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SEC

Operations → Security Operations

Threat Detection

The practice of identifying malicious or anomalous activity from telemetry, behavior, intelligence, and detection rules.

Motivation

Threat Detection helps security teams reduce operational risk by making detection, investigation, and response more systematic.

Mental model

Detection converts raw evidence into a reason to investigate. A useful detection is explainable, testable, and connected to a response action.

Where it fits

Threat Detection belongs to the Operations track, inside Security Operations. It complements preventive controls by helping teams observe and act on what happens in running environments.

Practical considerations

  • Define ownership, escalation paths, and expected response times.
  • Prefer high-quality, contextual signals over large volumes of unactionable alerts.
  • Test procedures and automation before relying on them during an incident.
  • Review outcomes and tune detections, tooling, and playbooks continuously.

Common mistakes

  • Treating tooling as a substitute for clear processes and accountable owners.
  • Collecting telemetry without retention, access, and investigation plans.
  • Measuring alert volume instead of detection quality and response effectiveness.

Use the metadata panel or return to the graph to explore prerequisites and neighboring security operations concepts.