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Notes on private AI

Short pieces on privacy, security and how we build Cognos - written for people who would rather not become a search result.

PrivacyIndustry
Your shared AI chat is a public web page
Hundreds of people's Claude conversations turned up in Google results this week: medical records, résumés, working API keys. The mechanism behind it is ordinary. What it reveals about where your chat history actually lives is the interesting part.
28 July 20265 min readRead the article