Simon Willison’s Weblog

17th September 2008 - Link Blog

When Ajax Attacks! Web application security fundamentals. Slides and (other people’s) notes from my presentation at @media Ajax on Tuesday.

Posted 17th September 2008 at 11:18 pm

Recent articles

A pelican for GPT-5.5 via the semi-official Codex backdoor API - 23rd April 2026
Is Claude Code going to cost $100/month? Probably not - it's all very confusing - 22nd April 2026
Where's the raccoon with the ham radio? (ChatGPT Images 2.0) - 21st April 2026

This is a link post by Simon Willison, posted on 17th September 2008.

ajax 61 atmediaajax 2 atmediaajax08 1 csrf 54 javascript 750 security 598 speaking 119 my-talks 90 xss 60 recovered 213

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