Security management

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Tailored AI insights from Microsoft Security Copilot
Empower your defenders to detect hidden patterns, harden defenses, and respond to incidents faster with generative AI.
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September 18

5 min read

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.
September 30

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.
October 7

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.
October 13

10 min read

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.
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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October 15

6 min read

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.
October 21

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 23

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.
November 17

4 min read

Collaborative research by Microsoft and NVIDIA on real-time immunity

Read about Microsoft and NVIDIA joint research on real-time immunity.
Prevent threats with Microsoft Defender
The Microsoft Defender family offers comprehensive threat prevention, detection, and response capabilities for everyone—from individuals looking to protect their family to the world’s largest enterprises.
Explore products
November 18

9 min read

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.
December 2

7 min read

How to build forward-thinking cybersecurity teams for tomorrow

To secure the future, we must future-proof our cybersecurity talent and develop teams that are agile, innovative, and perpetually learning.
December 4

10 min read

Cybersecurity strategies to prioritize now

In this article, Damon Becknel, Vice President and Deputy CISO for Regulated Industries at Microsoft, outlines four things to prioritize doing now.