We are the Science and Technology Directorate. Learn how we do the science to strengthen the nation's security.
S&T's 2022 Overview Video
3D X-Ray Makes it Easier to Detect Hidden Explosives
Homeland Security Startup Studio
July 13 | 1: 00 - 4;30 p.m. ET
Keynote, Pitches and Networking
SVIP Topic Call: Software Supply Chain Visibility Tools Industry Day Webinar
July 14, 2022 | 9:30 – 11:30 a.m. PT
Unmanned Vehicles Could Lead the Way in Dangerous Rescue Situations
In Their Own Words
Firefighters share stories about POINTER—why it is vital, how it works, and how the technology will save lives.
News & Updates
Innovation is the driving force behind the work we do at S&T. Because potential solutions may exist outside the homeland security arena, S&T casts a wide inclusive net to find and use the best technologies. Whether you are a small or large business, academia, or start-up, we want you to help us innovate and advance homeland security solutions! See programs and tools
We Do the Science
S&T's Office of National Laboratories provides a network of laboratory capabilities aligned to enduring and strategic mission needs of DHS. The laboratories are instrumental in addressing the dynamic threat environment in areas such as chemical security analysis, biological forensics and threat characterization, first responder technology evaluations, animal agriculture defense, and detection science. Visit National Labs