The core activity of Koller Engineering GmbH is to provide consulting services, technical services and equipment for drone defense and the protection of IT facilities. Specifically, this includes: Drone Defense (C-UAS): protection against unwanted drones; Enterprise Drones: provision of drones for demanding tasks in a professional environment; Penetration Testing: security testing of IT facilities; Consulting Services: expert opinions, lectures and training in the field of drone defense and IT security. The company thus offers solutions for the security and protection of facilities and systems against drones and IT threats.