The capabilities necessary to avoid, prevent, or stop a threatened or actual act of terrorism. For the purposes of the prevention framework called for in PPD-8, the term "prevention" refers to preventing imminent threats
Federal Emergency Management Agency, U.S. Department of Homeland Security, Glossary, Washington, DC, USA 2015. http://emilms.fema.gov/IS100b/glossary.htm, (Emr Mgt - Amer) {841}