The thegentlemen ransomware group listed TDS on its data leak site on 2026-05-09. Country: US Sector: Technology Domains named: tdstelecom.com Claim as published on the leak site: tdstelecom.com TDS Telecommunications LLC, founded in 1969 and headquartered in Madison, Wisconsin, is a leading U.S. telecommunications provider serving residential and business customers across urban, suburban, and rural communities. The company delivers high-speed fiber-optic internet (up to 8 Gigabit), IP-based TV entertainment, and traditional phone services, alongside business solutions like VoIP, dedicated internet, and data networking. With over 1.1 million connections, TDS is a wholly owned subsidiary of Telephone and Data Systems, Inc. (NYSE: TDS), committed to enhancing communities through reliable, innovative communications technology.