Secure agentic AI end-to-end
In this agentic era, security must be woven into, and around, every layer of the AI estate.
Microsoft Sentinel
Microsoft Sentinel is a security information and event management (SIEM) and unified data lake platform that helps you uncover and quickly respond to threats. Explore case studies, product updates, and best practices to help you secure your multicloud environment.
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New Microsoft e-book: 3 reasons point solutions are holding you back
Explore the new Microsoft e-book on how a unified, AI-ready platform delivers speed, resilience, and measurable security gains. -
Defending against the CVE-2025-55182 (React2Shell) vulnerability in React Server Components
CVE-2025-55182 (also referred to as React2Shell and includes CVE-2025-66478, which was merged into it) is a critical pre-authentication remote code execution (RCE) vulnerability affecting React Server Components and related frameworks. -
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. 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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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 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. -
Microsoft named a Leader in the 2025 Gartner® Magic Quadrant™ for SIEM
We’re honored to share that Microsoft has again been recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Security Information and Event Management (SIEM). -
Microsoft raises the bar: A smarter way to measure AI for cybersecurity
ExCyTIn-Bench is Microsoft’s newest open-source benchmarking tool designed to evaluate how well AI systems perform real-world cybersecurity investigations. 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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Investigating targeted “payroll pirate” attacks affecting US universities
Microsoft Threat Intelligence has identified a financially motivated threat actor that we track as Storm-2657 compromising employee accounts to gain unauthorized access to employee profiles and divert salary payments to attacker-controlled accounts, attacks that have been dubbed “payroll pirate”. -
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. -
XCSSET evolves again: Analyzing the latest updates to XCSSET’s inventory
Microsoft Threat Intelligence has uncovered a new variant of the XCSSET malware, which is designed to infect Xcode projects, typically used by software developers building Apple or macOS-related applications. -
Retail at risk: How one alert uncovered a persistent cyberthreat
In the latest edition of our Cyberattack Series, we dive into real-world cases targeting retail organizations.
