Here's the thing nobody wants to hear: we already know how to break systems where components blindly trust each other's output. We've known for twenty-five years. We just gave it a new name and forgot the lesson. Context An "AI harness" is orchestration glue. Take an LLM, wrap it with a bunch of connectors, plugins, and tool-calling scaffolding so it can actually do things (query a database, hit an API, write a file), and you've got a harness. The Dark Reading piece points out so...