Simon Willison’s Weblog

The Psychology of Security. I haven’t even started on this yet, but I bet it’s worth reading.

Posted 9th February 2007 at 1:27 am

Recent articles

Large Language Models can run tools in your terminal with LLM 0.26 - 27th May 2025
Highlights from the Claude 4 system prompt - 25th May 2025
Live blog: Claude 4 launch at Code with Claude - 22nd May 2025

bruce-schneier 30 security 518 psychology 5

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