The akira ransomware group listed KSL Ingenieure on its data leak site on 2026-01-05. Country: DE Sector: Professional Services Domains named: ksl-ing.ch Claim as published on the leak site: KSL Ingenieure GmbH is a consulting firm based in Herrischried th at specializes in various engineering services including building energy consulting, structural engineering, and geotechnical cons truction. We will upload corporate 17 gb of corporate data soon. Confidenti al project files, employee scanned documents (DLs, passports and other files), HR files, projects, agreements, detailed financials , customers and partners information and so on.