Microsoft Defender
Microsoft Defender helps prevent, detect, and respond to attacks across devices, identities, apps, email, data, workloads, and clouds. Explore threat intelligence, capabilities, and real-world guidance to help you get more out of Defender.
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Explore the new Microsoft e-book on how a unified, AI-ready platform delivers speed, resilience, and measurable security gains. -
Agents built into your workflow: Get Security Copilot with Microsoft 365 E5
At Microsoft Ignite 2025, we are not just announcing new features—we are redefining what’s possible, empowering security teams to shift from reactive responses to proactive strategies. -
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. -
New IDC research highlights a major cloud security shift
New IDC research shows why CISOs must move toward AI-powered, integrated platforms like CNAPP, XDR, and SIEM to reduce risk, cut complexity, and strengthen resilience. -
Learn what generative AI can do for your security operations center
This new e-book showcases what generative AI can do for your SOC, from reducing alert fatigue and enabling quicker triage to getting ahead of cyberattacks with proactive threat hunting, and more. -
The 5 generative AI security threats you need to know about detailed in new e-book
In this blog post, we’ll highlight the key themes covered in the e-book, including the challenges organizations face, the top generative AI threats to organizations, and how companies can enhance their security posture to meet the dangers of today’s unpredictable AI environments. -
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. -
Announcing public preview: Phishing triage agent in Microsoft Defender
The Phishing Triage Agent in Microsoft Defender is now available in Public Preview. -
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. -
Microsoft extends Zero Trust to secure the agentic workforce
At Microsoft Build 2025, we’re taking important steps to secure the agentic workforce.