The qilin ransomware group listed Polar-studio on its data leak site on 2025-10-14. Country: SE Sector: Energy & Utilities Domains named: www.polar-studio.hu Claim as published on the leak site: In 1994, the company became a major energy company, marking the beginning of its rapid development in the electrical installation industry. A change of ownership in 2023 will undoubtedly ensure future growth and expansion. Our production fac ...