Simon Willison’s Weblog

When Ajax Attacks! Web application security fundamentals. Slides and notes from my talk on web application security at @media Ajax last Tuesday.

Posted 20th September 2008 at 4:16 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

ajax 61 atmediaajax 2 atmediaajax2008 1 csrf 53 javascript 732 security 573 slides 12 speaking 117 my-talks 90 xss 60

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