Zero Trust Authorization
Authentication answers who you are. Authorization answers what you can do. In a zero trust environment, authorization must be fine-grained, context-aware, and evaluated on every request — not cached from a login event hours ago. Anubiz Engineering implements dynamic authorization using policy engines that make real-time access decisions based on identity, resource, action, and context.
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Policy Engine Deployment
We deploy Open Policy Agent (OPA), Cedar, or SpiceDB as your centralized authorization engine. Policies are written as code, stored in Git, tested in CI, and deployed alongside your applications. The policy engine evaluates every access request against the current policy set with sub-millisecond latency. Applications make a simple API call — "can this user do this action on this resource?" — and get a yes/no response with audit context.
Attribute-Based Access Control
RBAC assigns permissions to roles. ABAC evaluates attributes. We combine both: roles define the baseline ("engineer can access staging"), and attributes add conditions ("only during business hours, from a compliant device, for resources they own"). Attributes include user properties, resource metadata, environmental context, and relationship data. The result is authorization that adapts to context without requiring new role definitions for every scenario.
Relationship-Based Authorization
For applications with complex ownership models (multi-tenant SaaS, collaborative tools), we implement relationship-based access control using SpiceDB or a custom graph model. Authorization checks evaluate relationships: "Is this user a member of the organization that owns this resource?" This model scales naturally with your data model and eliminates the combinatorial explosion of roles in complex authorization scenarios.
Authorization Testing and Audit
Authorization policies get comprehensive testing: unit tests verify individual rules, integration tests verify policy combinations, and decision logs provide a complete audit trail. We set up authorization playgrounds where engineers can test policies against sample requests before deploying. Every authorization decision is logged with the inputs, policy version, and outcome — providing forensic-grade evidence for security investigations and compliance audits.
Why Anubiz Engineering
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