The crypto24 ransomware group listed CMS Legal Services EEIG on its data leak site on 2025-08-16. Country: DE Sector: Professional Services Domains named: cms.law Claim as published on the leak site: We are in possession of highly confidential data belonging to CMS, one of the largest international law firms, including government and national infrastructure project files, sensitive contracts with multinational corporations, tax authority system access records, internal financial and legal documents, as well as payroll and personnel information. The complete dataset and its full file list will be publicly released in its entirety.