Cyber security afloat or securing (very) big iron (eh21)

Ships and offshore units are big [citation needed]. Cyber attacks have the potential to disrupt supply chains even more cheaply than drones, cause massive oil spills, and even kill people. I'll talk about the technology employed on ships and drilling rigs, how vulnerable they are, and what's being done about it. about this event: https://fahrplan.eh21.easterhegg.eu/eh/talk/RJDZDT/