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Shared Claude chats were searchable on Google

medmalwarebytes_blogPublished 2026-07-28

<p class="wp-block-paragraph">Reddit users found that by using a specific Google search query, it was possible to find Claude conversations that users had shared.</p>

<p class="wp-block-paragraph">This exposed sensitive material, including crypto wallet keys, names, addresses, work notes, and even erotic or otherwise policy-violating chats. <a href="https://fortune.com/2026/07/27/a-trove-of-use

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://www.malwarebytes.com/blog/privacy/2026/07/shared-claude-chats-were-searchable-on-google