implementing-api-gateway-security-controls
Implementing API Gateway Security Controls
When to Use
- Deploying a centralized authentication and authorization layer for microservice APIs
- Implementing rate limiting, throttling, and quota management across all API endpoints
- Configuring request/response validation against OpenAPI specifications at the gateway level
- Setting up TLS termination, mutual TLS, and certificate management for API traffic
- Integrating WAF rules with the API gateway to block injection, XSS, and known attack patterns
Do not use as the sole security layer. API gateways provide defense in depth but backend services must also validate authorization and input.
Prerequisites
- API gateway platform selected and deployed (Kong, AWS API Gateway, Azure APIM, or Apigee)
- OpenAPI/Swagger specifications for all backend APIs
- TLS certificates for the gateway domain
- Identity provider (IdP) configured for OAuth2/OIDC (Okta, Auth0, Azure AD)
- Monitoring and logging infrastructure (CloudWatch, Datadog, ELK)
- Backend service endpoints registered and reachable from the gateway
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