Incident Timeline

Noun · Security & Infosec

Definitions

  1. A chronological reconstruction of key events in an incident, such as initial access, lateral movement, containment, and recovery actions. Timelines help investigators understand sequencing, identify missed detections, and explain the incident clearly to stakeholders.

    In plain English: A time-ordered record of what happened during a security incident.

    Example: "The incident timeline showed the attacker had admin access twelve hours before any alert fired."

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