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Research

PIRUS: Mass Casualty Extremist Offenders with U.S. Military Backgrounds

Research

PIRUS: Comparing Violent and Non-Violent Offenders

Research

Terrorist Attacks on US Coalition Supply Convoys and Bases in Iraq

Research

Government Responses to Asymmetric Threats: The State of the Literature on Counterinsurgency from 2002 to 2022

Research

Impact Assessment: U.S. Assistance to Ukraine in the Information Space: Intelligence, Cyber, and Signaling

Research

Impact Assessment: U.S. Military Training Assistance to Ukraine

Research

PIRUS Dataset Launches Major Update Adding 955 Subjects to the Database

Data

Capitol Insurrection Network Map

Data

Extremism in the Ranks and After

Training

Master of Professional Studies (MPS) in Security and Terrorism Studies

Education & Training

START is an investment in the human capital of the homeland security enterprise. We bring cutting-edge research into undergraduate, graduate, and professional classrooms, and we incorporate students of all levels into our real-world, policy-relevant research agenda. Learn More

Data & Analysis

One of START’s unique contributions to the national security enterprise is our creation and dissemination of objective data and tools. These factual baselines provide a scientific foundation for knowledge building and formulating sound counterterrorism policy and practice. Learn More

Policy & Practice

Real-world problems rarely fit within any one academic discipline and cannot be addressed without insight from the field. START leverages multidisciplinary expertise and practitioner input to be of use in the real-world. Learn More

Major update to PIRUS dataset adds 955 U.S. subjects from 2019-2021

Major update to PIRUS dataset adds 955 U.S. subjects from 2019-2021

New data map illustrates connections between January 6th defendants and extremist groups

START Director to co-lead anti-hate discussions at the White House, worldwide summit

UMD Report: Conspiracy theories fueled more terror attacks in 2020

START researchers present on the impact of climate change on terrorism

Welcoming interns back in person at START

Academic Programs

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Prospective
Undergraduate Students

Prospective
Graduate Students

Opportunities
Professional Development

All education programs

Oct 19, 2023

Virtual Information Session: MPS in Security and Terrorism Studies & Graduate Certificate in Terrorism Analysis (10/19)

Oct 12, 2023

Virtual Information Session: Global Terrorism Studies Minor Program (10/12/23)

View all events

A first-of-its-kind database from START examines the characteristics, motivations, and behaviors of individuals who committed hate crimes in the United States. Check out the Bias Incidents and Actors Study (BIAS).

START's new podcast series, Terrorism 360, features scholars shaping the study of terrorism and the creation of counterterrorism policy. Listen now.

Terrorism 360 Podcast

Use the Influencing Violent Extremist Organizations Knowledge Matrix known as IVEO to see 83 different hypotheses.

Access and search START's Global Terrorism Database (GTD), which includes more than 150,000 terrorist events worldwide from 1970 through 2015.