Aserto is a commercial identity governance and administration tool by Aserto. Cerbos is a commercial identity governance and administration tool by Cerbos. Compare features, ratings, integrations, and community reviews side by side to find the best identity governance and administration fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Mid-market and enterprise teams managing fine-grained access across microservices and APIs should pick Aserto for its 1ms authorization latency, which makes it viable for real-time decision-making without degrading application performance. The tool's support for relationship-based access control (ReBAC) via a Zanzibar-inspired directory gives you the modeling flexibility that RBAC and ABAC alone cannot provide for complex permission hierarchies. Skip this if your organization is early-stage and still consolidating identity providers; Aserto assumes mature directory integrations and demands policy-as-code discipline that smaller teams may not yet need.
Fine-grained authorization service for apps and APIs with ~1ms latency.
External authorization engine for enterprise apps with RBAC/ABAC policy support.
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Common questions about comparing Aserto vs Cerbos for your identity governance and administration needs.
Aserto: Fine-grained authorization service for apps and APIs with ~1ms latency. built by Aserto. headquartered in United States. Core capabilities include Fine-grained, resource-level access controls with ~1ms authorization latency, Support for RBAC, ABAC, and ReBAC authorization models, Real-time data synchronization to edge authorizers via a central control plane..
Cerbos: External authorization engine for enterprise apps with RBAC/ABAC policy support. built by Cerbos. Core capabilities include Policy-based authorization engine for runtime access control decisions, Role-based access control (RBAC) support, Attribute-based access control (ABAC) support..
Both serve the Identity Governance and Administration market but differ in approach, feature depth, and target audience.
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