The qilin ransomware group listed Centralno grijanje Tuzla on its data leak site on 2025-05-27. Country: BA Sector: Manufacturing Domains named: www.grijanjetuzla.ba Claim as published on the leak site: The central heating of the city of Tuzla was established in 1977 and since then has provided its users with central heating services that cannot be compared in terms of reliability, quality, and price to any other type of heating in Bosnia an ...