two-factor-authentication-best-practices

Name: two-factor-authentication-best-practices
Availability: InStock
Author: Remco

Configure two-factor authentication with Better Auth's twoFactor plugin.

1|Updated May 26, 2025

Search Tags:#security #authentication #MFA #Better Auth #two-factor authentication

Ready to run

npx skills add https://github.com/remcostoeten/dotfiles --skill two-factor-authentication-best-practices-remcostoeten

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: two-factor-authentication-best-practices
Source: https://github.com/remcostoeten/dotfiles/tree/main/configs/agents/skills/two-factor-authentication-best-practices
Command: npx skills add https://github.com/remcostoeten/dotfiles --skill two-factor-authentication-best-practices-remcostoeten

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires better-auth, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides a comprehensive guide to configure and manage two-factor authentication (2FA) using Better Auth's twoFactor plugin, ensuring secure login processes.

Core Features & Use Cases

TOTP Setup: Configures TOTP authenticator apps and manages backup codes.
Email/SMS OTP: Send verification codes via email or SMS for an additional layer of security.
Backup Codes: Generates and manages single-use backup codes for recovery.
Trusted Devices: Handles trusted devices and their trust durations.
Security Considerations: Provides best practices for session management, rate limiting, and encryption.
Use Case: For applications requiring MFA to enhance login security, such as web services and enterprise systems.

Quick Start

Use the two-factor-authentication-best-practices skill to add two-factor authentication to your Better Auth implementation by adding the twoFactor() plugin to your server and client configurations.

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 with Better Auth, add the `twoFactor()` plugin to your server and client configurations. This enables MFA functionality, including TOTP setup, backup codes, and verification code delivery via email or SMS.

Does Better Auth support TOTP authenticator apps and backup codes for MFA?▼

Yes, Better Auth's twoFactor plugin supports TOTP authenticator app configuration and generates single-use backup codes. This allows users to verify via authenticator apps and recover access safely if they lose their primary devices.

What's the best way to send email or SMS verification codes for two-factor authentication?▼

The best way to send email or SMS verification codes is by utilizing Better Auth's twoFactor plugin, which manages Email/SMS OTP delivery natively. This adds an additional security layer to your application's login process.

How do I manage trusted devices and their trust durations in Better Auth?▼

You manage trusted devices and their trust durations using the Better Auth twoFactor plugin. This feature allows your application to remember a device for a specified period, reducing frequent MFA prompts for returning users.

What security considerations should I follow when setting up MFA?▼

When setting up MFA, follow security best practices like strict session management, rate limiting, and encryption. The Better Auth twoFactor plugin provides configuration options to enforce these protections for secure logins.