Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The National Terrorism Advisory System provides Americans with alert information on homeland security threats. It is distributed by the Department of Homeland Security.
More information is available at: www.dhs.gov/national-terrorism-advisory-system.
To receive mobile updates: NTAS Alerts via Twitter and NTAS Alerts via Facebook.
If You See Something, Say Something™. Report suspicious activity to local law enforcement or call 911.