Technical Research and Analysis Services

The Homeland Defense & Security Information Analysis Center (HDIAC) is a component of the U.S. Department of Defense’s Information Analysis Center (IAC) enterprise.

What We Do

As a DoD IAC, we provide a number of resources and services to help you in your research and provide you with focused expert assistance and unbiased scientific and technical information.

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Recent Inquiries

COVID-19 Delta Variant

HDIAC received a technical inquiry on the transmissibility of the SARS-CoV-2 delta variant and the efficacy of vaccines against those variants. Initial research has shown that the SARS-CoV-2 delta variant (B.1.617.2 lineage) is 43%-60% more…

Water and Food Safety From Chemical, Biological, Radiological, and Nuclear (CBRN) Threats

On June 23, 2021, HDIAC received a technical inquiry to research the concept of food fraud as an avenue of approach for CBRN agents.  The results would be used to inform the larger community of…

Decontamination or Contamination Mitigation Using Zirconium Hydroxide

On May 17, 2021, the Homeland Defense and Security Information Analysis Center (HDIAC) received a technical inquiry through the HDIAC website,, which asked for information on decontamination or contamination mitigation using zirconium hydroxide. The…


Feature Article: S&T Leading the Way in Adapting to Climate Change and Building Community Resilience

According to the United States Global Change Research Program, more frequent and intense extreme weather, and climate-related events, as well as changes in average climate conditions, are expected to continue to damage infrastructure, ecosystems, and social…

CISA and FBI Launch Operation Flashpoint to Raise Awareness About How to Prevent Bomb Making

CLINTON, Miss. – The U.S. Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency (CISA) and the Department of Justice’s Federal Bureau of Investigation (FBI) announced a new pilot program today called “Operation Flashpoint” to build awareness in…

Soldiers, Marines Test New Chemical, Biological Systems at Dugway

Soldiers and Marines tested the Joint Biological Tactical Detection System (JBTDS) and the Contamination Indication Disclosure Assurance System (CIDAS) at Dugway Proving Ground, UT. Data collected during testing will be used to inform senior Army…

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