Earlier quoted context omitted.
For a long time, I’ve believed that the actual solution is to make the system transparent enough that a compromised system is obvious. Imagine playing hide and go seek in the salt flats
What does that actually mean?
GP was saying that systems should be "transparent enough that a compromised system is obvious". I'm not entirely convinced that that's possible (On Trusting Trust should have taught us that compromised systems can create places for the compromise to hide), which means that the salt flats analogy is not a great analogy, IMHO. But at least now you understand the analogy.