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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DCSA Personnel Security mission reorganizes as new Personnel Vetting directorate


QUANTICO, Va. – Defense Counterintelligence and Security Agency Director David M. Cattler approved the reorganization of DCSA’s Personnel Security directorate into the new Personnel Vetting directorate with a focus on effective and efficient delivery of the end-to-end personnel vetting mission for...

DCSA prepares for security training URL migration


LINTHICUM, Md. - By the end of June, the Defense Counterintelligence and Security Agency (DCSA) will transition the Security Training, Education, and Professionalization Portal (STEPP) and the Security Awareness Hub (SAH) platforms to new URLs under DCSA owned domains.URL changes will not impact the...

CDSE: Developing tomorrow's security leaders through advanced education


LINTHICUM, Md. – The Education Division, within the Center for Development of Security Excellence (CDSE), builds future security leaders as the premier provider of online higher education for the Department of Defense (DOD) and the U.S. government security community.As part of the Security Training...

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DCSA Personnel Security mission reorganizes as new Personnel Vetting directorate Story
DCSA prepares for security training URL migration Story
CDSE: Developing tomorrow's security leaders through advanced education Story
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QUANTICO, Va. – Defense Counterintelligence and Security Agency Director David M. Cattler approved the reorganization of DCSA’s Personnel Security directorate into the new Personnel Vetting directorate with a focus on effective and efficient delivery of the end-to-end personnel vetting mission for...

  • June 30, 2025
DCSA LOGO

LINTHICUM, Md. - By the end of June, the Defense Counterintelligence and Security Agency (DCSA) will transition the Security Training, Education, and Professionalization Portal (STEPP) and the Security Awareness Hub (SAH) platforms to new URLs under DCSA owned domains.URL changes will not impact the...

  • June 23, 2025
DCSA LOGO

LINTHICUM, Md. – The Education Division, within the Center for Development of Security Excellence (CDSE), builds future security leaders as the premier provider of online higher education for the Department of Defense (DOD) and the U.S. government security community.As part of the Security Training...

  • June 20, 2025
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News & Publications

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DCSA Personnel Security mission reorganizes as new Personnel Vetting directorate

QUANTICO, Va. – Defense Counterintelligence and Security Agency Director David M. Cattler approved the reorganization of DCSA’s Personnel Security directorate into the new Personnel Vetting directorate with a focus on effective and efficient delivery of the end-to-end personnel vetting mission for...

June 30, 2025

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DCSA prepares for security training URL migration

LINTHICUM, Md. - By the end of June, the Defense Counterintelligence and Security Agency (DCSA) will transition the Security Training, Education, and Professionalization Portal (STEPP) and the Security Awareness Hub (SAH) platforms to new URLs under DCSA owned domains.URL changes will not impact the...

June 23, 2025

DCSA LOGO

CDSE: Developing tomorrow's security leaders through advanced education

LINTHICUM, Md. – The Education Division, within the Center for Development of Security Excellence (CDSE), builds future security leaders as the premier provider of online higher education for the Department of Defense (DOD) and the U.S. government security community.As part of the Security Training...

June 20, 2025

Jennifer C. Walsh, Performance Improvement Officer, Director, Administration and Management, presents a Spirit of Service Recognition award to Dianna M. Wilson during the Department of Defense Spirit of Service ceremony, a celebration of public service at the Pentagon, Arlington, Va., May 7, 2025. (U.S. Army photo by Mr. Leroy Council)

DCSA Personnel Security Specialist honored with DoD award

Each spring, during Public Service Recognition Week, the Pentagon pauses to spotlight a few extraordinary individuals whose quiet, steady dedication often goes unseen. This year, among those recognized is Dianna Wilson, a Personnel Security Specialist at the Defense Counterintelligence and Security...

June 16, 2025

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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

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