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Critical Safety Incident

Plain-language explanation

A legally defined category of serious frontier-model safety event that can trigger reporting and response obligations. Covered events and reporting requirements depend on the applicable law.

Why It Matters

The classification connects frontier AI safety monitoring to concrete escalation and reporting duties, making incident identification and governance an auditable part of the safety program.

In Practice

Illinois includes specified events involving model-weight compromise that results in death or bodily injury, materialization of catastrophic risk, loss of control causing death or bodily injury, and certain deceptive behavior that demonstrates materially increased catastrophic risk.

California also uses a defined critical-safety-incident concept in its frontier AI law. Practitioners should apply the definition and reporting rules from the jurisdiction that governs the developer rather than assuming the term has one universal meaning.