The incransom ransomware group listed Funktel GmbH on its data leak site on 2025-06-04. Country: DE Sector: Technology Domains named: funktel.de Claim as published on the leak site: With its head office in Salzgitter, funktel GmbH is a leading manufacturer of professional security and communication solutions based on DECT and TETRA for industry, public utilities and authorities. funktel GmbH become a victim of the largest data breach. 3.5TB sensitive data will be published soon in our blog.