The global secret group ransomware group listed TDS Telecommunications LLC. on its data leak site on 2026-10-29. Country: US Sector: Energy & Utilities Domains named: tdstelecom.com Claim as published on the leak site: Country: Madison, Wisconsin, US | Website: tdstelecom.com | Revenue: $1.30 Billion | Industry: Telecommunications, Internet Service Providers | Employees: 3,000-5,000 | Properties: 27.4 GB (79,679 Files, 1,943 Folders)