Terrorism, in its broadest sense, is the use of violence against non-combatants to achieve political or ideological aims. [1] The term is used in this regard primarily to refer to intentional violence …

Dec 19, 2025 · Terrorism involves the use or threat of violence and seeks to create fear, not just within the direct victims but among a wide audience. The degree to which it relies on fear …

Many factors have contributed to the evolution of the terrorism threat on both the international and domestic fronts.

Terrorism is also a big concern for people across the world. Attacks are rare, but often shocking, as they are meant to scare and subdue. This page provides data and research on how …

Mar 28, 2025 · Terrorism remains a threat to U.S. citizens, assets, and interests despite the national security community’s decreasing focus on counterterrorism. In 2025, domestic …

Jun 18, 2019 · Explore this collection of learning resources to understand domestic and international terrorism.

Terrorism is a term used to describe violence or other harmful acts committed (or threatened) against civilians by groups or persons for political or other ideological goals.

Nov 12, 2025 · Terrorist organizations, adverse nations and other national security threat actors aim to disrupt our way of life and weaken our country. They conduct and support terrorist acts, …

Jun 23, 2025 · Discover Brookings research and expert analysis on terrorism and extremism. Learn about the root causes, trends, and policies aimed at countering violent extremism globally.

Terrorism encompasses a range of complex threats: organized terrorism in conflict zones, foreign terrorist fighters, radicalized ‘lone wolves’, and attacks using chemical, biological, radiological, …