4login

Secure your site with a strong password — without the hassle of remembering it. 
With 4Login, you get simple yet powerful authentication that connects to an external server. 
Simply create your own pattern to generate a dynamic password that updates every 60 minutes.
Please refer to the <a href="https://www.4login.jp/" rel="nofollow ugc">operation Instructions </a> for instructions on how to use 4Login.
<h3>External services</h3>
This plugin connects to an external API to enable 4Login authentication. 
When logging in with 4Login, the plugin sends the 4Login App Service ID, the user’s email address, and a dynamic password . 
These credentials are entered directly within the WordPress login interface.
This authentication service is provided by Passlogy. 
For more information, please review our 
<a href="https://www.4login.jp/en/auto_terms/" rel="nofollow ugc">Terms of Service</a> and 
<a href="https://www.4login.jp/privacy-policy/?en=app" rel="nofollow ugc">Privacy Policy</a>.

4Login for Secure And Smart Access

4Login will give you an easy and powerful authentication (connect to an external server for authentication).

Tushar Sharma

Email OTP Login adds an additional layer of security to your WordPress site by requiring users to verify an OTP sent to their email after entering their username and password. This ensures that only users with access to the registered email can log in.
Features:
<ul>
<li>Email OTP verification during login.</li>
<li>OTP expires in 5 minutes (configurable).</li>
<li>OTP stored securely using WordPress password hashing.</li>
<li>Works with the default WordPress login form.</li>
<li>Uses WordPress built-in <code>wp_mail()</code> function (works with SMTP plugins).</li>
</ul>
This plugin does not modify WordPress core files.
<h3>License</h3>
This plugin 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, version 2 or later.
This plugin 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.

Email OTP Login

Adds OTP (One-Time Password) verification after login for enhanced security in WordPress. OTP is sent to the user's email.

4Login for Secure And Smart Access vs Email OTP Login