# Internal Authenticators

- [Password](/human-identity/authentication-service/internal-authenticators/password.md): This document describes the configuration options available for enabling password-based user authentication.
- [Email-Based Authentication](/human-identity/authentication-service/internal-authenticators/email-based-authentication.md): This section describes the configuration and behavior of email authentication, which enables users to authenticate using an e-mail.
- [Phone-based authentication](/human-identity/authentication-service/internal-authenticators/phone-based-authentication.md)
- [Passkeys](/human-identity/authentication-service/internal-authenticators/passkeys.md)
- [Social Identity Providers](/human-identity/authentication-service/internal-authenticators/social-identity-providers.md)