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National Terrorism Advisory System (NTAS)

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National Terrorism Advisory System Sample Advisories

The National Terrorism Advisory System, or NTAS, replaced the color-coded Homeland Security Advisory System (HSAS) in 2011. Provided is a sample NTAS alert and a sample bulletin.

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Check the National Terrorism Advisory System (NTAS)

National Terrorism Advisory System (NTAS) alerts communicate information about terrorist threats by providing timely, detailed information to the public, government agencies, first responders, public sector organizations, airports and other transportation hubs.

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NTAS Frequently Asked Questions

Frequently Asked Questions about NTAS.

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NTAS API Documentation

There are two separate API sources for information on NTAS Advisories. All information is available from both sources. Which source to use is purely a matter of developer choice.

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NTAS Print Materials

Print materials (posters) and digital graphics for distribution that are available to support the National Terrorism Advisory System (NTAS).

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NTAS Developer Resources

National Terrorism Advisory System resources that may be of interest to the web developer community.

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NTAS Widget

Stay connected to any alerts from the Department of Homeland Security by placing this National Terrorism Advisory System widget on your website.

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NTAS Web Resources

If you are interested in promoting the National Terrorism Advisory System on your website, you may use the provided image. Please link directly to the images on DHS.gov so any alert updates or changes show on your website.