The byod ransomware group listed TMobile on its data leak site on 2026-10-07. Country: US Sector: Technology Claim as published on the leak site: You're in big big trouble, oh no, what will you ever do in this situation? Well, we think you should get in touch with BYOD. We won't display what we have for the public to see, just yet, we'll give you the chance. Anyways, you know where to find us (contact tab). We will take you down when communication has been established between our team and yours.