The akira ransomware group listed Mechanical Systems on its data leak site on 2025-11-27. Country: US Sector: Manufacturing Domains named: mscompany.com Claim as published on the leak site: Mechanical Systems Company offers building automation controls an d services. We are ready to upload more than 30GB files of essential corporat e documents such as: Employee personal information (SSNs, DLs, pa ssports and so on), confidentiality agreements, financials, clien ts information, NDA, etc.