The threeam ransomware group listed bhn-expertise.com on its data leak site on 2026-09-28. Country: DE Sector: Professional Services Domains named: bhn-expertise.com Claim as published on the leak site: BHN Expertise is an accounting firm that helps businesses manage their financial records and grow smartly. With offices across Normandy in cities like Bolbec, Caen, Rouen, and Yvetot, they provide local support and personalized accounting services