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of Sophos MDR cases are triggered by Microsoft telemetry.
advanced attacks on Microsoft environments were neutralized by Sophos MDR in 2025.
from alert to automated response in Microsoft environments
24/7 managed detection and response that elevates security for your Microsoft stack
Strengthen your protection, reduce risk, and maximize the return on your security investments, by combining the world's largest Agentic SOC with the Microsoft tools you already rely on.
Maximize your return on investment
Ensure you’re getting the full value from your Microsoft investments while strengthening protection across your estate.
Defense for every Microsoft plan
Whether you’re on Business Basic, Standard, Premium, E3, or E5, Sophos delivers advanced protection, detection and response.
Shut down threats that security tools alone can't stop
Sophos MDR adds layers of defense to identify and stop attacks that may bypass Microsoft security tools.
Deep, two-way integrations
Sophos MDR ingests rich Microsoft telemetry to identify adversary behavior and executes response actions directly in your Microsoft 365 environment.
Outcome ownership, not alert forwarding
Sophos MDR analysts don’t just notify you; they can take immediate action directly in your Microsoft tenant.
Built-in community immunity
Compounding intelligence from defending over 625K Microsoft environments continuously strengthens protection for all.
Sophos MDR is a Microsoft-verified Small and Medium Business (SMB) Solution through the Microsoft Intelligent Security Association (MISA), validating deep integration with Microsoft Defender for Endpoint and Defender for Business to deliver stronger, faster protection across Microsoft environments.
Better together means better protected
As part of Sophos Fusion, the industry's most complete cyber defense system, Sophos MDR collects extensive telemetry data from a range of Microsoft solutions for maximum visibility. Events are analyzed, correlated, and prioritized, enabling analysts and agents to quickly investigate and respond to threats.
Whether you’re on M365 Business Basic, Standard, Premium, E3, or E5, Sophos delivers advanced protection, detection and response.
Effectively respond to Microsoft security alerts
Alert fatigue is a significant problem in cybersecurity. Separating important signals from noise can be challenging, and many organizations lack the in-house expertise to investigate and respond to alerts from Microsoft's multiproduct technology. Sophos MDR provides the people, processes, and technology to effectively respond to Microsoft signals and security alerts so your internal IT and security teams can focus on initiatives that drive growth for your business.
Extend your team with Microsoft Certified cybersecurity experts
The Sophos MDR team includes Microsoft Certified Security Operations Analysts who excel at detecting and responding to cyberattacks using tailored Microsoft response playbooks. Their expertise spans threat intelligence, advanced analysis, data engineering, data science, threat hunting, adversary tracking, and incident response — operating across a global network of security operations centers to deliver continuous, unmatched threat protection.
Shut down threats that security tools alone can't stop
Deep two-way integrations, world-class threat intelligence, AI agents, and highly skilled analysts strengthen your defenses to stop AI-accelerated attacks that can evade security tools. With turnkey Microsoft 365 and Microsoft Graph Security integrations built in, Sophos MDR helps you unlock more protection from the Microsoft technologies you already trust.
Built-in response actions for fast containment
Sophos MDR can execute response actions directly within your Microsoft environment through deep, two-way integrations. Our analysts act on your behalf to revoke Microsoft 365 sessions, disable user signins, suspend malicious inbox rules, and more — stopping threats before they spread and reducing pressure on your internal team.
Your endpoint, your choice
Sophos MDR works with the security tools you already use, integrating seamlessly with your Microsoft environment to deliver unified threat detection and response. Use Microsoft Defender for Endpoint, Sophos Endpoint (included at no extra cost), or your preferred third-party solution. Whichever option you choose, Sophos MDR turns your telemetry into stronger protection — without forcing you to change your stack.
Proactive threat hunting across your Microsoft environment
Sophos’ threat hunting teams proactively search for signs of adversarial activity across your Microsoft environment, using rich telemetry from your Microsoft tools to uncover early indicators of compromise. They continuously track attacker behaviors and techniques, applying their expertise to surface threats before they escalate.
Sophos MDR threat hunters are part of Sophos X-Ops — a unified response task force combining deep operational expertise to help protect your organization from even the most advanced attacks.
Sophos Fusion
Sophos MDR is part of Sophos Fusion, the industry's most complete cyber defense system, engineered for a world where threats move at AI speed.
Sophos MDR extends Sophos Fusion with 24/7 protection from the world’s largest Agentic SOC, combining AI speed and human expertise to stop attacks across Microsoft and non-Microsoft environments.
See why Microsoft customers choose Sophos MDR
A Leader in the IDC MarketScape: Worldwide MDR Services for Midmarket 2026 Vendor Assessment
A Gartner Peer Insights "Customers’ Choice" for Managed Detection and Response
Rated the Number 1 MDR solution by customers in the G2 Summer 2026 Grid Reports
A Leader in the 2025 Frost Radar report for Global Managed Detection and Response
Speak to an expert
Whether you’re looking to enhance visibility, accelerate response, reduce operational pressure on your team, or get more value from your existing Microsoft investments, we’ll walk you through how Sophos MDR can make it happen.