GreeceNetwork security softwareOpen Network microsegmentation software licences and implementation services ΕΛΛΗΝΙΚΗ ΡΑΔΙΟΦΩΝΙΑ ΤΗΛΕΟΡΑΣΗ ΑΝΩΝΥΜΗ ΕΤΑΙΡΕΙΑ (Ε.Ρ.Τ. Α.Ε.) Submission deadline November 16, 2026 Time not stated Contract value €621,900