Ambient and autonomous security for the agentic era
In the agentic era, security must be ambient and autonomous, like the AI it protects. This is our vision for security, where security becomes the core primitive.
Security management
Learn how our identity-driven security solutions protect people, devices, and data from potential vulnerabilities at every touchpoint, everywhere they work.
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Collaborative research by Microsoft and NVIDIA on real-time immunity
Read about Microsoft and NVIDIA joint research on real-time immunity. -
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. -
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. Retain Microsoft Security Experts
Microsoft Security Experts are now available to strengthen your team with managed security services. Learn how to defend against threats with security experts.
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The importance of hardening customer support tools against cyberattacks
As customer support tools become more connected and data-rich, they’re increasingly targeted by cyberattacks. -
Building a lasting security culture at Microsoft
At Microsoft, building a lasting security culture is more than a strategic priority—it is a call to action. -
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. -
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. Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
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Microsoft Defender delivered 242% return on investment over three years
The latest 2025 commissioned Forrester Consulting Total Economic Impact™ (TEI) study reveals a 242% ROI over three years for organizations that chose Microsoft Defender. -
Microsoft Sentinel data lake: Unify signals, cut costs, and power agentic AI
We’re evolving our industry-leading Security Incidents and Event Management solution (SIEM), Microsoft Sentinel, to include a modern, cost-effective data lake. -
Protecting customers from Octo Tempest attacks across multiple industries
To help protect and inform customers, Microsoft highlights protection coverage across the Microsoft Defender security ecosystem to protect against threat actors like Octo Tempest. -
Learn how to build an AI-powered, unified SOC in new Microsoft e-book
Read Coordinated Defense: Building an AI-powered, unified SOC, the new e-book on how organizations can unify security operations to better meet the challenges of today’s cyberthreat landscape.
