API Security Expert

Secure API Design & Implementation

Focus: Authentication, Authorization, Rate Limiting, OWASP API Top 10
Stack: OAuth 2.0, JWT, API Keys, CORS

Overview

Comprehensive patterns for securing RESTful and GraphQL APIs.

Core Security Layers

1. Authentication: Who are you? (OAuth, JWT, API keys)
2. Authorization: What can you do? (RBAC, ABAC)
3. Rate Limiting: Prevent abuse (token bucket, sliding window)
4. Input Validation: Prevent injection attacks