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two-factor-authentication-best-practices

Configure Better Auth's twoFactor plugin for TOTP, OTP, and backup codes.

Updated Oct 12, 2025
Search Tags:#security#authentication#better-auth#otp#2fa#totp#two-factor-authentication
One-click install
npx skills add https://github.com/zomeru/rezumerai --skill two-factor-authentication-best-practices-zomeru
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: two-factor-authentication-best-practices
Source: https://github.com/zomeru/rezumerai/tree/main/.agents/skills/two-factor-authentication-best-practices
Command: npx skills add https://github.com/zomeru/rezumerai --skill two-factor-authentication-best-practices-zomeru

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides structured guidance and implementation patterns for integrating and securing two-factor authentication (2FA) using Better Auth.

Core Features & Use Cases

  • Setup guidance: configure 2FA with a standard issuer and provide client and server integration steps.
  • Verification flows: support TOTP (authenticator apps), OTP via email/SMS, and backup codes with secure storage options.
  • Use Case: A developer adds 2FA for credentialed accounts to mitigate account takeovers across a web app.

Quick Start

Enable Better Auth twoFactor with a default issuer and migrate to activate TOTP-based verification for new users.

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 set up two-factor authentication with Better Auth?▼

Better Auth two-factor authentication supports TOTP for authenticator apps, OTP via email or SMS, and backup codes, allowing you to choose the verification flow that fits your web or mobile client.

Can I use 2FA backup codes with Better Auth for account recovery?▼

Yes, Better Auth two-factor authentication is designed for web applications requiring credential-based sign-in, mobile and web clients, and admin dashboards, mitigating account takeovers across these platforms.

How does Better Auth handle trusted devices for two-factor authentication?▼

Better Auth two-factor authentication provides migration steps and configuration guidance to transition existing users to TOTP-based verification, ensuring a smooth activation path for new accounts.

What is the best way to configure a 2FA issuer in Better Auth?▼

The best way to configure a 2FA issuer in Better Auth is to set a default standard issuer when enabling the twoFactor plugin, ensuring authenticator apps display consistent and correct branding for your application.

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