We are announcing ISOC in Microsoft Defender: a foundation built for agentic security that brings leading solutions for SIEM and threat protection together.

There’s no shortage of sound and fury in AI right now. New models, record benchmarks, louder claims every week. But ...

EvilTokens has quickly become one of the top PhaaS platforms, enabling device code phishing attacks through AI-assisted lures, automated infrastructure, and token theft. In collaboration with partners ...

Microsoft examines an AI-assisted business email compromise campaign that used executive impersonation and fake invoices to ...

See how Microsoft Defender detects and disrupts AI-themed phishing, malware, and multi-stage attacks across the attack chain.

Join Microsoft at ESPC 2026 in Amsterdam to explore Microsoft 365 Copilot, agents, AI, and digital transformation.

Microsoft introduces the Cloud Web Applications Threat Matrix, a MITRE ATT&CK-aligned framework that helps defenders ...

Each level aligns to different agent tools and build depths, helping you choose what’s right for you—and build solutions you can use right away at work. Use Agent Builder in Microsoft 365 Copilot and ...

Create your best work on all your devices—from desktop to web—using the tools you need for home and business.

AI is changing who can build software. People who could never write code can now describe an idea and generate a working application in minutes, using any number of agentic coding solutions. But ...

Think you may have received counterfeit software? Report it to Microsoft.

Explore the latest from MSRC, including security program updates, policy changes, technical research, and perspectives from the people helping protect customers across Microsoft. The blog brings ...