPPAC shared a video recording of Ike Rivers, chief security officer at the Institute for Defense Analyses. Rivers spoke about the...

9/27/2023

See All News & Publications