Microsoft DART uncovers dual threat actors in a single intrusion, revealing how blended tactics conceal attacks and ...

Today we’re announcing the general availability of Copilot Cowork worldwide. After three months of preview in Frontier, more than half of the Fortune 500 is using Copilot Cowork, along with companies ...

Microsoft takes a defense-in-depth approach to protect AI memory spanning every layer of the stack: storage, retrieval, model ...

A poisoned npm package infected 140+ projects with a hidden payload. This report highlights how to detect, hunt, and defend ...

Read how Microsoft Security has advanced its agentic vulnerability detection system, codename MDASH, integrating into ...

Microsoft has been named a leader for the third consecutive time in The Forrester Wave™: Extended Detection and Response ...

Microsoft Threat Intelligence analyzed a cryptocurrency clipper campaign that combines clipboard theft, wallet replacement, ...

See how Microsoft Defender performed in one year of real-world email security benchmarking against SEG and ICES vendors.

AI research from Microsoft shows that large‑scale LLMs use far less energy and water per query, improving efficiency and ...

Discover how Microsoft is helping organizations turn AI into real business value through four key paths—from improving ...

New Forrester Total Economic Impact™ report shows Microsoft Security consolidation delivers ROI, lowers risk, and prepares organizations to secure AI.

Ongoing research into AI agent framework security identified an exploit chain in AutoGen Studio (AutoGen’s open-source prototyping user interface) that allows untrusted web content rendered by a ...