reCAPTCHA, developed by Google has been at the forefront of bot mitigation for over a decade and actively protects data for millions of sites.

The technology uses an advanced risk analysis engine and adaptive challenges to keep malicious software from engaging in abusive activities on your website. Meanwhile, legitimate users will be able to log in, view pages, or create accounts and fake users will be blocked.

Learn more about reCAPTCHA on Google 

Available on the Tribe app marketplace.

Admins can install the reCAPTCHA app in their community.

To enable reCAPTCHA v2 on a custom domain, you have to register your site and insert your public and private key within the Tribe's reCAPTCHA app settings. 

By enabling the reCAPTCHA app, new users would need to pass reCAPTCHA to create a new account. This will prevent spam accounts to be created on your Tribe. 

Learn more from the knowledge base article.