9 questions to ask about your SIEM (and what the answers reveal)

**TL;DR:** A diagnostic guide of nine questions to evaluate SIEM maturity and detection program effectiveness—covering log source value, ingestion audits, separation of compliance storage, rule hygiene and true-positive rates, MITRE ATT&CK mapping, review cadence, alert fatigue, analyst context-gathering, and documentation—with a recommendation that managed SIEM can address common gaps.