ITACG Intelligence Guide for First Responders 2nd Edition - ISE.gov

Secret: Information that if made public could be expected to cause serious damage to
national security.
Selectee (TSA): An individual who must undergo additional security screening before being
permitted to board a commercial aircraft.
Sensitive But Unclassified (SBU) Information: Information that has not been classified by
a federal law enforcement agency that pertains to significant law enforcement cases under
investigation and to criminal intelligence reports and for which dissemination is permitted to
only those persons necessary to further the investigation or to prevent a crime or terrorist act.
Sensitive Compartmented Information (SCI): Classified information concerning or derived from
intelligence sources, methods, or analytical processes that is required to be handled within
formal access control systems established by the Director of National Intelligence.
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intelligence guide for first responders - 2nd edition | references
Sensitive Compartmented Information Facility (SCIF): An accredited area, room, group of
rooms, buildings, or installation where SCI may be stored, used, discussed, and/or processed.
Signals Intelligence (SIGINT): Intelligence derived from signals intercepts comprising, individually
or in combination, all communications intelligence (COMINT), electronic intelligence (ELINT),
and/or foreign instrumentation signals intelligence (FISINT).
Source: A book, statement, person, etc., supplying information. From an intelligence perspective,
sources are persons (human intelligence or HUMINT) who collect or possess critical information
needed for intelligence analysis.