Congratulations to the winners of the 2026 Microsoft Security Excellence Awards that recognize the innovative defenders who have gone above and beyond.

See how three organizations strengthen security and accelerate AI innovation with Microsoft’s family of security products.

Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026-21509, a security ...

Microsoft’s new winapp CLI simplifies Windows app development with one-command setup, faster testing, and easier packaging.

Microsoft released an emergency Office patch to fix an actively exploited zero-day flaw that lets attackers bypass security ...

At Microsoft Ignite in November, we introduced Frontier Transformation — a holistic reimagining of business aligning AI with human ambition to help organizations achieve their highest aspirations and ...

Microsoft has pushed back against claims that multiple prompt injection and sandbox-related issues raised by a security engineer in its Copilot AI assistant constitute security vulnerabilities. The ...

Barclays has announced that it is working with Microsoft to drive its security strategy forwards and strengthen trust in its digital capabilities, through Microsoft Security Solutions. Emerging AI ...

Here's a look at the most recent Patch Tuesday release from Microsoft as well as a collection of recent updates so you can track what's changed. Long before Taco Tuesday became part of the pop-culture ...

Microsoft's Azure has been the fastest grower of the big three cloud computing companies. Alphabet has a cost advantage with its custom AI chips that should become more evident starting next year.