zombie data

Zombie data refers to cached information from GitHub repositories that remains accessible even after the repository's privacy settings have been changed from public to private. This security vulnerability was exposed in Microsoft Copilot, where private data from previously public repositories can still be retrieved. The term highlights a risk in AI-powered tools that rely on cached or indexed data, potentially exposing sensitive information long after access controls are updated. Discussions on WindowsForum focus on the implications for enterprise security and data privacy, emphasizing the need for better data lifecycle management in AI systems.