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.

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

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

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

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

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

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