Simon Willison’s Weblog

Stopping spambots with hashes and honeypots. Ned’s analysis of how spambots work, along with some relatively simple tricks that should fool most of them.

Posted 23rd January 2007 at 1:39 pm

Recent articles

How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025
A new way to extract detailed transcripts from Claude Code - 25th December 2025
Cooking with Claude - 23rd December 2025

commentspam 4 hashing 12 ned-batchelder 18 spam 29 spambots 1

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