In March 2002, the White House issued Homeland Security Directive-3, establishing
five threat conditions for risk of terrorist attack.
The Homeland Security Advisory System is designed to target our protective
measures when specific information to a specific sector or geographic region is
received. It combines threat information with vulnerability assessments and provides
communications to public safety officials and the public.
Color-coded Threat Level System is used to communicate with public safety
officials and the public at-large through a threat-based, color-coded system so
that protective measures can be implemented to reduce the likelihood or impact of
an attack. Raising the threat condition has economic, physical, and psychological
effects on the nation; so, the Homeland Security Advisory System can place specific
geographic regions or industry sectors on a higher alert status than other regions or
industries, based on specific threat information.
To explain what each of these levels means to the residents of Illinois,
the American Red Cross developed a set of guidelines for recommended action, which
has been adopted by the Illinois Terrorism Task Force. If you would like further
information, please refer to the list of resources below.
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