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 fixed 111 vulnerabilities, including a Windows Kerberos zero-day enabling full AD compromise via BadSuccessor.

Today is Microsoft's August 2025 Patch Tuesday, which includes security updates for 107 flaws, including one publicly ...

Microsoft 365 Copilot is built into Office apps like Word, Excel, Outlook, and Teams. It uses AI to generate content, analyse data, and answer questions using internal documents, emails, and chats.

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

Microsoft released fixes Tuesday for 107 newly disclosed software vulnerabilities, including 12 critical-severity flaws affecting its products along with a pair of new SharePoint Server flaws.

This tool adds a highly trained virtual analyst to your security team in educational environments where IT personnel and ...

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

July 21 (UPI) -- An investigation is underway after hackers used a security flaw in Microsoft software to internationally infiltrate agencies and businesses over the weekend.

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.

A security patch Microsoft (MSFT.O), opens new tab released this month failed to fully fix a critical flaw in the U.S. tech ...