Microsoft Sentinel vs Splunk Enterprise Security: Side-by-Side Comparison (2026)

Microsoft Sentinel: Cloud-native SIEM with AI-driven analytics and unified security operations. built by Microsoft. Core capabilities include Cloud-native SIEM with analytics and monitoring, Security orchestration, automation, and response (SOAR), User entity and behavior analytics (UEBA)..

Splunk Enterprise Security: Unified SIEM platform with integrated SOAR, UEBA, and AI capabilities for TDIR. built by Splunk Inc.. Core capabilities include Risk-Based Alerting (RBA) for alert prioritization, Security Orchestration, Automation, and Response (SOAR), User and Entity Behavior Analytics (UEBA)..

Both serve the Security Information and Event Management market but differ in approach, feature depth, and target audience.

Both tools share capabilities in security orchestration, automation, and response (soar). Microsoft Sentinel differentiates with Cloud-native SIEM with analytics and monitoring, User entity and behavior analytics (UEBA), Threat intelligence integration with STIX/TAXII support. Splunk Enterprise Security differentiates with Risk-Based Alerting (RBA) for alert prioritization, User and Entity Behavior Analytics (UEBA), AI Assistant for investigation guidance and queries.

Microsoft Sentinel is developed by Microsoft. Splunk Enterprise Security is developed by Splunk Inc.. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Microsoft Sentinel and Splunk Enterprise Security serve similar Security Information and Event Management use cases: both are Security Information and Event Management tools. Review the feature comparison above to determine which fits your requirements.