terrorism threat advisory system
C21529
concept
A terrorism threat advisory system is a structured framework that continuously assesses, categorizes, and communicates the likelihood and severity of terrorist activities to guide security measures and public awareness.
Observed surface forms (2)
- Homeland Security Advisory System ×1
- Homeland Security Advisory System threat condition ×1
Instances (3)
-
color-coded Homeland Security Advisory System
surface form: Homeland Security Advisory System
- HSAS via concept surface "Homeland Security Advisory System"
- Guarded Threat Level via concept surface "Homeland Security Advisory System threat condition"