Comprehensive API security testing guide covering OWASP API Top 10, REST/SOAP vulnerabilities, JWT attacks, and real-world exploitation.
JWT flaws, OAuth misconfig, API key leakage. Critical severity.
Broken Object Level Authorization in REST APIs.
SQLi, NoSQLi, Command injection via API parameters.
Bypassing rate limits, brute force, account takeover.
Stack traces, verbose errors, sensitive data in responses.
Real-world API vulnerabilities from bug bounty programs.