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Managed Detection and Response (MDR) is an outsourced service where a provider's analysts run threat detection, investigation, and active response on your behalf, typically around the clock. It exists because most security teams cannot staff a 24/7 SOC, keep pace with alert volume, or retain enough senior responders to hunt and contain threats at 3am. MDR is the answer for organizations that have telemetry but lack the people, the off-hours coverage, or the response muscle to act on it. These offerings package detection engineering, human analysis, and response actions into a service you buy rather than build, ranging from telemetry-agnostic offerings to ones tied tightly to a specific EDR or platform.
We cover 99 Managed Detection and Response tools, 0 free and 99 commercial.
Accuracy and depth improve over time. Last reviewed Jul 2026. Is something off? Reach out.
24/7 managed XDR service with SOC, threat hunting, and dedicated analysts
MDR service with AI-powered threat detection and human expertise
Managed SOC for connected vehicles and mobility ecosystems
AI-driven MXDR service with 24x7 monitoring, threat hunting, and response
Managed detection and response service with 24/7 monitoring and remediation
24/7 managed SOC service combining Cortex XSIAM platform with Unit 42 expertise
24/7 MDR service built on Cortex XDR with threat hunting and remediation
Managed service providing expert threat detection, analysis, and response
24x7 MDR service with global SOC teams for threat detection and response
24/7 MDR service with continuous monitoring and incident response
24/7/365 managed XDR service with incident response and premium support
24/7 managed detection and response service for Microsoft 365 environments
MDR service with 24/7 support, XDR, threat hunting, and endpoint protection
Unified cybersecurity platform for MSPs with SASE, EDR, SIEM, MXDR, and GRC
MDR service with real-time monitoring and threat response capabilities
Managed threat detection, hunting, and response service by Mandiant experts
24/7 managed threat detection, investigation, and response service
AI-powered MDR service with Google SecOps integration for threat detection
24/7 managed detection and response service with US-based SOC analysts
Managed detection and response service with 24x7 SOC and IR capabilities
AI-powered MDR platform with SOC services for threat detection and response
24x7x365 Security Operations Center with threat detection and response services
AI-driven MDR service providing unified threat detection across IT, OT, cloud
24/7 managed XDR service with threat detection, incident response & consulting
Common questions about Managed Detection and Response tools, selection guides, pricing, and comparisons.
MDR is a service that combines technology with a human-staffed security operations team to monitor your environment, investigate threats, and respond to incidents, usually 24/7. Instead of buying detection tooling and hiring analysts yourself, you contract a provider to do the detection engineering, triage, threat hunting, and containment. It is the practical alternative to running your own around-the-clock SOC.
EDR is the technology layer: an agent that generates detections on endpoints, which someone still has to act on. An MSSP typically monitors and alerts you, then leaves remediation to your team. MDR goes further by adding human investigation and active response, often containing or rolling back threats on your behalf rather than just forwarding an alert. The line between MDR and modern MSSPs has blurred, so scrutinize what each provider actually does.
Look past the marketing and pin down response scope: do they only notify, or do they take containment actions, and with what authorization? Check telemetry coverage beyond endpoint, real mean-time-to-respond figures, whether you keep your own data and detections, and how onboarding and analyst escalation work. Ask what happens during a confirmed breach at 2am, and what their bring-your-own-tools versus bundled-stack model means for lock-in.
Building a 24/7 SOC means hiring three shifts of analysts, detection engineers, and incident responders, plus the tooling, which is out of reach for most mid-market and many enterprise teams. MDR shifts that cost to a subscription and gets you off-hours coverage immediately. The trade-off is less control and a dependency on the provider's detection quality. A common arrangement is hybrid: in-house during business hours, MDR for nights, weekends, and overflow.
For lean teams, MDR is often the highest-leverage spend in security operations, because the alternative is alerts going unwatched overnight or analysts burning out on triage. The value is in covered hours, faster containment, and access to senior responders you could not hire or retain alone. The risk is treating MDR as a set-and-forget replacement for security ownership rather than an extension of your team.