The dragonforce ransomware group listed ZFG ALTHERM Engineering on its data leak site on 2026-05-19. Country: AT Sector: Manufacturing Domains named: zfg-altherm.at Claim as published on the leak site: ZFG ALTHERM Engineering GmbH specializes in engineering services for technical building equipment. The company focuses on providing high-quality planning and consulting solutions tailored to complex and technically demanding projects. With a commitment to precision, know-how, and experience, they strive to develop individualized solutions for each client. Their target clients include those seeking specialized engineering services in the field of technical building infrastructure.