A German IT website has found a list of 1826 compromised minecraft accounts – emails + passwords. I have searched and found said list (since they did not mention where to find it) and checked the list against our userbase.
So far only 2 users (who have not been active for years) have been matched with our users. Of course I can check only for users where the email address used to register the minecraft account is the same as the one they used for the server here. So in case you used a different address, please go here and check if your email is in the list.