If you're logged into Atlassian (Jira/Confluence) with the same account on multiple projects, can folks from other projects see your other Spaces in notifications or anywhere else?
I'm not sure exactly what is your question, but on Jira and Confluence, the users can only see and access the projects and spaces that they have permission.
In case they do not have permission, they won't be able to access or even see the project r space.
Hope it helps.
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