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

Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025
Living dangerously with Claude - 22nd October 2025

bruce-schneier 32 psychology 5 security 560

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