https://simonwillison.net/2025/Jun/16/the-lethal-trifecta/
The lethal trifecta for AI agents: private data, untrusted content, and external communication
If 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 …
lethal trifectaai agentsdata
https://hiddenlayer.com/innovation-hub/the-lethal-trifecta-and-how-to-defend-against-it/
How the Lethal Trifecta Expose Agentic AI
Nov 25, 2025 - Simon Willison’s “Lethal Trifecta” warns of the dangers for Agentic AI. Learn how to secure these risks across Agentic AI, MCP, and LLM ecosystems.
lethal trifectaagentic ai
https://simonwillison.net/2025/Aug/9/bay-area-ai/
My Lethal Trifecta talk at the Bay Area AI Security Meetup
I gave a talk on Wednesday at the Bay Area AI Security Meetup about prompt injection, the lethal trifecta and the challenges of securing systems that use MCP....
lethal trifectabay areatalkai