Authentication & Security Patterns This skill provides comprehensive authentication and security patterns for modern web applications in 2025, focusing on JWT tokens, OAuth2, multi-factor authentication, and zero-trust security principles that work across different frameworks and databases. When to Use This Skill Use this skill when you need to: - Implement secure authentication with JWT tokens - Set up OAuth2 social login providers - Implement role-based access control (RBAC) - Add multi-factor authentication (MFA) - Secure API endpoints with proper middleware - Handle session management and…