greyfu

Greyfu Login Captcha adds a secure verification step to your WordPress login form, helping block automated login attempts and brute-force attacks.
Lite Version (Free): 
* Simple math-based captcha 
* Multisite compatible 
* Lightweight and fast 
* No personal data stored or transmitted 
* Works without any external service
Pro-Ready Features (Optional Upgrade): 
* Infrastructure prepared for reCAPTCHA v2 integration 
* Infrastructure prepared for hCaptcha integration 
* API key fields included
The free version is fully functional on its own and does not require any external captcha service.
<h3>Third Party Services</h3>
This plugin optionally connects to external captcha services when the Pro features are enabled:
Google reCAPTCHA (Optional) 
When reCAPTCHA is enabled in Pro settings, the plugin sends verification requests to Google’s reCAPTCHA service. 
– Service: https://www.google.com/recaptcha/ 
– Privacy Policy: https://policies.google.com/privacy 
– Terms of Service: https://policies.google.com/terms 
– Data sent: User’s IP address and reCAPTCHA response token 
– When: Only during login form submission when reCAPTCHA is enabled
hCaptcha (Optional) 
When hCaptcha is enabled in Pro settings, the plugin sends verification requests to hCaptcha service. 
– Service: https://www.hcaptcha.com/ 
– Privacy Policy: https://www.hcaptcha.com/privacy 
– Terms of Service: https://www.hcaptcha.com/terms 
– Data sent: User’s IP address and hCaptcha response token 
– When: Only during login form submission when hCaptcha is enabled
The free/lite version uses a built-in math captcha that does not connect to any external service.
<h3>Support / Contact</h3>
For issues or questions, please contact us: 
Email: hello@greyfu.com 
Website: https://greyfu.com

Greyfu Login Captcha

A lightweight captcha that protects your WordPress login page from automated bot attacks using a simple math challenge.

Aman Brar

Simple Login Guard is a lightweight login security plugin designed to protect your WordPress website from brute-force attacks. 
It monitors every login attempt, logs failed and successful logins, tracks suspicious behavior, and automatically blocks IP addresses that exceed your configured threshold — keeping your site safe without slowing it down.
No confusing settings. No bulky security suite. 
Just simple, effective login protection.
<h3>🔐 Key Features</h3>
Monitor Failed & Successful Login Attempts 
 – Logs every attempt with username, IP, timestamp, and status.
Automatic IP Blocking 
 – Block IPs that exceed a defined number of failed attempts within a time window.
Customizable Security Rules 
 – Failed attempts threshold 
 – Lockout duration 
 – Time window for counting attempts 
 – Retention period for logs
Manual Block / Unblock IPs 
 – Block or unblock IP addresses from the admin dashboard.
Lightweight and Fast 
 – Uses optimized database queries and caching to avoid performance issues.
Safe Logging Table 
 – Creates a separate database table for login attempts, leaving core tables untouched.
<h3>📊 Admin Dashboard</h3>
The plugin includes an easy-to-use interface under:
Tools → Simple Login Guard
Sections include:
<ul>
<li>Settings</li>
<li>Blocked IPs List</li>
</ul>

Simple Login Guard – Monitor & Block Attempts

Monitor failed login attempts and automatically block IPs after multiple failures. Lightweight and easy to use.

Greyfu Login Captcha vs Simple Login Guard – Monitor & Block Attempts