People Found Crypto Wallet Data in Claude Chats Indexed by Google

People shared private chats with Claude. Then strangers found those Claude chats indexed by Google, wallet details and all.

The chats also held access keys, CVs and company files. Anthropic, the company behind Claude, had not addressed the matter as of this writing.

Claude Chats Indexed by Google, Explained

A Reddit thread over the weekend showed the problem. One simple search brought up page after page of shared Claude chats.

People in the thread blamed a missing "noindex" tag. That tag tells Google to hide a page. The real cause looks different. Anthropic's robots.txt file tells search engines to skip its share pages.

Here is the catch. Google will not open a blocked page. So it never sees the hide tag inside.

Picture a locked door with a note taped behind it. Nobody gets in. Nobody reads the note either.

Google can still show the web address. Other sites link to it, so Google knows it exists. Google just cannot see what sits on the page. Its own guide spells this out.

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