All checkboxes for guests are unticked.
Yes, they can see the tags, not the topics. But the tags are also something they shouldn't see because it more or less discloses the content of the board.
Does anyone know if this is possible with the stock tools or if there is currently a plugin to acheive this?
The ability to select visibility of certain posts, for example an announcement, visible only to those in a specific group. Or a way to create categories only available to members of a specific group.
You can already create a category only visible to a certain group by creating such a group and selecting the privileges in the ACP.