ClearVector Sensor vs Subgraph Citadel / Subgraph OS: Side-by-Side Comparison (2026)

ClearVector Sensor: Runtime detection sensor for container & cloud workload identity attribution. built by ClearVector. Core capabilities include Identity attribution for container and cloud workload activity, Interactive command tracing from SSH, SSM, and ECS exec, Runtime activity monitoring and detection..

Subgraph Citadel / Subgraph OS: Immutable, compartmentalized Linux OS for adversarial computing environments. built by Subgraph. Core capabilities include Read-only immutable base OS protected by dm-verity cryptographic integrity verification, Unlimited isolated user realms with separate process, network, and filesystem namespaces, Container-based realm isolation using Linux namespaces and cgroups..

Both serve the Workload Protection market but differ in approach, feature depth, and target audience.

ClearVector Sensor differentiates with Identity attribution for container and cloud workload activity, Interactive command tracing from SSH, SSM, and ECS exec, Runtime activity monitoring and detection. Subgraph Citadel / Subgraph OS differentiates with Read-only immutable base OS protected by dm-verity cryptographic integrity verification, Unlimited isolated user realms with separate process, network, and filesystem namespaces, Container-based realm isolation using Linux namespaces and cgroups.

ClearVector Sensor is developed by ClearVector. Subgraph Citadel / Subgraph OS is developed by Subgraph. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

ClearVector Sensor and Subgraph Citadel / Subgraph OS serve similar Workload Protection use cases: both are Workload Protection tools, both cover Linux, Workload Security. Key differences: ClearVector Sensor is Commercial while Subgraph Citadel / Subgraph OS is Free. Review the feature comparison above to determine which fits your requirements.