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<p><strong>Rat Two-Factor Authentication</strong> is a lightweight yet powerful security plugin that adds an extra layer of protection to your WordPress site through email-based One-Time Password (OTP) verification.</p>
<h4>Key Features</h4>
<ul>
<li><strong>Email-based OTP verification</strong> – Secure 6-digit codes sent to user’s email</li>
<li><strong>Lightweight and fast</strong> – Minimal impact on site performance</li>
<li><strong>User-friendly interface</strong> – Clean, responsive design that works on all devices</li>
<li><strong>Flexible settings</strong> – Enable 2FA globally or per user</li>
<li><strong>Role-based requirements</strong> – Require 2FA for specific user roles</li>
<li><strong>Session management</strong> – Secure session handling with timeout protection</li>
<li><strong>AJAX-powered</strong> – Smooth user experience without page reloads</li>
<li><strong>Auto-submit functionality</strong> – Automatically submits form when 6 digits are entered</li>
<li><strong>Resend functionality</strong> – Users can request new codes with cooldown protection</li>
<li><strong>Mobile-friendly</strong> – Optimized for mobile login experiences</li>
<li><strong>Security-first</strong> – Nonce protection, input sanitization, and secure coding practices</li>
</ul>
<h4>How It Works</h4>
<ol>
<li>User enters their username and password normally</li>
<li>If 2FA is enabled, they’re redirected to an OTP verification screen</li>
<li>A 6-digit code is sent to their registered email address</li>
<li>User enters the code to complete login</li>
<li>Code expires after 10 minutes for security</li>
</ol>
<h4>Perfect For</h4>
<ul>
<li><strong>Business websites</strong> requiring enhanced security</li>
<li><strong>E-commerce stores</strong> protecting customer accounts</li>
<li><strong>Membership sites</strong> with sensitive user data</li>
<li><strong>Multi-author blogs</strong> securing contributor access</li>
<li><strong>Any WordPress site</strong> wanting better login security</li>
</ul>
<h4>Admin Features</h4>
<ul>
<li><strong>Global 2FA setting</strong> – Enable for all users</li>
<li><strong>Force 2FA option</strong> – Make it mandatory for selected roles</li>
<li><strong>Role-based configuration</strong> – Choose which roles require 2FA</li>
<li><strong>User profile integration</strong> – Users can enable/disable 2FA individually</li>
<li><strong>Clean admin interface</strong> – Easy to configure and manage</li>
</ul>
<h4>Developer Friendly</h4>
<ul>
<li><strong>Well-documented code</strong> with inline comments</li>
<li><strong>WordPress coding standards</strong> compliant</li>
<li><strong>Hook system</strong> for customization</li>
<li><strong>Lightweight codebase</strong> for easy modification</li>
<li><strong>No external dependencies</strong> – Pure WordPress integration</li>
</ul>
<h4>Security Features</h4>
<ul>
<li><strong>Nonce verification</strong> for all AJAX requests</li>
<li><strong>Input sanitization</strong> and validation</li>
<li><strong>Secure OTP generation</strong> using WordPress built-in functions</li>
<li><strong>Session timeout</strong> protection (10 minutes)</li>
<li><strong>Rate limiting</strong> on resend requests</li>
<li><strong>No plain text storage</strong> of OTP codes</li>
</ul>
<h3>Configuration</h3>
<h4>Global Settings</h4>
<p>Navigate to <strong>Settings > Two-Factor Auth</strong> to configure:</p>
<ul>
<li><strong>Enable 2FA Globally</strong>: Turn on 2FA for all users</li>
<li><strong>Force 2FA for All Users</strong>: Make 2FA mandatory regardless of user preference</li>
<li><strong>Required User Roles</strong>: Select specific roles that must use 2FA</li>
</ul>
<h4>User Settings</h4>
<p>Each user can enable/disable 2FA in their profile:</p>
<ol>
<li>Go to <strong>Users > Profile</strong> (or <strong>Users > Your Profile</strong>)</li>
<li>Find the “Two-Factor Authentication” section</li>
<li>Check “Enable 2FA” to activate for that user</li>
<li>Save the profile</li>
</ol>
<h4>Email Configuration</h4>
<p>The plugin uses WordPress’s built-in <code>wp_mail()</code> function. Ensure your site can send emails properly. Consider using:</p>
<ul>
<li>SMTP plugins for reliable email delivery</li>
<li>Email services like SendGrid, Mailgun, or Amazon SES</li>
<li>Proper SPF/DKIM records for your domain</li>
</ul>
<h3>Support</h3>
<p>For support, feature requests, or bug reports:</p>
<ul>
<li><strong>Plugin Support</strong>: <a href="https://wordpress.org/support/plugin/rat-two-factor-authentication" rel="ugc">WordPress.org Support Forum</a></li>
<li><strong>Documentation</strong>: Available in the plugin’s admin area</li>
<li><strong>Bug Reports</strong>: Please provide detailed information about your setup</li>
</ul>
<h3>Contributing</h3>
<p>We welcome contributions! The plugin follows WordPress coding standards and best practices.</p>
<h3>Privacy Policy</h3>
<p>This plugin:<br />
* Stores minimal user data (2FA preference and temporary OTP hashes)<br />
* Does not send data to external services<br />
* Uses WordPress’s built-in email system<br />
* Follows WordPress privacy guidelines<br />
* Allows data export/erasure as per GDPR requirements</p>
<h3>Technical Requirements</h3>
<ul>
<li>WordPress 5.0 or higher</li>
<li>PHP 7.4 or higher</li>
<li>MySQL 5.6 or higher (or equivalent MariaDB)</li>
<li>Ability to send emails from WordPress</li>
<li>Modern web browser with JavaScript enabled</li>
</ul>
<h3>Credits</h3>
<p>Developed with ❤️ by the Rat Plugins team, focused on creating lightweight, powerful, and user-friendly WordPress plugins.</p>
<h3>License</h3>
<p>This plugin is licensed under the GPL v2 or later.</p>
<blockquote>
<p>This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.</p>
<p>This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.</p>
</blockquote>


Rat Two-Factor Authentication

Lightweight and powerful Two-Factor Authentication plugin for WordPress with email-based OTP verification.

miniOrange

twofactorauthentication

twofactor

Google Authenticator

<h3>Two Factor Authentication (2FA) for WordPress</h3>
<p>Secure your WordPress login with powerful <strong>Two Factor Authentication (2FA)</strong>.</p>
<p>miniOrange 2FA plugin protects your website from brute-force attacks, password leaks, and unauthorized access using OTP, SMS, Email, and Authenticator apps like Google Authenticator.</p>
<p>Improve your <strong>WordPress login security</strong> with <strong>multi-factor authentication (MFA)</strong> by adding a second verification step after password login. The <strong>free</strong> plan allows <strong>up to 5 users</strong> to complete 2FA setup on your site; <strong>premium</strong> removes that cap and adds advanced enforcement (trusted devices, multisite, branding, and more).</p>
<p>Set up <strong>2FA for WordPress</strong> in minutes for admins, editors, and customers where you enable it.</p>
<p>Enable <strong>2FA</strong> on standard <strong>wp-login</strong>, <strong>WooCommerce</strong> login, and <strong>custom login forms</strong>—each login can require a second factor for users who have completed setup (subject to your role and user limits on free).</p>
<ul>
<li>Easy setup wizard</li>
<li>Multiple 2FA methods including OTP, SMS, Email, and authenticator apps</li>
<li>Works with WordPress login, WooCommerce login, and many custom login forms</li>
<li>Suitable for blogs, business sites, WooCommerce stores, and enterprise sites</li>
</ul>
<p>Quick Links:<br />
<a href="https://plugins.miniorange.com/step-by-step-guide-for-wordpress-2-factor-authentication" rel="nofollow ugc">Setup Guide</a> |<br />
<a href="https://plugins.miniorange.com/2-factor-authentication-for-wordpress-wp-2fa" rel="nofollow ugc">Features</a> |<br />
<a href="https://faq.miniorange.com/" rel="nofollow ugc">Support</a></p>
<h3>WordPress 2FA Login Security</h3>
<p>Widely used on WordPress sites to strengthen login authentication and help prevent unauthorized access.</p>
<h3>Why Use Two Factor Authentication (2FA)?</h3>
<p>Passwords alone are not secure anymore.</p>
<p>Adding <strong>2FA to WordPress login</strong>:<br />
– Prevents brute-force attacks<br />
– Protects against password leaks<br />
– Secures admin & user accounts<br />
– Adds an extra verification layer<br />
– Strengthens overall WordPress login security</p>
<h3>Key Features of miniOrange WordPress 2FA Plugin</h3>
<ul>
<li><strong>Free 2FA for up to 5 users</strong> (complete setup per user; premium for unlimited)</li>
<li><strong>Multiple 2FA methods</strong> – OTP, SMS, Email, Authenticator Apps  </li>
<li><strong>Google Authenticator & TOTP support</strong></li>
<li><strong>Backup login methods (backup codes, email links)</strong></li>
<li><strong>Role-based 2FA enforcement</strong></li>
<li><strong>Step-by-step setup wizard</strong></li>
<li><strong>Custom login form support</strong></li>
<li><strong>WooCommerce & popular plugin compatibility</strong></li>
<li><strong>Login reports & IP alerts</strong></li>
<li><strong>Custom redirects after login</strong></li>
<li><strong>Passwordless login support (OTP login without password)</strong></li>
</ul>
<h3>Supported 2FA Authentication Methods</h3>
<h4>Authenticator Apps (TOTP-based 2FA)</h4>
<ul>
<li>Google Authenticator  </li>
<li>Microsoft Authenticator  </li>
<li>Authy Authenticator  </li>
<li>Duo Authenticator  </li>
<li>LastPass Authenticator  </li>
</ul>
<h4>OTP-Based Authentication</h4>
<ul>
<li>OTP via Email  </li>
<li>OTP via SMS  </li>
<li>OTP via WhatsApp <em>(Premium)</em>  </li>
<li>OTP via Telegram  </li>
<li>Email verification link  </li>
<li>Security questions  </li>
</ul>
<h3>2FA for WordPress Websites</h3>
<p>Ideal for:</p>
<ul>
<li>WordPress admins securing wp-login  </li>
<li>WooCommerce stores protecting customer accounts  </li>
<li>Membership websites  </li>
<li>LMS / eLearning platforms  </li>
<li>Agencies managing client websites  </li>
<li>Corporate & enterprise WordPress security  </li>
</ul>
<h3>Advanced 2FA Features (Premium)</h3>
<ul>
<li>Enforce 2FA for all users  </li>
<li>Trusted devices (remember user devices)  </li>
<li>Passwordless login (OTP login)  </li>
<li>Role-based policies  </li>
<li>Custom branding & white labeling  </li>
<li>Multisite support  </li>
<li>Custom SMS gateway integration  </li>
<li>Session & access control  </li>
<li>Force 2FA setup on login  </li>
</ul>
<h3>Easy 2FA Setup</h3>
<ol>
<li>Install & activate plugin  </li>
<li>Choose users/roles for 2FA  </li>
<li>Select authentication method  </li>
<li>Done! Your WordPress login is secured  </li>
</ol>
<h3>Works with Popular WordPress Plugins</h3>
<p>Compatible with:<br />
– WooCommerce<br />
– Elementor<br />
– Ultimate Member<br />
– BuddyPress<br />
– Theme My Login<br />
– LoginPress<br />
– Custom login forms</p>
<h3>Why Choose miniOrange 2FA</h3>
<p>miniOrange 2FA provides several authentication methods in one plugin, including OTP, authenticator apps, email verification, SMS, WhatsApp, and Telegram options. It also supports WooCommerce and many custom login forms, helping site owners add 2FA login security across common WordPress login flows.</p>
<h3>External Services</h3>
<p>Some 2FA methods require communication with miniOrange services to send or verify OTP, SMS, email, push, or account-related requests. These services are used only when you configure or use the related 2FA method.</p>
<p>Service links:<br />
<a href="https://www.miniorange.com/usecases/miniOrange_User_Agreement.pdf" rel="nofollow ugc">miniOrange Terms</a> |<br />
<a href="https://www.miniorange.com/privacypolicy" rel="nofollow ugc">miniOrange Privacy Policy</a></p>
<h3>Video Guide</h3>
<span class="embed-youtube" style="text-align:center; display: block;"><iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/rE-awZZt13Q?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe></span>


miniOrange 2FA – Two Factor Authentication for WordPress (OTP, SMS, Email, Google Authenticator)

Piyush provided the assistance I needed. the great support team for the free version is also... Very much appreciated!  5 stars are well deserved.

Great plugin with great support

Easy to use and Aswesome support


It's indeed a great plugin, with lot of options for many scenarios. 



One thing that it lacks is customization of the page of OTP, but you can modify /wp-content/plugins/miniorange-2-factor-authentication/controllers/twofa/mo2fa-common-login.php if you know what you're doing (it's just HTML to edit, nothing more).



The plugin have a good documentation and video tutorials, and, a nice thing, a support box right inside the plugin's page to contact support if you need anything.


Great plugin with nice funtionality

Add 2FA to WordPress login with OTP, SMS, Email, and authenticator apps. Free plan supports setup for up to 5 users.

Rat Two-Factor Authentication vs miniOrange 2FA – Two Factor Authentication for WordPress (OTP, SMS, Email, Google Authenticator)