SIEM (Security Information and Event Management)
A technology platform that collects, analyzes, and correlates security events from across an organization's IT infrastructure to detect threats and support incident response. SIEM is essential for meeting DORA's detection and monitoring requirements.
Security Information and Event Management (SIEM) combines two functions: Security Information Management (SIM), which handles log collection and long-term storage for compliance, and Security Event Management (SEM), which provides real-time monitoring, event correlation, and alerting. Modern SIEM platforms increasingly incorporate User and Entity Behavior Analytics (UEBA) and Security Orchestration, Automation, and Response (SOAR) capabilities.
For DORA compliance, SIEM plays a critical role in several areas: detecting anomalous ICT activities as required by the risk management framework, supporting incident classification and reporting through comprehensive event data, providing audit trails for supervisory reviews, and enabling continuous monitoring of critical systems and third-party connections.
Key SIEM capabilities include log aggregation from diverse sources, real-time event correlation using rules and machine learning, automated alerting and escalation, compliance reporting and dashboards, forensic investigation support, and integration with incident response workflows.
Related Terms
Continuous Monitoring
An ongoing process of observing, evaluating, and maintaining awareness of information security controls, vulnerabilities, and threats. Continuous monitoring ensures that compliance status is maintained between formal audits and enables rapid detection of control failures.
Incident Reporting
The formal process of detecting, classifying, and reporting ICT-related incidents to competent authorities. DORA Articles 17-23 establish specific requirements for incident classification, initial notification, intermediate reports, and final reports to supervisory authorities.
DORA (Digital Operational Resilience Act)
An EU regulation that establishes uniform requirements for the security of network and information systems in the financial sector. DORA became mandatory on January 17, 2025, and applies to banks, insurance companies, investment firms, and their critical ICT service providers.
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