01. Overview & OWASP API Top 10
Deep dive into API attack surfaces, OWASP API Security Top 10 (2023), architectural root causes of API vulnerabilities, real-world breach case studies, and API discovery strategies.
02. BOLA & BFLA Masterclass
Mastering Broken Object Level Authorization (BOLA), Broken Function Level Authorization (BFLA), and Broken Property Level Authorization (BOPLA) with production code patterns in Node.js, Python, Go, and Java.
03. GraphQL & gRPC Security
Advanced security guide for GraphQL and gRPC APIs covering introspection hardening, query depth and cost limiting, batching attack mitigations, HTTP/2 stream security, and gRPC interceptors across Node.js, Python, Go, and Java.
04. Rate Limiting, Throttling & Auth
Comprehensive engineering guide on API rate-limiting algorithms, Redis-backed sliding window implementations, JWT vulnerability mechanics (alg: none, key confusion), and OAuth2 PKCE enforcement.
05. API Gateway & Defense Patterns
Production architectural guide for hardening API Gateways (Nginx, Kong, Envoy), enforcing OpenAPI JSON Schema contract validation, CORS policy configuration, and Zero Trust API defense patterns.
06. Hands-On Vulnerability Lab
Self-contained hands-on Python/Flask microservice lab demonstrating BOLA, Mass Assignment, and BFLA vulnerabilities, an automated PoC exploit script, and production remediation code.
07. References & Testing Tools
Comprehensive reference directory for API security standards, open-source auditing and testing tools, SAST/DAST rulesets, and notable CVE case studies.
API Security Guide
Comprehensive guide on API Security covering OWASP API Security Top 10 (2023), REST, GraphQL, and gRPC vulnerabilities, BOLA/BFLA mechanics, rate limiting, token security, and API gateway defense patterns.