CMMCDocs.comSIEM
Also known as: Security Information and Event Management
Security Information and Event Management — a platform that aggregates logs from across the environment, correlates events, and surfaces security alerts.
A Security Information and Event Management (SIEM) platform aggregates log data from across the in-scope environment — endpoints, servers, network devices, identity providers, cloud services — and correlates events across sources to surface meaningful security alerts.
Common SIEM platforms include Splunk Enterprise Security, Microsoft Sentinel, Elastic Security, IBM QRadar, LogRhythm, and Sumo Logic. Smaller contractors increasingly use a managed detection and response (MDR) service that bundles a SIEM with 24/7 analyst monitoring.
For CMMC purposes, a SIEM is the most common way to satisfy several AU family requirements simultaneously (audit log collection, retention, correlation, and review) and to provide the alerting backbone for the IR family.
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