Why the Microsoft 365 Copilot bug matters for data security

You trust your email security settings for a reason. So when an AI assistant quietly reads and summarizes messages marked confidential, that trust takes a hit.

Microsoft says a bug in Microsoft 365 Copilot allowed its AI chat feature to process sensitive emails since late January.

The issue bypassed Data Loss Prevention policies that organizations rely on to protect private information. Put simply, emails that were supposed to stay locked down were being summarized anyway.

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