The spacebears ransomware group listed Siem Srl on its data leak site on 2026-02-13. Country: IT Sector: Energy & Utilities Domains named: www.siem.it Claim as published on the leak site: Siem Srl, part of Kalisa Holding Srl, specializes in automation and protection systems for electrical infrastructures. The company develops equipment for energy management and monitoring, serving major airports and civil-industrial facilities. Siem Srl offers tailored solutions focused on enhancing efficiency and integrating renewable energy sources. Its products are known for high reliability and quality, making them highly sought after by large enterprises and infrastructure projects.- customer contracts- financial reports- customer drawings (factories, airports, etc.)- employee personal data- projects https://www.siem.it