If you mean by access the user abiltiy to see issues in a project, then you should make sure that the user does not have browse projects permission for all the projects where the user is not supposed to see issues. He does not have to be in a role or a group to which the permission is granted. More about project permission you can read here:
Introduction This article will give insight on how a small software development department implemented Atlassian products to enhance and streamline the business process. The privately held company h...
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