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Current National Threat Level:
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Understanding the Homeland Security Advisory System
As Published by the U.S. Department
of Homeland Security
The world has changed since September 11, 2001. We remain a nation
at risk to terrorist attacks and will remain at risk for the foreseeable
future. At all Threat Conditions, we must remain vigilant, prepared,
and ready to deter terrorist attacks. The following Threat Conditions
each represent an increasing risk of terrorist attacks. Beneath
each Threat Condition are some suggested Protective Measures, recognizing
that the heads of Federal departments and agencies are responsible
for developing and implementing appropriate agency-specific Protective
Measures:
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