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

The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025
LLM 0.27, the annotated release notes: GPT-5 and improved tool calling - 11th August 2025

bruce-schneier 30 psychology 5 security 539

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