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Security Operations · Intermediate

Use Case

A defined detection scenario describing what threat to detect, which data is required and how to respond.

Definition

SIEM use cases document the threat, log sources, detection logic, severity and response playbook. Organizations prioritize use cases based on risk and ATT&CK coverage. Well-defined use cases prevent collecting data with no purpose.

Example

A use case for detecting brute force against VPN that uses firewall and RADIUS logs.

Exam tip

Start SIEM deployments with prioritized use cases, not by ingesting everything.

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