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A conceptual framework for centralized collection, correlation and analysis of security logs and events to detect and respond to incidents.
Security Information and Event Management (SIEM) is a conceptual framework for collecting, correlating, and analyzing security logs and events. It enables detection, investigation, and response to security incidents as well as compliance reporting. SIEM systems aggregate telemetry from diverse sources and provide centralized monitoring and forensic analysis.
Average time from incident occurrence to detection.
Proportion of generated alerts that turn out to be irrelevant.
Amount of processed log events per second.
A financial services firm deployed SIEM for centralized monitoring and reduced mean time to detection through automated correlation.
A SaaS company integrated cloud provider logs and container telemetry into a SIEM for improved visibility.
A retailer used SIEM reports to provide evidence for audits and data protection requirements.
Create source inventory and prioritize log integrations
Implement central log ingestion pipeline and normalize data
Develop, test and progressively roll out correlation rules
Integrate playbooks for escalation and incident response