We are using confluence for our internal team, however I'm consider using it for our clients to organise a conference. Can I separate out the information so that the external groups only see the project they are involved with and none of our other confluence information?
I asked a similar question a while ago (https://answers.atlassian.com/questions/36177905)
The way we solved this was by granting access to Confluence using the confluence-users group, but removing that group from the permissions of all spaces. Permissions to spaces are granted to other specific groups so that users who are only members of confluence-users actually have no access until they are given access to at least one other group.
For example, you might have three groups:
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