The medusa ransomware group listed Symposia Organizzazione Congressi S.R.L on its data leak site on 2023-10-16. Sector: Hospitality Claim as published on the leak site: Symposia Organizzazione Congressi S.R.L is an Italian company founded 30 years ago, specializing in the organization of events. The main office of the company is located at Palazzo del Melograno ("Pomegranate Palace") in Campetto in Genoa