Secure Authentication System

Production-ready auth: OTP, JWT, RBAC, rate limits

Secure Authentication System

Built with a security-first approach: email OTP verification, JWT with refresh tokens, RBAC, and basic rate-limiting. Includes secure password hashing, input validation, and defenses against common attacks.

Tech Stack

Node.jsExpressMongoDBJWTNodemailer

Features

  • Email OTP & token refresh
  • Role-based access control (admin/user)
  • Rate limiting & brute-force prevention

Challenges

  • Securely designing refresh token flow
  • Avoiding token leakage and XSS attack surfaces

Future Scope

  • 2FA integration
  • Audit logging
Live demoView repo
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