As his friends told us iGuRu.gr, the page of the National Center for Research & Technological Development shows us that the site has been hacked.
The subdomain that seems to have accepted her attack is http://nanoredsol.apt.cperi.certh.gr and belongs to https://www.certh.gr/.
The hack was done by Turks 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