Ensuring the security of your Drupal forms is crucial to prevent spam and unauthorized submissions. One effective way to achieve this is by using the CAPTCHA module. In this article, I'll guide you through the process of installing and configuring the CAPTCHA module in Drupal.

What is the CAPTCHA Module?

The CAPTCHA module provides a challenge-response test to determine whether the user is human or a bot. This is an effective method to prevent spam submissions on your forms. The module supports various types of CAPTCHA challenges, including text, image, and mathematical questions.

Steps to Install and Configure the CAPTCHA Module

Follow these steps to install and configure the CAPTCHA module for your Drupal site:

1. Install the CAPTCHA Module:

First, you need to download and install the CAPTCHA module. You can do this via the Drupal admin interface or using Composer.

Using Composer:

composer require drupal/captcha
drush en captcha -y
drush en image_captcha -y

Alternatively, you can download the module from the Drupal.org CAPTCHA module page and install it manually.

2. Enable the captcha and Image_captcha module:

Once those module are installed, go to Extend in the Drupal admin interface, find the captcha and image captcha module in the list, and enable it.

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3. Configure the CAPTCHA Module:

Navigate to Configuration > People > CAPTCHA to configure the CAPTCHA module.

• Default challenge type: Select Image (from module image_captcha)

• Add CAPTCHA to forms: Select the forms where you want to enable CAPTCHA

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4. Configure CAPTCHA Points:

To configure CAPTCHA for specific forms, go to Structure > CAPTCHA Points. Here you can assign CAPTCHA to different forms and set specific configurations for each form.


• Form ID: Select the form where you want to add the CAPTCHA.
• Challenge type: Choose the CAPTCHA type for this specific form.
• Description: Optionally, add a description for the CAPTCHA.