Advanced
Security Hardening
Using AI to audit and harden security in authentication flows and critical systems
Real Case: Auth Flow Review at Client C
Approach
You: "Security audit authentication flow:
Files:
@src/auth/AuthController.ts
@src/auth/JWTService.ts
@src/middleware/auth.middleware.ts
Check for:
- OWASP Top 10 vulnerabilities
- Token handling issues
- Session management problems
- Rate limiting gaps
- Input validation issues
Prioritize by severity."AI Found
- Critical: JWT tokens in URL params (logged in access logs)
- High: No rate limiting on login endpoint (brute force possible)
- Medium: Weak password requirements
- Low: Missing CSRF tokens (but using SameSite cookies)
Action Plan Generated with AI
You: "Generate fix for issue #1 (JWT in URLs):
- Move tokens to Authorization header
- Update all API calls
- Add migration plan for existing clients
- Include test cases"Lesson: AI good at security checklist reviews. Humans must validate and prioritize.