Technology platforms that collect, aggregate, normalize, and analyze security event data from across an organization's IT infrastructure to detect threats and support compliance reporting.
SIEM systems are foundational for insider threat detection, providing centralized logging and correlation capabilities essential for identifying suspicious insider activities. Modern SIEM platforms incorporate behavioral analytics and machine learning to detect subtle insider threat indicators across multiple data sources. Gartner's 2024 research shows that organizations with mature SIEM deployments detect insider threats 40% faster than those without centralized logging capabilities.