two-factor-authentication-best-practices

To set up two-factor authentication with Better Auth, configure the twoFactor plugin with your app name as the issuer, then run the migration command to add the required database fields and tables for secure 2FA.

TOTP generates time-based codes from an authenticator app, while OTP typically handles one-time passcodes. Better Auth supports both, letting you configure code lengths, validity periods, and verification flows for robust account security.

Backup codes are generated during the 2FA onboarding process after password verification. You provide these codes to users for account recovery, and the verification flow checks them against stored codes to restore access securely.

Yes, Better Auth allows you to configure TOTP settings including code lengths and validity periods when setting up the twoFactor plugin, ensuring your two-factor authentication security matches your application requirements.

Two-factor authentication best practices include implementing rate limiting, managing trusted devices, handling session management, and enforcing password verification before enabling or disabling 2FA to ensure robust account security.