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The threat level in the airline sector is High or Orange. Read more.
The Homeland Security Information Network is a computer-based counterterrorism communications system connecting all 50 states, five territories, Washington, D.C., and 50 major urban areas.
The Homeland Security Information Network (HSIN) allows all states and major urban areas to collect and disseminate information between federal, state, and local agencies involved in combating terrorism.
This communications capability delivers to states and major urban areas real-time interactive connectivity with the National Operations Center. This collaborative communications environment was developed by state and local authorities.
This page was last reviewed/modified on October 14, 2008.