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Glossary term

Serious incident

What does "Serious incident" mean under the EU AI Act?

An incident or malfunctioning of an AI system that directly or indirectly leads to any of the following:

  • (a) the death of a person, or serious harm to a person’s health
  • (b) a serious and irreversible disruption of the management or operation of critical infrastructure
  • (c) the infringement of obligations under Union law intended to protect fundamental rights
  • (d) serious harm to property or the environment

Defined in / by

Last updated: 22 August 2026.