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Microsoft Security Blog

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Latest posts

Last updated 3 days ago

Microsoft recognized as a Leader in The Forrester Wave™ for Workforce Identity Security Platforms

4 days ago

Identity is the backbone of modern cybersecurity. Every access decision carries risk...

From edge appliance to enterprise compromise: Multi-stage Linux intrusion via F5 and Confluence

4 days ago

In this article Attack chain overviewInitial access: Exploiting edge appliancesDiscovery and reconnaissanceLateral...

Microsoft Security success stories: How St. Luke’s and ManpowerGroup are securing AI foundations

4 days ago

AI is reshaping how work gets done—and how risks emerge across cloud...

What’s new in Microsoft Security: May 2026

5 days ago

At Microsoft, security innovations are purpose-built to help every organization protect end-to-end...

Mini Shai Hulud: Compromised @antv npm packages enable CI/CD credential theft

6 days ago

Microsoft has identified an active supply chain attack targeting the @antv node...

Securing the gaming culture of cultures

6 days ago

The Deputy CISO blog series is where Microsoft Deputy Chief Information Security...

Introducing RAMPART and Clarity: Open source tools to bring safety into Agent development workflow

6 days ago

In this article Why we are investing in thisRAMPART: Continuous safety testing...

Exposing Fox Tempest: A malware-signing service operation

7 days ago

In this article Fox Tempest’s role and impactFox Tempest’s malware signing as...

Exposing Fox Tempest: A malware-signing service operation

7 days ago

In this article Fox Tempest’s role and impactFox Tempest’s malware signing as...

How Storm-2949 turned a compromised identity into a cloud-wide breach

8 days ago

In this article Attack chain overviewCloud compromise: Microsoft Entra ID and Microsoft...

How Storm-2949 turned a compromised identity into a cloud-wide breach

8 days ago

In this article Attack chain overviewCloud compromise: Microsoft Entra ID and Microsoft...

How to better protect your growing business in an AI-powered world

8 days ago

AI is rapidly reshaping how work gets done in companies and organizations...