Best Managed Detection and Response Tools in 2026

Palo Alto Networks Unit 42 Managed Detection & Response

Best for: Cortex XDR customers who want Unit 42 analysts on the console

Unit 42 Managed Detection and Response is a 24/7 service built on Cortex XDR, which collects data across endpoint, network, and cloud to give analysts context. Unit 42 analysts monitor continuously, triage alerts, investigate incidents, and hunt proactively, drawing on threat intelligence the vendor describes as more than 10 years of malware analysis, over 30 million new samples, and 500 billion daily events.

The service includes guided remediation, managed endpoint detection and response, and cyber hygiene reporting with posture guidance, so the output is not only incident handling but a view of what to fix before the next one.

It fits SMB through enterprise and is the natural choice for organizations standardized on Cortex XDR. Its single listed integration is Cortex XDR, which is the point: this is a managed service for that platform, not a neutral overlay.

Google Mandiant Managed Defense

Best for: Enterprises that want incident-response-grade expertise behind detection

Mandiant Managed Defense provides 24/7 detection, investigation, and response with Mandiant experts monitoring the environment. Alerts are prioritized within minutes, critical threats are investigated by analysts, and managed threat hunting is performed by specialists who use knowledge of specific threat actors to find anomalies and shorten attacker dwell time.

Detections map to MITRE ATT&CK, the service includes containment and remediation, and customers get access to Mandiant security consultants, which matters when an investigation turns into a breach. It integrates with Google SecOps.

Mandiant Managed Defense fits mid-market and enterprise and is cloud-delivered. Choose it when the value you are buying is the incident response bench behind the SOC: organizations that expect to face targeted adversaries tend to weigh that more heavily than per-endpoint pricing.

Arctic Wolf Networks Arctic Wolf Managed Detection and Response

Best for: Organizations that want a dedicated team, recovery, and a warranty

Arctic Wolf Managed Detection and Response runs on the Aurora Platform, which collects, enriches, and analyzes security data at scale, with Alpha AI for detection and analysis. The service is delivered through the Concierge Delivery Model: a dedicated team that provides tailored expertise and guided risk mitigation rather than a generic ticket queue.

The scope is wider than detection. Incident response and breach recovery are included, as are managed security awareness training and managed risk assessment and vulnerability management, so one contract can cover several functions a smaller team would otherwise buy separately. A Security Operations Warranty of up to $3 million is part of the offer.

Arctic Wolf fits SMB through enterprise and is cloud-delivered. Our data lists no named integrations; confirm coverage for your specific EDR, identity, and cloud sources. It suits organizations that want one accountable partner for security operations.

Red Canary Managed Detection and Response

Best for: Teams that want high-fidelity detection across endpoints, identities, and cloud

Red Canary Managed Detection and Response is a 24x7 service that detects and responds to threats across endpoints, identities, and cloud. It plugs into existing tools and telemetry, with integrations listed for Microsoft, CrowdStrike, SentinelOne, VMware Carbon Black, Palo Alto Networks, AWS, Google Cloud Platform, and Linux.

Coverage includes ransomware and malware, credential theft and account compromise, business email compromise, brute force and MFA attacks, cloud misconfigurations and runtime threats, and data exfiltration. The vendor reports a 99%+ true positive rate, which is the number that matters for the team receiving the escalations. Analysts investigate and collaborate with the customer, with on-demand adversary insights and threat intelligence integrated.

Red Canary fits SMB through enterprise and is cloud-delivered. It is a strong choice when you want to keep your EDR and cloud tooling and add a detection and response layer that is honest about signal quality.

Expel Managed Detection and Response

Best for: Organizations that want MDR across their existing stack with fast response

Expel Managed Detection and Response is a 24x7 SOC that works with the tools you already have: no agents to deploy and no infrastructure to replace, with more than 160 integrations across endpoints, identity, cloud, and network. The vendor reports a 13-minute mean time to respond.

Operations run through Expel Workbench, which shows enriched context, correlated signals, and real-time investigation status, so the customer sees what the analysts see. Ruxie, the AI and automation engine, triages events to cut alert volume before a human looks, and detection includes custom rules and correlation across sources. Human analysts investigate and remediate, and the service returns posture improvement recommendations.

Expel fits SMB through enterprise and is cloud-delivered. Our data lists no named integrations by vendor name despite the 160+ count, so confirm your specific stack. It is the product to shortlist when transparency into the investigation and speed of response are the deciding criteria.

Huntress Managed EDR

Best for: Small and mid-size organizations that want a managed SOC on a first-party EDR agent

Huntress Managed EDR covers Windows, macOS, and Linux endpoints with an EDR agent Huntress builds itself rather than reselling, backed by a 24/7 AI-assisted security operations center. Analysts hunt threats and investigate and respond on the customer's behalf.

Detection focuses on what actually precedes ransomware: persistent footholds where attackers abuse legitimate applications, malicious process behavior, and ransomware canaries that trip when encryption starts. Response and remediation are automated where safe and analyst-driven otherwise.

Huntress is cloud-delivered and lists SMB through enterprise, with its strongest fit in the small and mid-size organizations and the managed service providers that serve them. It is the most accessible entry in this list for a company that has no security team at all. Our data lists no named integrations.

How to Choose the Right Tool

MDR is a service contract, so the evaluation is about the relationship as much as the technology. Ask who does what, with which data, how fast, and what happens when the incident becomes a breach.

• Decide platform-tied or vendor-neutral. If you are standardized on Cortex XDR or Google SecOps, Unit 42 and Mandiant fit naturally. If you want to keep a mixed stack, Expel, Red Canary, and Arctic Wolf integrate with what you own.
• Ask for the true positive rate and the mean time to respond, with definitions. Red Canary (99%+) and Expel (13 minutes) publish theirs; ask the others for equivalents.
• Define response authority in writing: what the provider may contain without asking, and what requires your approval.
• Check which sources are covered: endpoint only, or identity, cloud, SaaS, and network as well. Red Canary and Expel list identity and cloud explicitly; Huntress is endpoint-centered.
• Look at what happens after detection. Mandiant and Arctic Wolf include incident response and recovery; others offer guided remediation.
• Weigh the extras honestly. Arctic Wolf bundles awareness training, risk management, and a warranty; that is valuable only if you would buy them anyway.
• Run a 30-day proof of value with real telemetry and count the escalations your team actually had to handle.

Conclusion

If you want to keep your stack, Expel and Red Canary are the two to compare, and the decision usually comes down to response speed versus detection fidelity and which integrations each supports natively. Arctic Wolf is the choice for a single accountable partner with recovery and a warranty. Cortex XDR and Google SecOps customers should price Unit 42 and Mandiant first. Smaller companies without a security team should start with Huntress. Whatever you choose, write down who may do what before the first incident.

Frequently Asked Questions

What is the difference between MDR and a SIEM?

A SIEM is a tool your team operates. MDR is a service where the provider's analysts monitor, investigate, and respond for you, often using their own platform or your existing tools. Many MDR providers run on top of a SIEM or XDR.

Do I need to replace my EDR to use MDR?

Not with vendor-neutral providers. Expel, Red Canary, and Arctic Wolf integrate with existing EDR such as CrowdStrike, SentinelOne, and Microsoft Defender. Unit 42 MDR runs on Cortex XDR and Mandiant Managed Defense on Google SecOps.

Will the MDR provider take action without asking?

It depends on the contract. Most providers offer a spectrum from notify-only to autonomous containment for agreed actions such as isolating an endpoint. Define that authority before signing.

What does MDR cover beyond endpoints?

The providers here list identity, cloud, SaaS, and network telemetry in various combinations. Red Canary and Expel cover endpoints, identities, and cloud; Huntress focuses on endpoints with its own agent.

How is MDR priced?

Usually per endpoint or per user per year, sometimes per data volume for cloud and network sources. Bundled services such as incident response retainers or warranties change the comparison; none of these providers publish list prices.

Is MDR enough for compliance requirements like NIS2 or HIPAA?

It covers the monitoring and response obligations. Most providers supply reporting that auditors accept; confirm the format and the regulations (NIS2, HIPAA, GDPR) with your auditor before signing.

How this list was made

Commercial products only, one product per company, companies that were acquired are excluded. Ranked by market signals and an editorial review. Paid placements are labeled. Read the full methodology at /methodology.