AnalysisPublished 5 Nov 2026

How to navigate the SIEM correlation rule set | Kaspersky official blog

Source Kaspersky Security Blog

windows

Description

This content is an analysis discussing the effective use of SIEM correlation rules in security monitoring. It emphasizes that the mere number of correlation rules or MITRE ATT&CK coverage percentages does not guarantee SIEM effectiveness. Instead, the utility of rules depends on whether the SIEM receives the relevant event data from connected sources. The article advises starting SIEM setup by identifying connected event sources before selecting applicable rules. It also highlights the importance of understanding which events each rule requires and regularly reviewing SIEM configurations as infrastructure evolves. The piece introduces a Kaspersky tool to help analysts match rules to their event sources and assess MITRE ATT&CK coverage in context.

Impact

There is no direct security vulnerability or exploit described. The impact is operational: misconfiguration or misunderstanding of SIEM correlation rules and event sources can lead to ineffective detection, missed alerts, and false expectations about security coverage. This can reduce the overall effectiveness of security monitoring and incident detection capabilities.

Defensive guidance

This is not a vulnerability requiring patching. The recommended approach is to first identify and confirm which event sources are connected and feeding data into the SIEM, then enable only those correlation rules that match the available data. Regularly review and update SIEM configurations as infrastructure changes. Utilize tools such as the Kaspersky SIEM knowledge base to map rules to event sources and understand MITRE ATT&CK coverage in context. No direct remediation or patch is applicable.

Summary

The analysis explains that SIEM correlation rules define detection logic based on specific event types from particular sources. A rule's effectiveness depends on the SIEM receiving the expected events; without relevant data, rules will not trigger. MITRE ATT&CK coverage metrics reflect the visibility of current telemetry rather than rule quality. The article recommends prioritizing event source integration before enabling rules and regularly reassessing rule applicability as infrastructure changes. It also presents a Kaspersky knowledge base tool that catalogs SIEM rules, assists in building rule sets tailored to connected event sources, and visualizes MITRE ATT&CK coverage to guide telemetry expansion decisions.

References

kaspersky.com/blog/kaspersky-siem-correlation-rules-knowledgebase/56655/ (opens in a new tab)

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Description

AI analysisMachine-generated, updated 5 Nov 2026, 19:34 UTC

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