Today Microsoft is announcing a major step forward in AI-powered cyber defense: a new multi-model agentic scanning harness ...

Microsoft Incident Response investigated an attack operated through legitimate and trusted administrative mechanisms to blend ...

Threat actors are targeting macOS users with fake utility fixes that trick them into running malicious Terminal commands.

Microsoft is excited to be named an Overall Leader, and the Market Leader in the Kuppinger Cole Analyst’s 2026 Emerging AI ...

New research exposes how prompt injection in AI agent frameworks can lead to remote code execution. Learn how these ...

A high-severity Linux vulnerability, “Copy Fail” (CVE-2026-31431), enables root privilege escalation across cloud ...

Dirty Frag is a newly disclosed Linux local privilege escalation vulnerability affecting kernel networking and ...

This World Passkey Day, read how Microsoft is advancing passkey adoption to replace passwords, cut phishing risk, and deliver ...

Learn how to protect consumer websites and defend against modern DDoS attacks with layered security, resilient architecture, ...

Microsoft Defender Research observed a large-scale credential theft campaign that exemplifies this trend, using code of ...

Scale AI with confidence. Learn how to meet evolving sovereignty, security, and regulatory requirements while maintaining ...

Discover how Microsoft partners with nurses to reduce workload and enhance care delivery with Dragon Copilot and AI-powered ...