This training provides a sound and practical introduction to the requirements of the NIS2 Directive and the NIS2UmsuCG, the planned KritisDachGesetz (KritisDachG) and their significance for critical infrastructures, important and particularly important facilities. The aim is to give participants a holistic understanding of the legal requirements and to develop specific solutions that can be implemented for the respective facility. The training takes into account the growing importance of important and particularly important facilities, which are increasingly becoming the focus of regulatory requirements in accordance with NIS2. It provides a detailed overview of the security requirements and shows practical ways to strengthen physical and technical resilience.