There are 2 projects in JIRA which are visible to all users, even though all users haven't been assigned the permissions. The issues of these projects aren't visible when searched for, however the projects can be seen on the dashboard.
Check this plugin https://plugins.atlassian.com/plugins/com.keplerrominfo.jira.plugins.rightsdna
It has sanity checks, so it should answer your question.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.