Terrorism & Violent Extremism

Just Security provides expert legal and policy analysis of terrorism, counterterrorism, and domestic and international violent extremism.

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2,206 Articles
A general view shows the UN High-level Conference of Heads of Counter-Terrorism Agencies of Member States at UN Headquarters on June 19, 2023 in New York. (Photo by YUKI IWAMURA/AFP via Getty Images)

Time for Rightsizing: Change is Coming to the UN Counterterrorism System

The UN80 reform process, done well, offers a chance to streamline sprawling -- and too often harmful -- structures to focus on the U.N.’s core purpose.
A man pays respects at a makeshift memorial for DFL State Rep. Melissa Hortman and her husband Mark Hortman at the Minnesota State Capitol building on June 16, 2025 in St. Paul, Minnesota. Law enforcement agencies captured a suspect in the killing of DFL State Rep. Melissa Hortman and her husband, Mark Hortman, who were shot at their home on June 14th. DFL State Sen. John Hoffman and his wife were also shot and hospitalized in a separate incident. Minnesota Gov. Tim Walz said during a press conference that the shooting "appears to be a politically motivated assassination." (Photo by Steven Garcia/Getty Images)

After the Minnesota Attacks: How Communities Can Respond to the Climate of Hostility Facing Public Officials

Left unchecked, this climate of hostility will continue to pose a significant danger to community safety and the health of America’s democracy.
Former French president Nicolas Sarkozy leaves after a hearing in his trial on charges of illegal campaign financing from Libya for his successful 2007 presidential bid, at the Tribunal de Paris courthouse in Paris, on March 27, 2025. French prosecutors requested on March 27, 2025, a seven-year prison sentence for former president Nicolas Sarkozy in his trial on charges of accepting illegal campaign financing in an alleged pact with the late Libyan dictator. (Photo by ALAIN JOCARD/AFP via Getty Images)

The Sarkozy-Gaddafi Trial Exposes Corruption’s Devastating Effect on Libyans

Alongside its democratic commitments, France should also reckon with the human rights consequences of its Libya foreign policy and interference in the post-Sarkozy era.

Call Them What They Are: Time to Fix Cyber Threat Actor Naming

The Microsoft-CrowdStrike partnership on cyber threat actor naming conventions is welcome, but more comprehensive reform is needed to serve defenders and the public.
Military forces who are affiliated with Yemen's Houthi group take part in a mass protest held against the Israeli continued bombardment and blockade of people in the Gaza Strip on May 23, 2025 in Sana'a, Yemen. (Photo by Mohammed Hamoud/Getty Images)

Terrorism and the Threat of Weak States

State weakness boosts the organizational vitality of resident terrorist groups, enabling them to not only live longer but also expand their terrorist activities.
Someone's hands flip through a wad of U.S. dollars in front of a desk covered with Syrian currency carrying former dictator Bashar al-Assad's face, and an array of financial equipment. Above the shelf are glass teller windows, one of them framing the face of what looks like a customer.

A Framework for Proactively — and Rapidly — Lifting Sanctions on Syria

A clear U.S. roadmap for sanctions relief will ensure Syria's swift, sustainable recovery to improve the prospects for political transition.
A burqa-clad woman sits in a field where a special prayer for rain is being performed by Afghan Muslims, in Fayzabad district of Badakhshan Province on May 19, 2025.

Removing Protected Status for Afghans in the U.S. is No Way to Treat Allies

Contrary to the Department of Homeland Security's claims, evidence shows the situation in Afghanistan has not improved. Deporting allies is unjustified and a betrayal.
Katherine Keneally and Julia Ebner answer questions at the Calleva-Airey Neave Global Security Seminar Series hosted by Oxford University’s Blavatnik School of Government on May 1, 2025.

Q&A with Katherine Keneally: The Future of Terrorism Detection and Analysis

How should we understand evolving terrorism, and what’s needed for better threat assessment? Julia Ebner discussed this with expert Katherine Keneally.
The sign at the FBI headquarters building reads, “J. Edgar Hoover FBI Building.”

Nihilistic Violent Extremism: A Valuable Stride Forward in American Counterterrorism

Nihilistic violent extremism might even be considered part of a fourth generation of online radicalization, blurring the lines between killers and terrorists.
IMAGES (left to right): Natural disaster and its consequences (via Getty Images); In this picture taken on September 28, 2022, an internally displaced flood-affected family sits outside their tent at a makeshift tent camp in Jamshoro district of Sindh province (Photo by Rizwan Tabassum/AFP via Getty Images; Trees smolder and burn during the Dixie fire near Greenville, California on August 3, 2021. – Numerous fires are raging through the state’s northern forests, as climate change makes wildfire season longer, hotter and more devastating. (Photo by JOSH EDELSON/AFP via Getty Images)

Just Security’s Climate Archive

A catalog of articles analyzing the diplomatic, political, legal, security, and humanitarian consequences of the international climate crisis.
Statue of Liberty holding torch with text bubbles instead of flame. Chatbot technologies in daily life, freedom of speech concept vector illustration. Vector illustration.

Curating Cyberspace: Rights, Responsibilities, and Opportunities

To challenge authoritarianism, platforms should embrace a role that balances expressive rights and responsibilities in a pro-democratic way.
A line of people, some under umbrellas, with a woman at the center holding a poster with photos on it and the message, in Spanish, saying, "He has worked for a solid company since he was 18. An investigation is urgently needed for his prompt release. No more unjust detentions."

El Salvador’s Authoritarian Slide Should Hold Lessons – Not Examples – for the U.S.

In fighting rampant gang violence, President Bukele has turned El Salvador into even more of a lawless, opaque State.
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