As the title says I am curious whether there is a built-in option for a captcha or "I'm not a a robot" check box so that I can be moderately sure it's a human signing up?
Sorry this functionality is not available on ACS as of now.
Can you please reach out to support and log an enhancement request.
Thank you for the link you provided. Do you have a link for ACS?
The link you provided is for Adobe Campaign Classic.
Sorry here the correct link :
Thank you for the answer, actually I just want to be sure that the signup form I am using from the acquisition template is not misused.
Also I think your link is pointing back to this page, can you try to provide the link again? Thank you.
I am assuming you want to use captcha on a webApp , Survey or a web form.
This article describes how to insert a captcha in web forms.
Captcha for Acquisition landing page?
Hope this helps.