Assume the channel
is hostile.
Every transport below hands an adversary a complete, error-free copy of what crosses it. That is the premise, not the risk. These are case studies in what survives the taking.
Why this matters where you work
The demonstrations above are sector-agnostic — a camera does not care what industry the screen belongs to. What differs is the cost of the copy, and who is already required by law to have thought about it. Each brief below cites its sources.