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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 announces approval of the updated Form 328 (Certificate Pertaining to Foreign Interests)


The Defense Counterintelligence and Security Agency has announced the updated Standard Form (SF) 328, Certificate Pertaining to Foreign Interests, approved on May 1, 2025, which includes several improvements to increase users’ clarity and understanding of the questions and subsequent requirements. ...

COE Reaffirmation of Accreditation – June 2025


The National Center for Credibility Assessment will be applying for reaffirmation of its accreditation with the Commission of the Council on Occupational Education (COE) in June 2025. Persons wishing to make comments regarding this action should either write to the Executive Director of the...

Behavioral mental health treatment not an automatic disqualifier for security clearance


[Editor’s Note:  May is Mental Health Awareness Month, a time to raise awareness about mental health, which is an important part of a person’s overall health.] It is estimated that more than one in five U.S. adults live with a mental illness (59.3 million in 2022; 23.1% of the U.S. adult...

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DCSA announces approval of the updated Form 328 (Certificate Pertaining to Foreign Interests) Story
COE Reaffirmation of Accreditation – June 2025 Story
Behavioral mental health treatment not an automatic disqualifier for security clearance Story
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The Defense Counterintelligence and Security Agency has announced the updated Standard Form (SF) 328, Certificate Pertaining to Foreign Interests, approved on May 1, 2025, which includes several improvements to increase users’ clarity and understanding of the questions and subsequent requirements. ...

  • May 9, 2025
DCSA LOGO

The National Center for Credibility Assessment will be applying for reaffirmation of its accreditation with the Commission of the Council on Occupational Education (COE) in June 2025. Persons wishing to make comments regarding this action should either write to the Executive Director of the...

  • May 6, 2025
DCSA LOGO

[Editor’s Note:  May is Mental Health Awareness Month, a time to raise awareness about mental health, which is an important part of a person’s overall health.] It is estimated that more than one in five U.S. adults live with a mental illness (59.3 million in 2022; 23.1% of the U.S. adult...

  • May 5, 2025
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News & Publications

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DCSA announces approval of the updated Form 328 (Certificate Pertaining to Foreign Interests)

The Defense Counterintelligence and Security Agency has announced the updated Standard Form (SF) 328, Certificate Pertaining to Foreign Interests, approved on May 1, 2025, which includes several improvements to increase users’ clarity and understanding of the questions and subsequent requirements. ...

May 9, 2025

DCSA LOGO

COE Reaffirmation of Accreditation – June 2025

The National Center for Credibility Assessment will be applying for reaffirmation of its accreditation with the Commission of the Council on Occupational Education (COE) in June 2025. Persons wishing to make comments regarding this action should either write to the Executive Director of the...

May 6, 2025

DCSA LOGO

Behavioral mental health treatment not an automatic disqualifier for security clearance

[Editor’s Note:  May is Mental Health Awareness Month, a time to raise awareness about mental health, which is an important part of a person’s overall health.] It is estimated that more than one in five U.S. adults live with a mental illness (59.3 million in 2022; 23.1% of the U.S. adult...

May 5, 2025

Polygraph training with DCSA

DCSA polygraph, a step closer to a more trusted workforce

The room was quiet, all that could be heard was the click of the mouse. I could feel my heartbeat through my arm from the pressure of the cuff that enveloped my arm. “Please sit still and face forward,” the polygrapher said to me. I try to steady my breathing and get focused. “The test will now...

April 29, 2025

DCSA Deputy Director Daniel Lecce and Central Region leadership meet for the Oklahoma City bombing Memorial service in Oklahoma City, April 19th, 2025. This marked the 30th anniversary of the Oklahoma City bombing of the Alfred P. Murrah building on April 19th, 1995. DCSA Leadership from Headquarters and Central Region attended the ceremony and met with family members of those lost from DSS in the bombing. (DoD Photo by: Philip Steiner)

Oklahoma City Bombing 30th Anniversary – A DCSA Special Agent’s reflection

OKLAHOMA CITY – Retired Defense Counterintelligence and Security Agency (DCSA) Special Agent Susan Murphy attended the memorial service on the 30th anniversary of the Oklahoma City bombing in remembrance of the 168 lives lost and those who survived the horrific terror attack on the Alfred P. Murrah...

April 23, 2025

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