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Science and Technology

Last Updated: | Blog

Growing Our R&D-Based Innovations through Partnership

Acting Under Secretary for Science and Technology Julie Brewer outlines her goals for S&T innovations in 2025.

Last Updated: | Press Releases

Feature Article: Enhancing the Safety of Firefighters and the Public

S&T’s National Urban Security Technology Laboratory and the Big City Fire Working Group are introducing electric vehicle-related safety improvements to the National Electrical Code.

Last Updated: | Publication

DHS-FCC Joint Jammer Infographic

DHS and the FCC have released a Joint Jammer Infographic that informs public safety officials of the effects of jamming and suggested mitigation tactics, and outlines how to report suspected jamming to the FCC.

Last Updated: | Publication

HS-POWER Fact Sheet

DHS S&T OUP sponsors the HS-POWER Program. Appointments are 10-week periods conducted in-person or virtually from June through August. Graduate and undergraduate students participate in paid research opportunities within homeland security-related areas. Open season for applications begins in September and ends in December for internships commencing in May of the following year.

Last Updated: | Site Page

Julie Brewer

On January 11, 2025, Ms. Julie Brewer assumed the role of Acting Under Secretary for the Department of Homeland Security (DHS), Science and Technology Directorate (S&T). As the scientific, technical and engineering core of expertise for the Department, S&T is a direct science adviser to the Homeland Security Secretary, DHS Components, and the nation’s first responders. S&T is responsible for identifying operational gaps, conceptualizing art-of-the-possible solutions, and delivering operational results that improve the security and resilience of the nation. Recently, Ms. Brewer served as the Deputy Under Secretary of S&T, overseeing the organizational needs of the $1 billion, 1500-person Directorate. 

Last Updated: | Site Page

OSLLE Webinar Series

To help share timely information and resources on relevant homeland security topics with our SLTTC law enforcement partners, OSLLE has established a webinar series. This page shares information on that program.

Last Updated: | Blog

Exploring how Artificial Intelligence (AI) can Enhance DHS Operations

This Webinar will delve into how AI is being prioritized in the Department-wide Innovation, Research and Development Strategic plan.

Last Updated: | Publication

Impacts of Adversarial Use of Generative AI on Homeland Security

This report assesses the technologies used to create and propagate digital content forgeries and describes their evolution; assesses how these technologies may be used by foreign governments and non-governmental entities to weaponize digital content forgeries; discusses impacts from weaponized digital content forgeries with special consideration for homeland security missions; and, describes risk-reduction strategies to counter and mitigate these threats.

Last Updated: | Press Releases

Feature Article: Reimagining Imaging at the Airport

S&T and Transportation Security Administration are collaborating on Advanced Imaging Technology to improve the passenger screening experience.

Last Updated: | Publication

ADAC-ARCTIC Fact Sheet

ADAC-ARCTIC’s expert researchers develop, test and evaluate research that addresses critical gaps in Arctic homeland security, supporting interdisciplinary work that aims to tackle complex challenges such as environmental monitoring, maritime safety, infrastructure protection and emergency response.