As friends of iGuRu.gr informed us, the page of the National Center for Research & Technological Development shows us that the site has been violated.
The subdomains who seems to have accepted her attack is http://nanoredsol.apt.cperi.certh.gr and belongs to https://www.certh.gr/.
The hack was carried out by Turkish hackers and the Nizam-I Cedid team consisting of members GhostHacker, KALKAN and Mr.Zone.
The page that was attacked
http://nanoredsol.apt.cperi.certh.gr/cedid.gif
We do not know more details at the moment, the hack has not been published on PoC websites yet, however the team «achievements» of, to account which he maintains on instagram.
https://www.instagram.com/p/CCRu7-VooXj/?fbclid=IwAR0d-1yGksMbozsJvx2LUksRZ3QTovgY3KlC3SQYFLKwlC09qhtvu-6vYmE