The akira ransomware group listed Sehlmann Fensterbau on its data leak site on 2026-04-09. Country: DE Sector: Manufacturing Domains named: sehlmann.de Claim as published on the leak site: Sehlmann Fensterbau GmbH specializes in wooden and wood-metal win dows in the Hamburg metropolitan area. They offer optimal window solutions for innovative new constructions and stylish renovation s, providing services from consultation and planning to productio n and installation. We will upload 44gb of corporate data soon. Employee personal fil es (passports, DLs, EU IDs and other files), financials, lots of project files, etc.