Prompt Injection Is an Authority Collision
Explain why prompt injection is a boundary failure and identify the controls a red team should test.
The attacker wins when data becomes instruction. Prompt injection is not a personality flaw in the model. It is a boundary flaw in the system around the model. The red-team question is not only can I make it say something weird. The better question is can external content change what the system is allowed to do. ## The Mechanism The model is asked to follow instructions, but the context window may include emails, PDFs, tickets, code comments, web pages, and tool output. Those materials can contain text that looks like instructions. If the application has not separated trusted control text…
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