CAPTCHA can be used to help protect your organization from spam and prevent hackers from access your web forms by asking your users to complete a simple test that proves the user is in fact a human and not a computer.
Captcha tests can be used to…
The following steps will walk you through a simple process to add CAPTCHA to your web form.
To being, locate the web form you wish to update by navigating to Online App > Web Forms > Search & Manage > locate your identified web form. You will create a new section to your web form for this process.
Navigate to the Layout tab, select Add Custom Section
In the pop up, create your Label for the field and select SAVE.
In your new section, you will now create a new field. Select the + sign to add a field. 
Add the name of your new field, the type can remain as Text. Select CREATE FIELD.
Now, edit the field by clicking on the show field and then click the pencil to edit.
As you edit this field, select the Type as Captcha (system) and click SAVE. Navigate to back 
You can now navigate back to the General tab and review your web form link, this will now expose the CAPTCHA component. 
