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

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The AI systems shipping inside enterprises today are fundamentally different from the ones we were building even two years ago, because they have moved well past answering questions and into accessing your email, retrieving records from your CRM, writing and executing code, and taking actions on your behalf across dozens of connected systems.

The post Introducing RAMPART and Clarity: Open source tools to bring safety into Agent development workflow appeared first on Microsoft Security Blog.

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Exposing Fox Tempest: A malware-signing service operation

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Fox Tempest is a financially motivated threat actor operating a malware‑signing‑as‑a‑service (MSaaS) used by other cybercriminals, including Vanilla Tempest and Storm groups, to more effectively distribute malicious code, including ransomware.

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CVE-2026-45585 Windows BitLocker Security Feature Bypass Vulnerability

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Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as “YellowKey”. The proof of concept for this vulnerability has been made public violating coordinated vulnerability best practices.

We are issuing this CVE… Continue reading CVE-2026-45585 Windows BitLocker Security Feature Bypass Vulnerability→

Introducing new Surface devices built for business and AI acceleration

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Every IT leader and partner we work with is navigating the same challenges: AI is changing the demands of how teams work, security threats are growing more sophisticated and agents are changing investment decisions for the future. All under greater s

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Introducing new Surface devices built for business and AI acceleration

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Every IT leader and partner we work with is navigating the same challenges: AI is changing the demands of how teams work, security threats are growing more sophisticated and agents are changing investment decisions for the future. All under greater s

The post Introducing new Surface devices built for business and AI acceleration appeared first on Microsoft Devices Blog.

Continue reading Introducing new Surface devices built for business and AI acceleration→