Title: Greyfu Login Captcha
Author: greyfu
Published: <strong>3 Desember 2025</strong>
Last modified: 3 Desember 2025

---

Cari plugin

![](https://ps.w.org/greyfu-login-captcha/assets/banner-772x250.png?rev=3409811)

![](https://ps.w.org/greyfu-login-captcha/assets/icon-256x256.png?rev=3409811)

# Greyfu Login Captcha

 Oleh [greyfu](https://profiles.wordpress.org/greyfu/)

[Unduh](https://downloads.wordpress.org/plugin/greyfu-login-captcha.zip)

 * [Detail](https://id.wordpress.org/plugins/greyfu-login-captcha/#description)
 * [Ulasan](https://id.wordpress.org/plugins/greyfu-login-captcha/#reviews)
 *  [Instalasi](https://id.wordpress.org/plugins/greyfu-login-captcha/#installation)
 * [Pengembangan](https://id.wordpress.org/plugins/greyfu-login-captcha/#developers)

 [Bantuan](https://wordpress.org/support/plugin/greyfu-login-captcha/)

## Deskripsi

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.

### Third Party Services

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.

### Support / Contact

For issues or questions, please contact us:
 **Email:** hello@greyfu.com **Website:**
https://greyfu.com

## Tangkapan Layar

[⌊Math captcha displayed on the WordPress login page.⌉⌊Math captcha displayed on
the WordPress login page.⌉[

Math captcha displayed on the WordPress login page.

[⌊Example reCAPTCHA login interface (Pro extension).⌉⌊Example reCAPTCHA login interface(
Pro extension).⌉[

Example reCAPTCHA login interface (Pro extension).

[⌊Settings page showing configuration options.⌉⌊Settings page showing configuration
options.⌉[

Settings page showing configuration options.

## Instalasi

 1. Upload the plugin folder to `/wp-content/plugins/`.
 2. Activate the plugin through the **Plugins** menu.
 3. Configure settings under **Settings  Greyfu Login Captcha**.

## Tanya Jawab

### Does the free version work without external APIs?

Yes. The built-in math captcha requires no API keys and works out of the box.

### Does the plugin store personal data?

No. No personal or sensitive information is tracked, logged, or sent to remote servers.

### Is multisite supported?

Yes, this plugin works on WordPress Multisite installations.

## Ulasan

Belum ada ulasan untuk plugin ini.

## Kontributor & Pengembang

“Greyfu Login Captcha” adalah perangkat lunak open source. Berikut ini mereka yang
sudah berkontribusi pada plugin ini.

Kontributor

 *   [ greyfu ](https://profiles.wordpress.org/greyfu/)

[Terjemahkan “Greyfu Login Captcha” dalam bahasa Anda.](https://translate.wordpress.org/projects/wp-plugins/greyfu-login-captcha)

### Tertarik mengembangkan?

[Lihat kode](https://plugins.trac.wordpress.org/browser/greyfu-login-captcha/), 
periksa [repositori SVN ](https://plugins.svn.wordpress.org/greyfu-login-captcha/),
atau mendaftar ke [log pengembangan](https://plugins.trac.wordpress.org/log/greyfu-login-captcha/)
melalui [RSS](https://plugins.trac.wordpress.org/log/greyfu-login-captcha/?limit=100&mode=stop_on_copy&format=rss).

## Log Perubahan

#### 1.0.0

 * Initial release with math captcha support and Pro-ready structure.

## Meta

 *  Versi **1.0.0**
 *  Diperbarui **8 bulan yang lalu**
 *  Instalasi Aktif **Kurang dari 10**
 *  Versi WordPress ** 5.5 atau yang terbaru **
 *  Diuji hingga **6.9.5**
 *  Versi PHP ** 7.4 atau yang terbaru **
 *  Bahasa
 * [English (US)](https://wordpress.org/plugins/greyfu-login-captcha/)
 * Tag
 * [authentication](https://id.wordpress.org/plugins/tags/authentication/)[brute force protection](https://id.wordpress.org/plugins/tags/brute-force-protection/)
   [captcha](https://id.wordpress.org/plugins/tags/captcha/)[login](https://id.wordpress.org/plugins/tags/login/)
   [security](https://id.wordpress.org/plugins/tags/security/)
 *  [Tampilan lanjut](https://id.wordpress.org/plugins/greyfu-login-captcha/advanced/)

## Rating

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/greyfu-login-captcha/reviews/#new-post)

[Lihat semua ulasan](https://wordpress.org/support/plugin/greyfu-login-captcha/reviews/)

## Kontributor

 *   [ greyfu ](https://profiles.wordpress.org/greyfu/)

## Bantuan

Ada yang ingin dikatakan? Butuh bantuan?

 [Lihat forum bantuan](https://wordpress.org/support/plugin/greyfu-login-captcha/)