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

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

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

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 ...

Microsoft Threat Intelligence observed a macOS ClickFix campaign distributing infostealers, including MacSync and Atomic Stealer (AMOS), through a large cluster of look-alike domains. The campaign ...

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

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

Our collaboration with AXA XL brings Microsoft Incident Response services directly to cyber insurance policyholders, helping ...

Discover how nonprofits are applying AI to strengthen communities, expand opportunity, and create lasting impact across the globe.

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.