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 ...

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

Microsoft will offer up to $5 million in bounty awards at this year's Zero Day Quest hacking contest, which the company ...

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 ...

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

Microsoft has expanded its .NET bug bounty program and increased rewards to $40,000 for some .NET and ASP.NET Core ...

Research demonstrating high-impact cloud and AI security flaws will be rewarded at Microsoft’s Zero Day Quest competition in ...

Microsoft is developing 'Copilot Wallet' for one-click AI shopping, part of a broader strategy to create autonomous agents ...