The qilin ransomware group listed kontek.com on its data leak site on 2025-06-19. Country: US Sector: Technology Domains named: kontek.com, 29.06.2025.kontek Claim as published on the leak site: All data of this company will be available for download on 29.06.2025.KONTEK Systems partners with customers to design, integrate and support audio-visual technology solutions.