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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Photo: Anna Moneymaker/Getty Images

Photo: Anna Moneymaker/Getty Images

Can Ukraine Survive Without U.S. Aid?

June 5, 2025 • 11:15 am – 11:45 pm EDT
Video On Demand
Hosted by Warfare, Irregular Threats, and Terrorism Program
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Experts

Seth G. Jones

Seth G. Jones

President, Defense and Security Department; Harold Brown Chair
Daniel Byman

Daniel Byman

Director, Warfare, Irregular Threats, and Terrorism Program
Riley McCabe

Riley McCabe

Associate Fellow, Warfare, Irregular Threats, and Terrorism Program

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State Perspectives on Iranian Hostage Taking

CSIS Middle East Program director Jon B. Alterman joined the Stanford Program in International and Comparative Law and Moghadam Program in Iranian Studies to discuss how to respond when Iran and other states take hostages.

Transcript — October 24, 2024

Hostage Taking and International Law: New Thinking

A panel of experts joined the Stanford Program in International and Comparative Law, Stanford Moghadam Program in Iranian Studies, and CSIS to examine the international law dimensions of hostage taking and discuss challenges to holding states legally accountable.

Transcript — October 24, 2024

Escalating to War between Israel, Hezbollah, and Iran

There is a serious risk of all-out war between Israel, Hezbollah, and Iran. According to new CSIS analysis, both the scale and geographic scope of violence has dramatically increased and could spread further throughout the region.

Brief by Daniel Byman, Seth G. Jones, and Alexander Palmer — October 4, 2024

Lessons from Israel’s Last War in Lebanon

In 2006, Israel and Hezbollah fought each other fiercely, with Israel's military failing in many ways. Israel's intelligence and military successes in recent weeks show how it has learned the lessons from that war.

Commentary by Daniel Byman — October 2, 2024

Audio Briefs

Lessons from Israel’s Last War in Lebanon

An audio version of “Lessons from Israel’s Last War in Lebanon,” a new commentary by CSIS’s Daniel Byman. This audio was generated with text-to-speech by Eleven Labs. 

Podcast Episode by Daniel Byman — October 2, 2024

Audio Briefs

Why Iran Will Escalate

Iran has limited options to respond to the killing of Hamas political leader Ismail Haniyeh, making escalation likely, even if Tehran prefers a return to the status quo.

Commentary by Alexander Palmer — August 8, 2024