Transnational Threats
Led by the Warfare, Irregular Threats, and Terrorism Program, Defending Democratic Institutions, and the Arleigh A. Burke Chair in Strategy, CSIS provides strategic thinking on the range of efforts to counter terrorist groups and their methods across the world.

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What to Know About the Israeli Strike on Iran
Commentary by Daniel Byman — June 13, 2025

Illicit Innovation: Latin America Is Not Prepared to Fight Criminal Drones
Commentary by Henry Ziemer — June 11, 2025

Combating State Hostage Taking and Wrongful Detention
Transcript — June 4, 2025

Russia’s Battlefield Woes in Ukraine
Brief by Seth G. Jones and Riley McCabe — June 3, 2025
Past Events

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One Million Casualties: Russia’s Losses on the Battlefield

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Can Ukraine Survive Without U.S. Aid?

Photo: CSIS
Combating State Hostage Taking and Wrongful Detention

Iranian Networks in the Middle East

Photo: CSIS
Report Launch: Firearms Trafficking in Latin America and the Caribbean

The Global Terrorism Landscape with the Acting Director of the National Counterterrorism Center

Photo: DIDIER LEBRUN/BELGA/AFP/Getty Images
When States Take Hostages: Responding to Iran and Other Perpetrators

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What are the Impacts of GPS Jamming and Spoofing on Civilians?
Related Programs
Experts
All Transnational Threats Content
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One Million Casualties: Russia’s Losses on the Battlefield
Event — June 13, 2025
What to Know About the Israeli Strike on Iran
Commentary by Daniel Byman — June 13, 2025
Illicit Innovation: Latin America Is Not Prepared to Fight Criminal Drones
Commentary by Henry Ziemer — June 11, 2025
Can Ukraine Survive Without U.S. Aid?
Event — June 5, 2025
Combating State Hostage Taking and Wrongful Detention
Event — June 4, 2025
Combating State Hostage Taking and Wrongful Detention
Transcript — June 4, 2025
Russia’s Battlefield Woes in Ukraine
Brief by Seth G. Jones and Riley McCabe — June 3, 2025
“Russia’s Battlefield Woes in Ukraine”: Audio Brief with Seth Jones and Riley McCabe
Podcast Episode by Seth G. Jones and Riley McCabe — June 3, 2025

The Role of Social Media in Cartel Recruitment
Commentary by Rubi Bledsoe — May 28, 2025
What’s Normal—and What’s Not—About ODNI’s Request to Revise the NIC's Intelligence Assessment
Critical Questions by Emily Harding — May 23, 2025