Homeland Security Advisory System
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- Refining and exercising preplanned protective measures
- Ensuring personnel receive training on HSAS, departmental, or agency-specific Protective Measures; and
- Regularly assessing facilities for vulnerabilities and taking measures to reduce them.
- Checking communications with designated emergency response or command locations;
- Reviewing and updating emergency response procedures; and
- Providing the public with necessary information.
- Increasing surveillance of critical locations;
- Coordinating emergency plans with nearby jurisdictions;
- Assessing further refinement of protective measures within context of current threat information; and
- Implementing, as appropriate, contingency and emergency response plans.
- Coordinating necessary security efforts with armed forces or law enforcement agencies;
- Taking additional precaution at public events;
- Preparing to work at an alternate site or with a dispersed workforce; and
- Restricting access to essential personnel only.
- Assigning emergency response personnel and pre-positioning specially trained teams;
- Monitoring, redirecting or constraining transportation systems;
- Closing public and government facilities; and
- Increasing or redirecting personnel to address critical emergency needs.
Homeland Security Advisory System
LOW
Low risk of terrorist attacks.
The following protective measures may be applied:
GUARDED
General risk of terrorist attacks.
In addition to the previously outlined protective measures, the following may be applied:
ELEVATED
Significant risk of terrorist attacks.
In addition to the previously outlined protective measures, the following may be applied:
HIGH
High risk of terrorist attacks.
In addition to previously outlined protective measures, the following may be applied:
SEVERE![]()
Severe risk of terrorist attacks.
In addition to the previously outlined protective measures, the following may be applied:
