Terrorism and Irregular Warfare

The CSIS Warfare, Irregular Threats, and Terrorism Program collaborates with the International Security Program, Middle East Program, Africa Program, and more to provide analysis on irregular and hybrid warfare, terrorist violence, and military operations. 

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CSIS the truth of the matter

War in Lebanon

Podcast Episode by H. Andrew Schwartz and Norman T. Roule — September 25, 2024

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Daniel Byman

Daniel Byman

Director, Warfare, Irregular Threats, and Terrorism Program
Seth G. Jones

Seth G. Jones

President, Defense and Security Department; Harold Brown Chair
Jon Alterman

Jon B. Alterman

Senior Vice President, Zbigniew Brzezinski Chair in Global Security and Geostrategy, and Director, Middle East Program

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The Future of Irregular Warfare

Please join the CSIS Defense and Security Department on Tuesday, January 7 from 2:00 p.m. to 3:00 p.m. ET, for a virtual conversation with Christopher Maier, Assistant Secretary of Defense for Special Operations and Low-Intensity Conflict. 

Event — January 7, 2025

Babel: Translating the Middle East

Analysis: Israel's Ground Invasion into Lebanon

One year after the tragedy of October 7th, Israel has launched a ground invasion into southern Lebanon to counter Hezbollah. Although it remains unclear how far Israel intends to send troops into Lebanon, Israel has issued a new evacuation order that reaches farther north than previous orders. Leah Hickert speaks with Jon Alterman, director of the CSIS Middle East Program, about the invasion and the likelihood of escalation.

Podcast Episode by Jon B. Alterman and Leah Hickert — October 8, 2024

CSIS Babel

A Region Aflame - October 7 A Year Later

The CSIS Middle East Program and International Security Program host a roundtable on the social, political, and security challenges facing the Middle East in the year since the October 7 attacks.

Event — October 7, 2024

A Region Aflame - October 7 A Year Later

On the anniversary of the October 7 attack, the CSIS Middle East Program and International Security Program hosted a conversation with Dr. Dana El Kurd and Dr. Natah Sachs on the war’s political effects, Israel’s concept of victory, and paths toward de-escalation.

Transcript — October 7, 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