Microsoft Sentinel and Microsoft 365 Defender vs Perpetual Platform: Side-by-Side Comparison (2026)

Microsoft Sentinel and Microsoft 365 Defender: Unified repository for Microsoft Sentinel and Microsoft 365 Defender containing security content, detections, queries, playbooks, and resources to secure environments and hunt for threats..

Perpetual Platform: Cloud-native security data stack with AI-assisted detection and query. built by Perpetual Systems..

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

Microsoft Sentinel and Microsoft 365 Defender is open-source with 5,526 GitHub stars. Perpetual Platform is developed by Perpetual Systems. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Microsoft Sentinel and Microsoft 365 Defender and Perpetual Platform serve similar Security Information and Event Management use cases: both are Security Information and Event Management tools, both cover Log Management. Key differences: Microsoft Sentinel and Microsoft 365 Defender is Free while Perpetual Platform is Commercial, Microsoft Sentinel and Microsoft 365 Defender is open-source. Review the feature comparison above to determine which fits your requirements.