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Microsoft Copilot, not so much Employees could be opening up to OpenAI in ways that put sensitive data at risk. According to a study by security biz LayerX, a large number of corporate users paste Personally Identifiable Information (PII) or Payment Card Industry (PCI) numbers right into ChatGPT, even if they're using the bot without permission.…

More from The Register 8 Oct 2025, 9:18 a.m. Artificial Intelligence Microsoft PII Study