Code Error Allowed Copilot Chat to Expose Confidential Information

A code error allowed Copilot Chat to expose confidential email. Microsoft is fixing the problem, but it’s a reminder of how AI can expose information of Microsoft 365 tenants don’t use available features to restrict AI access. Those features need to be configured and deployed, but that doesn’t take much effort. It’s better than users complaining when Copilot exposes their most secret thoughts.

https://office365itpros.com/2026/02/13/dlp-policy-for-copilot-bug/