Introducing a unified security operations platform
Move faster with Microsoft Sentinel and Defender XDR, a security operations (SecOps) platform that brings together the capabilities of extended detection and response (XDR) and security information and event management (SIEM).
Build next-generation SecOps
Uncover sophisticated cyberthreats and respond decisively with an easy and powerful SIEM solution, built on the cloud and enriched by AI.
Help protect your digital estate
Secure more of your digital estate with scalable, integrated coverage for a hybrid, multicloud, multiplatform business.
Empower your security teams
Optimize your security operations center (SOC) with advanced AI, world-class security expertise, and comprehensive threat intelligence.
Detect, investigate, and respond effectively
Stay ahead of evolving cyberthreats with a unified set of tools to monitor, manage, and respond to incidents.
Lower your total cost of ownership
Get started faster while reducing infrastructure and maintenance with a cloud-native software as a service (SaaS) solution.
See what's possible with a next-generation SIEM enriched by AI, automation, and threat intelligence.
Microsoft Sentinel capabilities
Collect data at cloud scale
Easily connect your logs with Microsoft Sentinel using built-in data connectors—across all users, devices, apps, and infrastructure—on-premises and in multiple clouds.
Stay ahead of cyberthreats
Gain more contextual and behavioral information for cyberthreat hunting, investigation, and response using built-in entity behavioral analytics and machine learning.
Streamline investigation with incident insights
Visualize the full scope of a cyberattack, investigate related alerts, and search historical data.
Accelerate response and save time by automating common tasks
Triage incidents rapidly with automation rules and automate workflows with built-in playbooks to increase SOC efficiency.
Microsoft Copilot for Security is now generally available
Use natural language queries to investigate incidents with Copilot, now with integrations across the Microsoft Security suite of products.
Unified security operations platform
Secure your digital estate with the only security operations (SecOps) platform that unifies the full capabilities of extended detection and response (XDR) and security information and event management (SIEM).
Unified portal
Detect and disrupt cyberthreats in near real time and streamline investigation and response.
Microsoft Defender XDR
Achieve unified security and visibility across your clouds, platforms, and endpoints.
Microsoft Sentinel
Aggregate security data and correlate alerts from virtually any source with cloud-native SIEM.
Modernize your SOC with Microsoft Sentinel
Microsoft Sentinel delivers an intelligent, comprehensive SIEM solution for cyberthreat detection, investigation, response, and proactive hunting.
Empower your security team with a modern SOC
Learn how to automate time-consuming tasks, get a clear view of your digital estate, and improve your security posture with a modern SIEM.
Discover The Total Economic Impact™ of Microsoft Sentinel
The Total Economic Impact™ of Microsoft Sentinel
Study found decreased total cost of ownership and 234% return on investment with Microsoft Sentinel.1
The Total Economic Impact™ of Microsoft SIEM and XDR
Read this commissioned study conducted by Forrester Consulting to learn how Microsoft SIEM and XDR provide cost savings and business benefits.2
Industry recognition
Microsoft Security is a recognized industry leader.
See what our customers are saying
Related products
Azure Monitor
Collect, analyze, and act on telemetry data from your Azure and on-premises environments while maximizing the performance and availability of your applications.
Microsoft Defender XDR
Prevent and detect cyberattacks across your Microsoft 365 workloads with built-in XDR capabilities.
Microsoft Defender Threat Intelligence
Help protect your organization from modern adversaries and cyberthreats, such as ransomware.
Microsoft Defender for Cloud
Help protect your multicloud and hybrid cloud workloads with built-in XDR capabilities.
Documentation and training for Microsoft Sentinel
Get started using Microsoft Sentinel
Explore resources, best practices, and use cases to learn how to achieve more with Microsoft Sentinel.
Explore Microsoft Sentinel pricing options
Get a cost-effective, cloud-native SIEM solution with predictable billing and flexible pricing options.
See the latest Microsoft Sentinel innovations
Learn how to safeguard your enterprise against advanced cyberthreats with intelligent security analytics.
Protect everything
Make your future more secure. Explore your security options today.
Frequently asked questions
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Microsoft Sentinel is a modern, cloud-native SecOps platform that provides next-generation SIEM and security orchestration, automation, and response (SOAR) to help you proactively protect your digital estate. Collect data at scale, detect breaches and anomalies, investigate cyberthreats, and remediate issues with this single solution.
Empower your security teams to rapidly hunt and resolve critical cyberthreats with Microsoft Sentinel.
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Azure Sentinel was renamed Microsoft Sentinel to reflect the breadth of the product's capabilities and provide protection across multiple cloud solutions.
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Microsoft Defender XDR is an XDR solution that provides security across your multiplatform endpoints, hybrid identities, emails, collaboration tools, and cloud apps. It uses incident-level visibility across the cyberattack chain, automatic cyberattack disruption, and unified security and access management to accelerate the response to sophisticated cyberattacks. Tools like Microsoft Sentinel complement these capabilities with SIEM and SOAR to ingest logs from across an organization’s entire digital estate, providing further automation and response and cyberthreat-tracking capabilities across systems.
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Microsoft Sentinel is a separate offering from Microsoft Defender XDR, but customers using both products get a unified experience with a single view for features such as the incident queue and advanced hunting. This combination brings customers a solution that builds on the best of SIEM and XDR, delivering the most efficient security operations tools.
- [1] The Total Economic Impact™ Of Microsoft Sentinel, A Forrester Consulting Total Economic Impact™ Study Commissioned by Microsoft, March 2023.
- [2] The Total Economic Impact™ Of Microsoft SIEM and XDR, A Forrester Consulting Total Economic Impact™ Study Commissioned by Microsoft, August 2022.
- [3] KuppingerCole Analysts, Leadership Compass: Security Orchestration Automation and Response (SOAR), Alejandro Leal, January 30, 2023.
- [4] The Forrester Wave™: Security Analytics Platforms, Q4 2022, Allie Mellen with Joseph Blankenship, Caroline Provost, Kara Hartig, December 14, 2022.
- [5] KuppingerCole Analysts, Leadership Compass: Intelligent SIEM Platforms, Alexei Balaganski, January 20, 2022.
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