Simon Willison’s Weblog

Wrong-headed impersonation. Kim Cameron discusses user absent authentication, and emphasises the importance of delegation using delegation coupons.

Posted 5th March 2007 at 2:38 pm

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

authentication 13 delegation 2 delegationcoupons 1 identity 14 kimcameron 2

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