Critical infrastructures (CI) are generally defined as those organisations, institutions, and networks whose functioning is essential to the survival and well-being of a society. They are typically grouped into functional „sectors“ which provide a specific service or good. I am currently thinking about scaling up the concept of CI to the global level – more on that in due course – and an early problem is to decide which sectors of CI I want to look at. You see, there is no globally accepted standard which sectors are considered critical. Instead, every country comes up with its own, slightly different…