Reconstructing AI activity in investigations
Learn how to investigate AI activity in Microsoft 365 Copilot and Azure AI services using a structured, telemetry-driven approach.
AI and agents
AI and machine learning help you identify threats sooner and respond more effectively. Learn how to safeguard your infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) resources across multicloud and hybrid environments.
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Securing CI/CD in an agentic world: Claude Code Github action case
Microsoft Threat Intelligence identified a prompt injection pathway in Claude Code GitHub Action that allowed access to workflow secrets under specific conditions. -
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. 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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What’s new in Microsoft Security: May 2026
Microsoft Security’s latest updates extend visibility, control, and protection across expanding ecosystems as organizations accelerate AI adoption. -
Introducing RAMPART and Clarity: Open source tools to bring safety into Agent development workflow
The AI systems shipping inside enterprises today are fundamentally different from the ones we were building even two years ago, because they have moved well past answering questions and into accessing your email, retrieving records from your CRM, writing and executing code, and taking actions on your behalf across dozens of connected systems. -
How to better protect your growing business in an AI-powered world
See how built-in security helps keep your growing business running, protect customer trust, and support growth. -
Defense in depth for autonomous AI agents
As AI agents gain autonomy, defense in depth must evolve, with application-layer design, identity, and human oversight at the center. 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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When prompts become shells: RCE vulnerabilities in AI agent frameworks
New research exposes how prompt injection in AI agent frameworks can lead to remote code execution. -
World Passkey Day: Advancing passwordless authentication
This World Passkey Day, read how Microsoft is advancing passkey adoption to replace passwords, cut phishing risk, and deliver simpler, more secure sign-ins. -
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. -
Microsoft Agent 365, now generally available, expands capabilities and integrations
Today we’re announcing the general availability of Agent 365, plus previews of new capabilities to discover and manage shadow AI agents, including local agents like OpenClaw and Claude Code.
