National Terrorism Advisory System
National Terrorism Advisory SystemBulletinsEncourage individuals to follow the guidance provided by state and local officials and to report suspicious activity. Imminent Threat AlertWarns of a credible, specific, and impending terrorist threat against the United States. Elevated Threat AlertWarns of a credible terrorist threat against the United States. The National Terrorism Advisory System, or NTAS, replaces the color-coded Homeland Security Advisory System (HSAS). This new system will more effectively communicate information about terrorist threats by providing timely, detailed information to the public, government agencies, first responders, airports and other transportation hubs, and the private sector. NTAS advisories – whether they be Alerts or Bulletins – encourage individuals to follow the guidance provided by state and local officials and to report suspicious activity. Where possible and applicable, NTAS advisories will include steps that individuals and communities can take to protect themselves from the threat as well as help detect or prevent an attack before it happens. Individuals should review the information contained in the Alert or Bulletin, and based upon the circumstances, take the recommended precautionary or preparedness measures for themselves and their families. NTAS Alerts NTAS Alerts will only be issued when credible information is available. The NTAS Alerts will be based on the nature of the threat: in some cases, alerts will be sent directly to law enforcement or affected areas of the private sector, while in others, alerts will be issued more broadly to the American people through both official and media channels. Sunset Provision
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