Nine OT Protocol Investigations Later, My Lab Got Smaller and My Research Got Better
Nine industrial protocols later, the protocol research series is over. When I started it, I thought I was going to learn industrial protocols, and that was true, but it turned out to be only part of what I was doing because I was also learning how to research them.
My first attempt looked very different from my last one. I built larger labs than I needed, chased details without knowing why I was looking for them, and sometimes treated the protocol itself as the scope of the research, but that changed over time.
I started asking better questions, building smaller experiments, writing my own harnesses, capturing traffic, and using the packets themselves as evidence. The research became less about trying to understand everything a protocol could possibly do and more about answering specific questions about how it actually behaved, and this article is about that change.
Why I ended up...
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