The researchers at Aim Security dubbed the flaw “EchoLeak.” Microsoft told Fortune that it has already fixed the issue in Microsoft 365 Copilot and that its customers were unaffected.

Microsoft has patched a critical Copilot Enterprise flaw that gave researchers root access but controversially rated it ...

This latest security issue highlights the challenges of security in an AI era.

If the term ‘NLWeb’ first brought to mind an image of a Dutch internet service provider, you’re probably not alone. What it actually is – or tries to become – is ...

AI has prevented real-world cyberattacks before they could begin, proving AI fast enough to beat human threat actors to ...

The bug, tracked as CVE-2025-31199, could allow hackers to access files in the Downloads folder, as well as caches utilized ...

Microsoft declined to comment on the GPT-5 references in Copilot, and the company isn’t commenting on its new smart mode, ...