If you produce content for your website, you should consider if you are happy with that content being used to train AI models.
The crawlers from ChatGPT and Google Bard (for example) can be disallowed through directives in the robots.txt file.
On Umbraco websites built by Born Digital, the robots.txt can be edited: navigate to Reusable Content & Config and scroll down to the Robots section.
Read more here