Science and Technology About S&T

About S&T

Technology and threats evolve rapidly in today’s ever-changing environment. The Department of Homeland Security (DHS) Science and Technology Directorate (S&T) monitors those threats and capitalizes on technological advancements at a rapid pace, developing solutions and bridging capability gaps at a pace that mirrors the speed of life. S&T’s mission is to deliver effective and innovative insight, methods and solutions for the critical needs of the Homeland Security Enterprise.

Created by Congress in 2003, S&T conducts basic and applied research, development, demonstration, testing and evaluation activities relevant to DHS.Team members talk in a server room


S&T strives to address current capability gaps while preparing for future challenges. Projects are organized into six primary focus areas that directly support DHS components, as well as federal, state, and local first responders:

  • First Responders: Expanding first responder capabilities and improving their effectiveness, efficiency and safety.
  • Borders and Maritime Security: Enhancing security at our nation’s borders and waterways without impeding the flow of commerce.
  • Cybersecurity: Contributing to a safe, secure and resilient cyber environment.
  • Chemical and Biological Defense: Detecting, protecting against, responding to and recovering from chemical and biological incidents.
  • Explosives: Protecting citizens and infrastructure from the devastating effects of explosives.
  • Resilience: Improving the nation’s preparedness for natural and man-made catastrophes.

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