The emperador ransomware group listed Bruin Group LLC on its data leak site on 2026-10-21. Country: US Sector: Other Claim as published on the leak site: Bruin Group LLC is a telecom expense management (TEM) and communications auditing firm. Companies hand them carrier invoices, circuit inventories, wire instructions, letters of authorization, and internal ticket correspondence so Bruin can audit and recover overcharges. Bruin sits on a concentrated pile of third-party financial and telecom data for every client they serve. We have your entire ticket repository. Wire instructions, account numbers, W-9s, EINs, signed LOAs, Tenet patient call trac