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Insider Threat Detection

Detection logic, 14 documented cases, telemetry requirements, and a four-phase implementation programme for detecting malicious insider activity.

14 Documented Cases

Manning, Snowden, Duronio, Levandowski, Ramesh, Zheng, Skelton, Ruiz, Sharp, Kvashuk, Desjardins, Tesla, Twitter, Barile — signals present in retrospect, what was missed, what triggered detection.

Detection Logic by Tier

Deterministic rules, behavioural heuristics, identity anomalies, exfiltration path coverage, sabotage signals, UEBA models — each with log sources, detection logic, and false-positive guidance.

Four-Phase Implementation

Phased programme from telemetry foundations through behavioural analytics to mature graph-based detection — structured to deliver maximum ROI first.

Legal & Privacy Constraints

Operational monitoring boundaries under US law (ECPA, CFAA), GDPR, and the Australian Privacy Act — jurisdiction-specific guidance for each monitoring activity.

By Andrey Pautov · Threat Intelligence Research Engineer · April 2026

Epistemic labels: [Documented] = cited primary source.  [Inferred] = analytic conclusion from documented facts.   Unlabelled = consensus support in cited literature. Not legal advice.