Introduction

The Authentication Module of the ERP System is engineered to provide robust, secure, and scalable authentication and authorization for both web and mobile platforms. Utilizing industry-standard technologies such as JWT (JSON Web Token), Spring Security, and BCrypt, the module ensures stateless authentication, fine-grained access control, and compliance with modern security best practices.

Key Features:

• CORS Filtering: Controls cross-origin requests to prevent unauthorized access.
• Rate Limiting: Employs Bucket4j to mitigate abuse and DDoS attacks.
• Secure Password Management: Implements BCrypt hashing and enforces strong password policies.
• Multi-Channel Password Reset: Integrates WhatsApp Business API for secure password reset communications.
• Comprehensive Audit Trails: Tracks authentication events and system changes for compliance and forensics.
• Error Handling: Provides clear, actionable error responses and status codes.

The architecture is designed for high scalability, maintainability, and operational transparency, ensuring the protection of sensitive user data and seamless user experience across all client platforms.