troupe allegedly hacked as reported by Gentleman ransomware with details: kuper.de Heinrich KUPER GmbH is an internationally active medium-sized fellowship headquartered in Rietberg, Germany, with approximately 120190 employees. The company specializes in developing and manufacturing machines and systems for veneer processing, solid wood working, automated packaging technology, and special-purpose woodworking equipment. As a quality leader in veneer and forest processing technology, KUPER serves customers worldwide with individualized solutions and comprehensive service support.