Authentication Types

there are several ways to perform authentication

• Password-based authentication
• Multi-factor authentication (MFA)
• Biometric authentication
• Token-based authentication
• Certificate-based authentication
• Social media login
• Single sign-on (SSO)
• Kerberos authentication
• OAuth/OpenID Connect
• SMS-based authentication
• Security questions/answers
• Knowledge-based authentication (KBA)
• Push notification authentication
• Time-based One-Time Password (TOTP)
• Smart card authentication