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Security Incident
  • An event in which security is breached successfully by an attacker.
  • Any act or circumstance that involves classified informationthat deviates from the requirements of governing security publications, for example, compromise, possible compromise, inadvertent disclosure, and deviation. (AR 380-380;; AFR 205-16;)
  • An event involving protected information or a facility in which there is a deviation from the requirements of the governing security regulations. *An incident involving classified information in which there is a deviation from the requirements of the governing security regulations. NOTE: Compromise, inadvertent disclosure, need-to-know violation, and administrative deviation are examples of security incidents. (NSA, National INFOSEC Glossary, 10/88)