Simon Willison’s Weblog

Baghdad Girl (via) 13 year old Iraqi cat blogger.

Posted 28th January 2005 at 2:07 pm

Recent articles

The lethal trifecta for AI agents: private data, untrusted content, and external communication - 16th June 2025
An Introduction to Google’s Approach to AI Agent Security - 15th June 2025
Design Patterns for Securing LLM Agents against Prompt Injections - 13th June 2025

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe