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← Incident Response
Version 1.0Updated Sep 05, 2026

Insider Threat Investigation Guide

A careful investigation framework for suspected malicious, negligent, or compromised insider activity while preserving evidence and fairness. The document provides clear ownership, decision thresholds, implementation steps, evidence expectations, and a repeatable review cadence so teams can apply the guidance consistently under operational pressure.

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Inside the document
  1. 01Case activation thresholds
  2. 02Investigation governance
  3. 03Evidence acquisition
  4. 04Interview and escalation plan
  5. 05Closure and lessons learned

Built for accountable execution

A careful investigation framework for suspected malicious, negligent, or compromised insider activity while preserving evidence and fairness.

Included operating aids

  • Defined owners and decision points
  • Practical validation and evidence prompts
  • Escalation and exception guidance
  • A repeatable review and improvement cadence