Apparently Exactum's Wi-Fi basestations are all down right now. Those aren't managed by department's IT group. We don't know why they are down and we don't know when they will come back up. We already contacted helpdesk though.

UPDATE: There is a problem with basestation's controller and University's IT people are working on it. Nobody knows when it will be fixed though.

UPDATE2: Link to University's break report (in Finnish).