The daixin ransomware group listed ISTA International GmbH on its data leak site on 2022-08-09. Sector: Energy & Utilities Claim as published on the leak site: ista International GmbH provides submetering and billing of water and energy consumption. The Company offers heat allocation, water, and communication meters, installation systems, and smoke detectors. ista International caters their services to property managers, homeowners, and energy utilities worldwide. (over 6,000 ista employees in 22 countries.)