The Bottom Line: SIEM remains the operational foundation for threat detection and compliance documentation in enterprise networks despite the AI hype.
SIEM solutions remain central to enterprise security infrastructure, but are increasingly overshadowed by AI-powered approaches. An overview of proven core functions.
Security Information and Event Management (SIEM) centralizes the collection and correlation of security events from distributed systems, applications, and network components. The platforms are often perceived as outdated, but continue to fulfill indispensable functions in enterprise security landscapes.
Core functions include the detection of anomalies and attacker behavior through rule-based systems and statistical analysis — for example, suspicious login attempts, network traffic to known malware servers, or unexpected data exfiltration. Additionally, SIEM systems document events to meet regulatory requirements such as GDPR, NIS2, or audit obligations. They also form the basis for forensics following security incidents.
Although AI technologies are increasingly integrated into security tools, they do not displace SIEM but rather supplement it: automated behavioral analytics can identify patterns faster, while classical SIEM rule-based systems and long-term event correlation provide consistent coverage. For CISOs, SIEM remains an indispensable cornerstone alongside newer approaches such as Extended Detection and Response (XDR) or Cloud Access Security Brokers (CASB).
Source: www.computerweekly.com · Published June 11, 2026
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