The National Terrorism Advisory System (NTAS) website serves as the Department of Homeland Security's authoritative digital platform for communicating terrorism threat advisories to the public and critical stakeholders. It provides a centralized, browser-first access point for current national threat levels and detailed advisories, enabling public safety officials, critical infrastructure operators, and the general populace to rapidly assess the domestic threat landscape and inform protective measures.
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National Terrorism Advisory System Website Full Guide (2026)
DHS system for terrorism threat alerts.
WebsitePublicServicesSubscription
3.8 (AI Aggregated)
Updated May 26, 2026
Introduction
Key Features
Core Capabilities
Current Threat Level Display (prominent banner for Imminent/Elevated status)
Active Advisory Detail Pages (full text, context, recommended actions)
Historical Advisory Archive (searchable repository of past alerts)
Additional Details
Email/SMS Alert Subscription Interface (direct notification enrollment)
Threat Level Definition Glossary (explaining alert criteria and implications)
Inter-Agency Resource Linkage (official links to FBI, CISA, FEMA for related guidance)
Use Cases
Informing Regional Preparedness and Response Postu
Utilizing the NTAS website to obtain the latest national threat assessment, which directly influences local emergency operations center (EOC) activation levels, public information campaigns, and resource pre-positioning in anticipation of potential incident
Adjusting Patrol Operations and Security Protocol
Consulting current NTAS advisories to guide adjustments in patrol patterns, deployment of specialized units, and security enhancements for public events or critical infrastructure within their jurisdiction, aligning local response with federal intelligence
Validating and Enhancing Site-Specific Security Me
Accessing NTAS alerts to validate existing security protocols, identify potential vulnerabilities, and implement enhanced protective measures or employee awareness campaigns relevant to the current national threat environment
How to Use National Terrorism Advisory System
Accessing the Current National Threat Advisory
Navigate to the official NTAS website homepage (e.g., dhs.gov/ntas) to immediately view the prominently displayed current threat level (Imminent or Elevated) and a summary of any active advisorie
National Terrorism Advisory System Alternatives
Nixle (Everbridge)
Community alert system from local agencies.
911.gov
Official US website for 9-1-1 information.
FEMA.gov
US Federal Emergency Management Agency.
Wireless Emergency Alerts (WEA)
Info on gov emergency alerts to phones (FCC).
About National Terrorism Advisory System
Platforms
Categories
Domaindhs.gov
National Terrorism Advisory System Status
Active
Service is operational