What’s new in Microsoft Security: September 2026
This month’s updates help you discover and control local AI agents, extend Zero Trust to agent traffic, and strengthen SOC foundations.
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Microsoft Security Copilot agents help you detect, investigate, and respond faster. Stay up to date on how AI is reshaping security, learn best practices, and explore new capabilities.
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How to secure edge AI in customer-owned environments
As AI moves into customer-owned environments, organizations need new ways to verify the systems, software, and AI assets they trust before releasing sensitive data, credentials, and models. -
Enhancing AI security through global AI red teaming
Microsoft’s External Red Team Alliance (EXTRA) is a global AI security initiative designed to advance AI safety research and red teaming. -
Guarding AI memory
What happens when threat actors target what AI remembers? Microsoft breaks down the risks and the defenses. 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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New Forrester Total Economic Impact™ study projects a 124% ROI from unifying with Microsoft Security
New Forrester Total Economic Impact™ study shows Microsoft Security consolidation delivers ROI, lowers risk, and prepares organizations to secure AI. -
Updating the taxonomy of failure modes in agentic AI systems: What a year of red teaming taught us
A surge in real-world attacks against agentic AI systems is reshaping how we think about risk. -
Microsoft Security success stories: How St. Luke’s and ManpowerGroup are securing AI foundations
How Frontier firms secure AI at scale: read how Microsoft customers embed governance, identity, and cloud security to make protection an enabler of AI growth. -
Microsoft named an overall leader in KuppingerCole Analyst’s 2026 Emerging AI Security Operations Center (SOC) report
Microsoft is excited to be named an Overall Leader, and the Market Leader in the Kuppinger Cole Analyst’s 2026 Emerging AI Security Operations Center (SOC) report, as we see automation and AI as core components of the future of cybersecurity. Retain Microsoft Defender Experts
Microsoft Defender Experts are available to strengthen your teams with expertise when and where you need it. Learn how to elevate your security with expert-led services.
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Incident response for AI: Same fire, different fuel
AI changes how incidents unfold and how we respond. -
The agentic SOC—Rethinking SecOps for the next decade
In the SOC of the future, autonomous defense moves at machine speed, agents add context and coordination, and humans focus on judgment, risk, and outcomes. -
Identity security is the new pressure point for modern cyberattacks
Read the latest Microsoft Secure Access report for insights into why a unified identity and access strategy offers strong modern protection. -
CTI-REALM: A new benchmark for end-to-end detection rule generation with AI agents
Excerpt: CTI-REALM is Microsoft’s open-source benchmark for evaluating AI agents on real-world detection engineering—turning cyber threat intelligence (CTI) into validated detections.
