According to information received by iGuRu.gr, the airport of Cyprus (hermesairports.com) was violated.
So at the moment it is said that inter-service conversations, correspondence, monthly expenses, staff information, and more have been leaked.
The group behind the hack seems to be from Turkey. Below is evidence.
Microsoft SQL Server 2008
[*] ReportServer $ SQL2008
[*] ReportServer $ SQL2008TempDB
Update: We apologize to our readers for the reference to the airport of "Southern Cyprus". In our haste to spread the news we used the Turkish name. Title and text corrected.