Anthropic's Shared Chat Feature Exposed Private Claude Conversations to Google Indexing

Anthropic's share-chat links were being indexed by Google Search, meaning private conversations—potentially containing sensitive business logic, personal data, or proprietary information—became discoverable through standard web searches. This is a failure in API design and security defaults: the company made shareable links publicly indexable without requiring explicit opt-in from users, violating the basic expectation that "shared with a link" means limited distribution. For enterprises and consumers building workflows around Claude, this breach of confidentiality trust affects adoption and raises questions about whether frontier AI platforms have the security maturity that corporate deployment requires.