Anthropic’s new data retention policies cause Microsoft to temporarily ban its employees from using Claude Fable 5 AI
windowscentral.com Jun 12, 2026

Anthropic’s new data retention policies cause Microsoft to temporarily ban its employees from using Claude Fable 5 AI

AI-summarised brief · reviewed before publication

Microsoft has temporarily banned its employees from using Claude Fable 5, a powerful AI model developed by Anthropic, due to concerns over data retention risks. Anthropic's new data retention requirements allow it to retain prompts and outputs for up to 30 days and flagged content for up to 2 years. Microsoft fears that sensitive information could be inadvertently shared, potentially exposing it to rival companies. The company is reviewing Anthropic's data retention requirements with its legal and compliance teams.

💡 Why It Matters

  • · Microsoft's decision highlights the growing tension between companies' need for powerful AI tools and their concerns over data security and compliance.
  • · By limiting access to Claude Fable 5, Microsoft is prioritizing the protection of its sensitive information over the convenience of its employees.