jsonstein@masto.deoan.org ("Jeff Sonstein") wrote:
Early internal security-service checks reported in Greek media point to malfunction of critical antenna installation in mountainous terrain (in Ger area) supporting Athens FIR radio network [unconfirmed]
Authorities have not presented evidence of cyberattack, current reporting focuses on technical/system failures in a UHF antenna network rather than deliberate interference; however, formal root‑cause analysis and technical report have not been published.