From the IRA to the Islamic State: The Evolving Terrorism Threat in Europe

Europe faces a significant threat from terrorism, particularly from Islamic extremists and far-right groups. Europe’s increasingly aggressive approach to terrorists — including prosecuting individuals for planning to travel abroad to join terrorist groups, censoring extremist Internet material, punishing Internet companies that fail to remove extremist material, and improving intelligence cooperation — have largely gone unnoticed in the United States.

This report, published by the Center for Strategic and International Studies (CSIS), takes a renewed look at Europe and compiles new data on the threat to Europe. It also examines the counterterrorism response by European governments, especially the United Kingdom and France.

Download the report