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Simon Willison
@simonwillison.net

If you use "AI agents" (LLMs calling tools in a loop) you need to be aware of the Lethal Trifecta Combine access to private data, exposure to untrusted content and the ability to externally communicate and an attacker can trick the system into stealing your data simonwillison.net/2025/Jun/16/...

simonwillison.netThe lethal trifecta for AI agents: private data, untrusted content, and external communicationIf you are a user of LLM systems that use tools (you can call them “AI agents” if you like) it is critically important that you understand the risk of …

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