Implement security improvements and fix vulnerabilities

[msaqib1219]

Executive Summary

This comprehensive 3-week security initiative successfully audited, remediated, and hardened the Node-Express-Mongoose demo application. Starting from 10 identified vulnerabilities in Week 1, the team implemented fixes reducing critical issues to 0 and establishing a production-ready security posture.

Key Achievements:

• ✅ Identified and documented 10 security issues (manual + OWASP ZAP scan)
• ✅ Implemented 8 major security fixes (password validation, input sanitization, authentication)
• ✅ Added enterprise-grade logging (Winston with file rotation)
• ✅ Enabled HTTPS/TLS with self-signed certificates
• ✅ Verified all mitigations through penetration testing
• ✅ 90% reduction in vulnerability count (10 → 1 remaining)

** For more details read Final_Report,md also uploaded with this request.