authorization
15 posts
How AWS Dogwood adds temporal conditions to Cedar policies, lowers them back to plain Cedar, and enforces agent guardrails at the Amazon Bedrock AgentCore gateway.
authorization · security · ai-agents +2
Build SaaS authorization with AWS Cognito and Verified Permissions, covering Cedar policies, multi-tenant patterns, JWT flow, and cost in TypeScript.
authorization · aws · authentication +4
A vendor-neutral evaluation of AWS Verified Permissions, SpiceDB, OpenFGA, Cerbos, and OPA, with architecture patterns, cost analysis, and a decision framework.
authorization · security · architecture +4
A deep comparison of Cedar, Rego, OpenFGA DSL, and Cerbos YAML/CEL policy languages: syntax, performance, formal verification, tooling, and TypeScript integration.
authorization · security · architecture +2
A deep technical comparison of SpiceDB and Auth0 FGA (OpenFGA), two Zanzibar-inspired systems with different trade-offs in schema, consistency, deployment, and scale.
authorization · security · architecture +3
Authentication vs authorization, common permission pitfalls, the fail-closed principle, and the goals every permission system should meet.
typescript · nextjs · authorization +2
Refactor scattered permission checks into a centralized service layer, add Next.js middleware guards, and build a defense-in-depth authorization architecture.
typescript · nextjs · authorization +2
Build a type-safe RBAC system in TypeScript, create a unified can() function, sync permissions across UI and backend, and learn when RBAC reaches its limits.
typescript · nextjs · authorization +2
Build an ABAC policy engine in TypeScript with the builder pattern, conditional permissions, and type-safe policy evaluation that replaces RBAC's limitations.
typescript · nextjs · authorization +2
Extend ABAC with environment-based rules, field-level read and write permissions, and automatic database query filtering that eliminates duplicate permission logic.
typescript · nextjs · authorization +2
Add multi-tenant isolation to your permission system, evaluate CASL as a library alternative, and use decision frameworks to choose the right authorization architecture.
typescript · nextjs · authorization +3
Enterprise patterns for Model Context Protocol: tool composition, multi-agent orchestration, role-based access control, and production observability.
mcp · ai-adoption-strategy · authorization +4
Definitions, implementation context, and defaults for authentication, token, access control, and Zero Trust terminology that teams argue about.
security · authentication · oauth2 +2
One-size-fits-all auth is a myth: banking, healthcare, e-commerce and SaaS each shape the authentication architecture differently.
authentication · authorization · security +5
Implement robust authentication with Cognito, API Gateway authorizers, and fine-grained IAM policies when migrating from Serverless Framework to AWS CDK.
authorization · aws-cdk · authentication +2