two-factor-authentication-best-practices

Set up TOTP two-factor authentication by installing and enabling the twoFactor plugin in your Better Auth configuration. This enables QR code setup and secret management for mobile authenticator apps during user sign-in flows.

The best way to handle backup codes for multi-factor authentication is using the twoFactor plugin to generate, display, and regenerate recovery codes. This ensures users can regain account access if they lose their primary OTP device.

Yes, you can deliver OTP codes via email and SMS for sign-in security. The twoFactor plugin provides configurable delivery options to send one-time passwords through these channels during the multi-factor authentication verification process.

Trusted device management for two-factor authentication works by allowing the twoFactor plugin to configure trust durations for specific devices. This lets users skip repeated OTP prompts on recognized devices while maintaining session security.

Yes, Better Auth supports disabling and verifying 2FA lifecycle controls through its twoFactor plugin. It provides clear sign-in flow guidance for enabling, verifying, and disabling multi-factor authentication based on user account states.