As a platform engineer, I would go to the admin console and click on "workspace settings" and start by looking into the below settings.

Repos: true, so that Repos integration is possible

The next two settings, are important to make the overall experience private.

As we work with Azure DevOps Repos, we are able to whitelist this URL https://dev.azure.com/<org-name>;

if someone tries to push to repo URL, which is not under whitelist then, they are bound to get below screen

As a data engineer, I would use integration option under User settings