Copilot broke audit logs, but Microsoft won’t tell customers

Like most tech companies, Microsoft is going all-in on AI. Their flagship AI product, Copilot (in all its various forms), allows people to utilize AI in their daily work to interact with Microsoft services and generally perform tasks. Unfortunately, this also creates a wide range of new security problems.On July 4th, I came across a problem in M365 Copilot: Sometimes it would access a file and return the information, but the audit log would not reflect that. Upon testing further, I discovered that I could simply ask Copilot to behave in that manner, and it would. That made it possible to access a file without leaving a trace. Given the problems that creates, both for security and legal compliance, I immediately reported it to Microsoft through their MSRC portal.Helpfully, Microsoft…