Transnational Threats

The threat from regional terrorist groups and domestic extremist individuals is omnipresent. CSIS provides strategic thinking on the range of efforts to counter terrorist groups and their methods across the world.

Photo: VCG/VCG/Getty Images

Photo: VCG/VCG/Getty Images

The Cyber Threat to the 2026 World Cup

The 2026 World Cup is an attractive target for malicious cyber actors, and even more so against the backdrop of ongoing geopolitical conflict. While preparation for such events is well rehearsed, maintaining resilience against threats will be paramount.

Commentary by Nikita Shah — June 11, 2026

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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

Nikita Shah

Senior Fellow, Intelligence, National Security, and Technology Program
Riley McCabe

Riley McCabe

Associate Fellow, Warfare, Irregular Threats, and Terrorism Program
Joel Coito

Joel Coito

Military Fellow, Defense and Security Department

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The Cyber Threat to the 2026 World Cup

The 2026 World Cup is an attractive target for malicious cyber actors, and even more so against the backdrop of ongoing geopolitical conflict. While preparation for such events is well rehearsed, maintaining resilience against threats will be paramount.

Commentary by Nikita Shah — June 11, 2026

The Terrorist Threat to the 2026 World Cup

The 2026 World Cup will be the largest sporting event ever held and a magnet for terrorists of all stripes. A new CSIS brief examines who might attack, what targets are at greatest risk, and the countermeasures being deployed.

Brief by Daniel Byman and Riley McCabe — May 27, 2026

Global Terrorism Threat Assessment 2026

Terrorism is currently declining as a U.S. national security priority, and resources available for counterterrorism are decreasing accordingly. At the same time, uncertainty regarding the future of global terrorism is increasing, bringing greater risk of surprise.

Report by CSIS Scholars — May 26, 2026

The Many Faces of Antisemitic Terrorism in the United States

Anti-Jewish violence in America is no longer driven by one ideology alone. Neo-Nazis, jihadists, anti-Israel extremists, and even state-backed actors are converging on the same targets, stretching counterterrorism defenses and redefining domestic security threats.

Commentary by Daniel Byman — May 26, 2026

Why China Is Now a Peer Competitor to the United States in Cyberspace

China has matured its cyber ecosystem in sophistication, scale, stealth, and strategy—now rivaling, and in some areas surpassing, the United States. Washington should use the window following Trump's Beijing visit to strengthen its response to China's cyber threat.

Commentary by Nikita Shah — May 15, 2026

Is the United States Prepared for a War with China?

Despite recent progress, the U.S. military would face serious challenges fighting a protracted war with China because of a lack of long-range munitions, air defense systems, and unmanned systems, along with vulnerable bases and critical infrastructure in the Indo-Pacific.

Brief by Seth G. Jones — May 12, 2026