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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PAE delivers Keynote at AFCEA Story

Joseph M. Tonon named Director of the Defense Counterintelligence and Security Agency Story

An Important Update on our commitment to the Defense Industrial Base Story

News & Publications

DCSA's Rob Schadey at AFCEA 2026

PAE delivers Keynote at AFCEA

ALEXANDRIA, Va. – The Portfolio Acquisition Executive - Trusted Innovation for Defense Counterintelligence and Security Agency (DCSA), Robert Schadey, served as one of the keynote speakers during Armed Forces Communications and Electronics Association (AFCEA) Belvoir Industry Days, held in...

May 11, 2026

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Joseph M. Tonon named Director of the Defense Counterintelligence and Security Agency

QUANTICO, Va. – The Department of War has selected Joseph M. Tonon, Ph.D. as the next Director of the Defense Counterintelligence and Security Agency.As Director, Dr. Tonon will lead the agency’s core responsibilities focused on illuminating risk to enable decisions that advance national security...

May 6, 2026

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An Important Update on our commitment to the Defense Industrial Base

(Updated April 20, 2026) To meet the demands of an evolving national security landscape, DCSA is focusing our resources on mission-critical priorities. This requires a strategic realignment to ensure every effort directly contributes to strengthening our national security.As part of this necessary...

April 9, 2026

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DCSA launches Department of War Mentor-Protégé Program

QUANTICO, Va. – The Defense Counterintelligence and Security Agency (DCSA) is the newest agency participant in the Department of War (DOW)’s Mentor-Protégé Program. DCSA’s Office of Small Business Programs and Industry Engagements (OSBP&IE) is managing agency execution of the program.Funded through...

March 9, 2026

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DCSA launches IEP Status Tracker to enhance transparency and customer experience

QUANTICO, Va. – The Defense Counterintelligence and Security Agency (DCSA) is releasing the Individual Engagement Platform (IEP), a public-facing interface designed to improve transparency and streamline interactions between the government and individuals undergoing personnel vetting. The IEP allows...

March 6, 2026

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