Shared Claude conversations and Artifacts containing personal and corporate information were found in Google and Bing search results over the weekend. The pages became searchable after users generated public links through Claude’s sharing feature, raising questions about whether Anthropic gave users sufficient warning that the content could be indexed.
Reports said the exposed material included medical information, internal company documents, employee reviews and contact details belonging to children. The total number of indexed conversations has not been confirmed.
Public Links Were Accessible to Search Engines
Anthropic’s sharing guidance says Claude conversations are private by default, but users can create a snapshot that anyone with the link can view. The link is difficult to guess, although the page itself becomes publicly accessible once sharing is enabled.
Anthropic said it does not provide search engines with a directory or sitemap of shared conversations. According to the company, links should generally become discoverable only when they are posted on publicly accessible websites, forums or social media.
However, Wired reported that Claude’s shared pages lacked individual “noindex” instructions, which tell search engines not to include a page in results. Anthropic had blocked search crawlers from shared-chat pages through its robots.txt file, but that measure alone may not prevent a URL from being indexed when it is linked elsewhere.
Google said website owners are responsible for deciding whether their public pages can be crawled or indexed. The company added that it follows the controls publishers place on their sites.
Sensitive Material Was Reportedly Exposed
Researchers and journalists reportedly found health documents, workplace information, code, phone numbers and other identifying details among the indexed pages. Some Claude Artifacts, which can contain interactive applications, documents and work notes, were also visible.
By Monday afternoon, searches using operators such as site:claude.ai/share no longer returned the same results on Google. Some pages reportedly remained discoverable through other search engines, while privately sent links that had not been published elsewhere were not believed to be searchable.
A similar incident occurred in 2025, when Google estimated that it had indexed just under 600 Claude conversations. Those pages included coding projects, corporate work and chats that identified users through names or information contained in their prompts.
Users Can Revoke Shared Links
Claude users can review public conversations under Settings, Privacy, Shared Chats. They can also open an individual conversation’s Share menu and change its visibility from Shared to Private, which disables the public link.
The incident shows that “anyone with the link” should be treated as public access rather than limited sharing. Sensitive personal, medical or company information should be removed before a public link is created.
Featured image credits: SlideTeam
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