Digital Security News | Microsoft Security Blog

Go beyond data protection with Microsoft Purview

Govern, protect, and manage all of your data with Microsoft Purview, comprehensive solutions to help give you better visibility and control.

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November 21, 2025 4 min read

Microsoft named a Leader in the Gartner® Magic Quadrant™ for Access Management for the ninth consecutive year

We’re happy to share that Microsoft has been recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Access Management for the ninth consecutive year.
November 10, 2025 3 min read

Securing our future: November 2025 progress report on Microsoft’s Secure Future Initiative

When we launched the Secure Future Initiative, our mission was clear: accelerate innovation, strengthen resilience, and lead the industry toward a safer digital future.
November 7, 2025 8 min read

Whisper Leak: A novel side-channel attack on remote language models

Microsoft has discovered a side-channel attack on language models which allows adversaries to conclude model conversation topics, despite being encrypted.
October 23, 2025 5 min read

Harden your identity defense with improved protection, deeper correlation, and richer context

Expanded ITDR features—including the new Microsoft Defender for Identity sensor, now generally available—bring improved protection, correlation, and context to help customers modernize their identity defense.
Streamline privacy management with Microsoft Priva

Protect and govern personal information, reduce privacy risks, and manage subject rights requests at scale with Microsoft Priva privacy risk management solutions.

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October 21, 2025 5 min read

The new Microsoft Security Store unites partners and innovation

The Microsoft Security Store is the gateway for customers to easily discover, buy, and deploy trusted security solutions and AI agents from leading partners.
October 16, 2025 5 min read

Microsoft named a Leader in the 2025 Gartner® Magic Quadrant™ for SIEM

We’re honored to share that Microsoft has again been recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Security Information and Event Management (SIEM).
October 14, 2025 4 min read

Microsoft raises the bar: A smarter way to measure AI for cybersecurity

ExCyTIn-Bench is Microsoft’s newest open-source benchmarking tool designed to evaluate how well AI systems perform real-world cybersecurity investigations.
October 7, 2025 3 min read

New Microsoft Secure Future Initiative (SFI) patterns and practices: Practical guides to strengthen security

Microsoft Secure Future Initiative (SFI) patterns and practices are practical, actionable, insights from practitioners for practitioners based on Microsoft’s implementation of Zero Trust through the Microsoft Secure Future Initiatives.
Simplify endpoint management with Microsoft Intune

Microsoft Intune is a cloud-based unified endpoint management platform that empowers IT to manage, assess, and protect apps and devices.

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October 6, 2025 2 min read

Inside Microsoft Threat Intelligence: Calm in the chaos

Incident response is never orderly. Threat actors don’t wait.
October 2, 2025 4 min read

Microsoft named a Leader in the IDC MarketScape for XDR

Microsoft has been named a Leader in IDC’s inaugural category for Worldwide Extended Detection and Response (XDR) Software for 2025, recognized for its deep integration, intelligent automation, and unified security operations solutions.
September 30, 2025 5 min read

Empowering defenders in the era of agentic AI with Microsoft Sentinel

Microsoft Sentinel is expanding into an agentic platform with general availability of the Sentinel data lake, and the public preview of Sentinel graph and Sentinel Model Context Protocol (MCP) server.
September 25, 2025 4 min read

Introducing Microsoft Marketplace — Thousands of solutions. Millions of customers. One Marketplace.

To empower customers in becoming Frontier, we’re excited to announce the launch of the reimagined Microsoft Marketplace, your trusted source for cloud solutions, AI apps and agents.