Microsoft Defender for Cloud vs SubImage: Side-by-Side Comparison (2026)

Microsoft Defender for Cloud: CNAPP providing CSPM and workload protection across multicloud environments. built by Microsoft. Core capabilities include Cloud Security Posture Management (CSPM) across multicloud environments, Cloud Workload Protection Platform (CWPP) for runtime threat detection, Secure Score with prioritized security recommendations..

SubImage: Agentless CNAPP that maps cloud/SaaS/on-prem assets into a queryable security graph. built by SubImage. Core capabilities include Agentless, read-only API-based connectivity to cloud, SaaS, and on-prem environments, Continuous asset discovery and inventory mapped into a unified security graph, Misconfiguration detection across cloud infrastructure and SaaS services..

Both serve the Cloud-Native Application Protection Platform market but differ in approach, feature depth, and target audience.

Microsoft Defender for Cloud differentiates with Cloud Security Posture Management (CSPM) across multicloud environments, Cloud Workload Protection Platform (CWPP) for runtime threat detection, Secure Score with prioritized security recommendations. SubImage differentiates with Agentless, read-only API-based connectivity to cloud, SaaS, and on-prem environments, Continuous asset discovery and inventory mapped into a unified security graph, Misconfiguration detection across cloud infrastructure and SaaS services.

Microsoft Defender for Cloud is developed by Microsoft. SubImage is developed by SubImage. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Microsoft Defender for Cloud integrates with Microsoft Sentinel, Azure, AWS, Google Cloud, GitHub Advanced Security. SubImage integrates with AWS, Azure, Google Cloud, DigitalOcean, Oracle Cloud and 26 more. Check integration compatibility with your existing security stack before deciding.

Microsoft Defender for Cloud and SubImage serve similar Cloud-Native Application Protection Platform use cases: both are Cloud-Native Application Protection Platform tools, both cover Cloud Native, Misconfiguration, Attack Paths. Review the feature comparison above to determine which fits your requirements.