companionship allegedly hacked as reported by Qilin ransomware with details: 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 and Herzegovina. The primary activity of the fellowship is the distribution of thermal energy in the region of the City of Tuzla, which is categorized as a communal activity supply of thermal energy production and distribution of thermal energy.