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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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

The Role of Social Media in Cartel Recruitment
Commentary by Rubi Bledsoe — May 28, 2025
Past Events

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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

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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?

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Ukraine in the Balance: A Battlefield Update on the War in Ukraine
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State Perspectives on Iranian Hostage Taking
Transcript — October 24, 2024
Hostage Taking and International Law: New Thinking
Transcript — October 24, 2024
The Rising Threat of Anti-Government Domestic Terrorism: What the Data Tells Us
Brief by Riley McCabe — October 21, 2024
“The Rising Threat of Anti-Government Domestic Terrorism: What the Data Tells Us”: Audio Brief with Riley McCabe
Podcast Episode by Riley McCabe — October 21, 2024

Escalating to War between Israel, Hezbollah, and Iran
Brief by Daniel Byman, Seth G. Jones, and Alexander Palmer — October 4, 2024
“Escalating to War between Israel, Hezbollah, and Iran”: Audio Brief with Daniel Byman and Seth G. Jones
Podcast Episode by Daniel Byman and Seth G. Jones — October 4, 2024

Lessons from Israel’s Last War in Lebanon
Commentary by Daniel Byman — October 2, 2024
Lessons from Israel’s Last War in Lebanon
Podcast Episode by Daniel Byman — October 2, 2024

What are the Impacts of GPS Jamming and Spoofing on Civilians?
Event — September 17, 2024
Why Iran Will Escalate
Commentary by Alexander Palmer — August 8, 2024