Microsoft continually updates security intelligence in antimalware products to cover the latest threats and to constantly tweak detection logic, enhancing the ability of Microsoft Defender Antivirus ...

Learn why KuppingerCole named Microsoft a Leader in its Leadership Compass: Cloud Native Application Protection Platforms ...

A macOS ClickFix campaign shifted tactics from openly serving infostealer lures to hiding them behind a browser-fingerprinting gate. The change makes malicious infrastructure harder to detect while ...

A credential-stealing worm hidden in more than 400 compromised npm packages automatically spread across software ecosystems ...

Read how to apply Zero Trust for AI with new assessments, DevSecOps guidance, and practical tools to secure AI agents, code, ...

Microsoft Defender automatically isolated a compromised QNET endpoint in 129 seconds, stopping a multi-stage attack before the payload could persist or spread.

This year, the Microsoft Bounty Program awarded more than $20 million to 562 security researchers, the highest total payout and the largest number of researchers recognized in the program's history.

Storm-2945, a sub-cluster of the Russian threat actor Midnight Blizzard, has been observed compromising the sign-in portals ...

Explore July 2026 Microsoft Security updates, including agentic defense, AI threat protection, identity, data security, and ...

What's the Tea, a new podcast from Microsoft, explores the pace at which leaders are transforming their organizations with AI ...

New data from Microsoft 365 Copilot telemetry signals, along with examples from our customers around the world, demonstrate AI transformation in action.

Learn how better questions, trusted AI, and human judgment help security leaders make confident decisions and build resilient ...