In the MIL-STD-882 lexicon of hazard analyses there’s one called a System Hazard Analysis which according to the standard is intended to identify interaction and interface related hazards.
This sounds wonderful in theory and I’ve certainly seen a number toy examples touted in various text books on what it look like. But, to be honest, I’ve never really been convinced by the examples given. So the subject of this post is to give a real world example.