Aserto vs Exostar Managed Access Gateway (MAG): Side-by-Side Comparison (2026)

Aserto: Fine-grained authorization service for apps and APIs with ~1ms latency. built by Aserto. 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..

Exostar Managed Access Gateway (MAG): Federated IAM gateway for secure, compliant B2B partner access mgmt. built by Exostar. Core capabilities include Federated identity management with SSO for external partner access, Centralized identity hub connecting users to approved applications, Delegated administration allowing partner orgs to manage their own user access..

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

Aserto differentiates with 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. Exostar Managed Access Gateway (MAG) differentiates with Federated identity management with SSO for external partner access, Centralized identity hub connecting users to approved applications, Delegated administration allowing partner orgs to manage their own user access.

Aserto is developed by Aserto. Exostar Managed Access Gateway (MAG) is developed by Exostar. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Aserto and Exostar Managed Access Gateway (MAG) serve similar Access Management use cases: both are Access Management tools, both cover RBAC. Review the feature comparison above to determine which fits your requirements.