IBM QRadar SIEM vs Microsoft Sentinel: Side-by-Side Comparison (2026)

IBM QRadar SIEM: SIEM platform for centralized security visibility and threat detection. built by IBM. Core capabilities include Real-time threat detection, User and entity behavior analytics (UBA), Network detection and response (NDR)..

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)..

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

IBM QRadar SIEM differentiates with Real-time threat detection, User and entity behavior analytics (UBA), Network detection and response (NDR). Microsoft Sentinel differentiates with Cloud-native SIEM with analytics and monitoring, Security orchestration, automation, and response (SOAR), User entity and behavior analytics (UEBA).

IBM QRadar SIEM is developed by IBM. Microsoft Sentinel is developed by Microsoft. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

IBM QRadar SIEM and Microsoft Sentinel 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.