(U) Prepared by the Strategic Analysis Group and the Extremism and Radicalization Branch, Homeland

Environment Threat Analysis Division.

(U//FOUO) Homeland Security Reference Aids—prepared by the DHS/Office of
Intelligence and Analysis (I&A)—provide baseline information on a variety of
homeland security issues. This product is one in a series of reference aids designed to
provide operational and intelligence advice and assistance to other elements of DHS,
as well as state, local, and regional fusions centers. DHS/I&A intends this background
information to assist federal, state, local, and tribal homeland security and law
enforcement officials in conducting analytic activities. This product provides
definitions for key terms and phrases that often appear in DHS analysis that addresses
the nature and scope of the threat that domestic, non-Islamic extremism poses to the
United States. Definitions were derived from a variety of open source materials and
unclassified information, then further developed during facilitated workshops with
DHS intelligence analysts knowledgeable about domestic, non-Islamic extremism in
the United States.

-alternative media -

(U//FOUO) A term used to describe various information
sources that provide a forum for interpretations of events and
issues that differ radically from those presented in mass
media products and outlets