-> In nearly all industries, we depend on the Internet and a operational IT infrastructure for essential work processes. -> Operators of critical infrastructures must be prepared to deliver their services even when the Internet is unavailable. This includes communication within the organisation and with the state crisis and disaster management authorities. -> If damage occurs to critical infrastructure, it is called a networked crisis. Among other things, it is characterised by a high level of dynamism, which makes it hard to make reliable predictions about the future course of the crisis. In this case, communication skills and crisis management are clearly more important than strict checklists