two-factor-authentication-best-practices

To set up two-factor authentication, configure TOTP authenticator apps using the Better Auth twoFactor plugin. This Skill manages TOTP setup, user verification flows, and login security for web applications requiring strong sign-in protection.

Yes, you can send one-time passcodes via email or SMS for 2FA. This configuration is supported alongside TOTP authenticator apps and backup codes to provide flexible multi-factor authentication options for user verification.

Yes, this 2FA implementation explicitly requires the Better Auth twoFactor plugin. You can add 2FA support to your setup by running the `npx @better-auth/cli migrate` command to configure multi-factor authentication.

You can manage single-use backup codes for 2FA recovery directly through this Skill. It provides functionality to generate and handle backup codes, ensuring users can regain access if they lose their primary authentication method.

The best way to skip 2FA on trusted devices is to use the trusted devices feature. This allows specific devices to be marked as trusted, skipping additional multi-factor authentication steps during sign-in for user convenience.

You need multi-factor authentication to ensure strong login security and protect user accounts from unauthorized access. Implementing 2FA with TOTP, OTP, and backup codes significantly strengthens sign-in protection in web security-conscious environments.