The Department of Homeland Security (DHS) Science and Technology Directorate's (S&T) investments have spurred growth in literature addressing terrorism prevention. S&T has delivered dozens of research products, fact sheets, evaluations, and capabilities to practitioners and the general public. This page will provide a full listing of all S&T terrorism prevention publications as they become available.
The Executive Order signed on January 27, 2017 allows for the proper review and establishment of standards to prevent terrorist or criminal infiltration by foreign nationals. The United States has the world’s most generous immigration system, yet it has been repeatedly exploited by terrorists and other malicious actors who seek to do us harm. In order to ensure that the United States government can conduct a thorough and comprehensive analysis of the national security risks posed from our immigration system, it imposes a 90-day suspension on entry to the United States of nationals of certain designated countries—countries that were designated by Congress and the Obama Administration as posing national security risks in the Visa Waiver Program.
U.S. Customs and Border Protection (CBP) Commissioner R. Gil Kerlikowske addresses the Visa Waiver Program and the implementation of the Visa Waiver Program Improvement and Terrorist Travel Prevention Act of 2015 enacted as part of the Consolidated Appropriations Act of 2016.
U.S. Department of Homeland Security (DHS) Office of Intelligence and Analysis (I&A) Under Secretary Francis Taylor addresses the foreign fighter threat and current efforts to disrupt terrorist travel.