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two-factor-authentication-best-practices

Configure the Better Auth twoFactor plugin for TOTP, email/SMS OTP, and backup codes.

Updated Mar 13, 2026
Search Tags:#security#authentication#better-auth#otp#2fa#mfa#totp
One-click install
npx skills add https://github.com/konneh-hub/Result-fastresult --skill two-factor-authentication-best-practices-konneh-hub
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: two-factor-authentication-best-practices
Source: https://github.com/konneh-hub/Result-fastresult/tree/main/.agents/skills/two-factor-authentication-best-practices
Command: npx skills add https://github.com/konneh-hub/Result-fastresult --skill two-factor-authentication-best-practices-konneh-hub

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers implement robust multi-factor authentication (MFA) flows, significantly enhancing user account security and preventing unauthorized access.

Core Features & Use Cases

  • MFA Setup: Guides through configuring TOTP authenticator apps, sending OTP codes via email/SMS, and managing backup codes.
  • Login Security: Implements secure 2FA sign-in flows, handles trusted devices, and provides options for disabling MFA.
  • Use Case: When integrating a new user authentication system, use this Skill to ensure all user accounts are protected with at least two forms of verification, such as a password and a time-based one-time code from an authenticator app.

Quick Start

Configure the twoFactor plugin in your server and client configurations and run the migration command.

Frequently Asked Questions about two-factor-authentication-best-practices

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement two-factor authentication using Better Auth?▼

To implement two-factor authentication using Better Auth, configure the twoFactor plugin in your server and client configurations and run the migration command to enable secure login flows.

Can I send OTP codes via email and SMS with Better Auth?▼

Yes, you can send OTP codes via email and SMS. The Better Auth twoFactor plugin provides guidance on OTP delivery methods alongside TOTP authenticator app setup for multi-factor authentication.

What is the best way to manage backup codes for 2FA?▼

The best way to manage backup codes for 2FA is using the Better Auth twoFactor plugin, which covers backup code generation, trusted device handling, and secure options for disabling MFA.

How does Better Auth handle session management and rate limiting for MFA?▼

Better Auth handles MFA security by addressing session management, rate limiting, and encryption at rest. These considerations enhance login security and prevent unauthorized access during 2FA sign-in flows.

Do I need to configure trusted devices when setting up TOTP authenticator apps?▼

Configuring trusted devices is optional when setting up TOTP authenticator apps. The Better Auth twoFactor plugin handles trusted device management to streamline user logins while maintaining multi-factor authentication security.

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