[Security] Security review and hardening

[fregataa]

Summary

Conduct security review and implement hardening measures before production deployment.

Scope

• Review authentication implementation
• Check for common vulnerabilities (OWASP Top 10)
• Validate input sanitization
• Review CORS configuration
• Check secrets management
• Review container security

Checklist

• JWT implementation secure (proper signing, expiration)
• Password hashing uses bcrypt with appropriate cost
• SQL injection prevention verified
• XSS prevention in API responses
• CORS properly configured
• Rate limiting effective
• No secrets in code or logs
• Container runs as non-root user
• Dependencies have no known vulnerabilities

Tools

• gosec for Go security scanning
• bandit for Python security scanning
• trivy for container vulnerability scanning

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