Core authentication and authorization concepts overview. This page provides a quick reference and links to detailed guides. Quick Reference Authentication vs Authorization Authentication (AuthN): Who are you? Verifying identity Credentials: username/password, tokens, biometrics Result: User identity established …

Comprehensive guide to authentication methods: sessions, JWT, OAuth 2.0, OIDC, and SAML. Authentication vs Authorization Authentication (AuthN): Who are you? Verifying identity Credentials: username/password, tokens, biometrics Result: User identity established Authorization (AuthZ): What can you do? Verifying …

Security best practices for authentication: password security, token storage, CSRF protection, MFA, and common vulnerabilities. Password Security Best Practices 1✅ DO: 2- Use bcrypt, scrypt, or Argon2 for hashing 3- Minimum 15 characters for single-factor passwords (NIST SP 800-63B-4), allow at least 64 4- No …