The nitrogen ransomware group listed SIRIUS S.R.L. on its data leak site on 2025-03-31. Country: IT Sector: Energy & Utilities Domains named: sirius.to.it Claim as published on the leak site: Sirius is a company that specializes in energy automation, particularly in the management and remote control of renewable energy plants. The company provides services such as software development, commissioning, training, and ongoing technical support.