Top Managed Detection And Response (MDR) Providers In 2026

Most security teams do not lose to attackers because they lack tools. They lose because nobody is watching the alerts at 3 a.m., or because the person who is watching cannot isolate a host or disable an account fast enough. That gap is what MDR providers exist to close. A managed detection and response service puts a 24/7 security operations center (SOC) on top of your endpoints, identities, cloud and email, hunts for threats that never trip an alert, and takes containment actions on your behalf when something real turns up.

The market splits into two camps. Some MDR services are delivered by the vendor whose endpoint or XDR stack you run, which gives deep control of that stack but ties you to it. Others are independent providers that work across the tools you already own. Below, we cover both, with a plain description of what each one actually monitors and what it will do during an incident. If you are building a wider shortlist, our guides to cyber security companies in Manchester and embedded security testing companies and device auditors cover adjacent services.

Every one of the managed detection and response providers here was checked against its own website for the service, the telemetry it covers and the response actions it publishes. Analyst recognitions are included only where the provider names the report and the year.

Managed Detection And Response (MDR) Providers At A Glance

Company	Headquarters	Best For	Core Services
eSentire	Waterloo, Canada	Mid-market and enterprise teams that want fast, hands-on containment across mixed tools	Atlas-based MDR, BYOL or fully managed, unlimited threat hunting, incident handling
Expel	Herndon, USA	Cloud-heavy teams that want to keep their existing security stack	Vendor-agnostic MDR, managed SIEM, phishing response, threat hunting
Arctic Wolf	Eden Prairie, USA	Organizations that want MDR plus an assigned team guiding security posture	Aurora MDR, Concierge security reviews, incident response, threat intelligence
CrowdStrike Falcon Complete	Austin, USA	Companies standardized on CrowdStrike Falcon	Next-Gen MDR on Falcon, OverWatch threat hunting, full-cycle remediation, warranty
Sophos MDR	Abingdon, UK	Midmarket teams running Microsoft, CrowdStrike or SentinelOne endpoints	24/7 MDR with third-party integrations, threat hunting, incident response, Taegis MDR
Rapid7	Boston, USA	Teams that want exposure data and MDR in one workflow	MDR with unlimited incident response, Velociraptor DFIR, SIEM, exposure management
Huntress	Columbia, USA	SMBs and MSPs that need managed endpoint and identity protection	Managed EDR, Managed ITDR, Managed SIEM, security awareness training
Binary Defense	Stow, USA	US organizations that want US-based analysts working their existing tools	Vendor-agnostic MDR, threat hunting, phishing response, NightBeacon investigation
Bridewell	Reading, UK	UK critical national infrastructure on the Microsoft security stack	Sentinel-based MDR, threat hunting, incident response, consultancy
Integrity360	Dublin, Ireland	European organizations that want regional SOCs and a broad services partner	Aegis MDR, managed SOC services, incident response, threat hunting

Best MDR Providers In 2026

The list runs from independent specialists that built their businesses on MDR, through the vendor-delivered services tied to major endpoint and XDR platforms, to regional providers with strong local SOC coverage.

1. eSentire — MDR Specialist Publishing A 15-Minute Mean Time To Contain

eSentire has been in the security business since 2001 and has made managed detection and response its core offering. The service runs on its own Atlas platform, which the company says connects to endpoint, network, log, cloud and identity signals through more than 300 technology integrations. Customers can bring their own license for tools they already own or take a fully managed package, and there is a separate MDR offering built specifically for Microsoft environments.

What stands out is how specific eSentire is about response. Its site lists host isolation, hash blocking, account suspension, retroactive email purges and system reboots as actions its SOC takes, alongside unlimited threat hunting and incident handling. The company says its mean time to contain is 15 minutes and that onboarding averages about 14 days. Those are vendor figures, but few providers publish a containment number at all.

Named customers on its site include Quarles & Brady LLP, CubeSmart, Elemica, Rawlings Sporting Goods, Thomas H. Lee Partners and Hexagon AB, and eSentire is the official cybersecurity partner of Aston Villa Football Club. According to its site, eSentire is recognized in the 2026 Gartner Market Guide for Managed Detection and Response.

Best for: mid-market and enterprise organizations that run a mix of security vendors and want a provider that will act inside that stack, not just send tickets.

2. Expel — Vendor-Agnostic MDR With 160+ Integrations And Slack-Based Analyst Access

Expel, based in Herndon, Virginia, is an independent MDR provider built around the idea that customers should keep the tools they already pay for. Its MDR service covers endpoint, cloud, identity, email, network, SaaS and AI workloads, with specific use cases for Kubernetes, AWS, Google Cloud, Microsoft, Oracle Cloud and SIEM. The company lists more than 160 technology integrations and names Microsoft, AWS, Google Cloud, CrowdStrike, Okta and Wiz among them.

Response combines automated remediation and containment with human-executed actions, and every step is recorded in an audit trail customers can see in its Workbench portal. Expel says its mean time to remediate high and critical incidents is 14 minutes. Customers reach its 24/7 analysts directly through Slack or Microsoft Teams, which many security teams find faster than a ticket queue. Managed SIEM, phishing response and threat hunting are available as additional services.

The customer list on its site includes Visa, United Airlines, Uber, Turo, ZoomInfo, Skechers, NerdWallet, Markel, Hogan Lovells and Qlik. Expel says it was named a Leader in The Forrester Wave for MDR Services, Q1 2025.

Best for: cloud-forward companies with an established security stack that want transparent, fast response without switching endpoint or SIEM vendors.

3. Arctic Wolf — Aurora MDR Paired With An Assigned Concierge Security Team

Arctic Wolf, headquartered in Eden Prairie, Minnesota, says it serves more than 10,000 customers worldwide. Its MDR service now runs on the Aurora platform, using what the company calls an Aurora Agentic SOC: automated detection and response with analysts in the loop. The platform uses an open XDR architecture with more than 200 integrations, so it can pull telemetry from tools a customer already has rather than requiring a full replacement.

The service is organized as detect, respond and remediate. Deployment covers setup and log configuration, triage covers 24/7 monitoring, investigation and response actions, and incident response covers severe incident remediation, digital forensics and business restoration. Threat intelligence briefings, campaign bulletins and STIX/TAXII ingestion are part of the package.

The differentiator is the Concierge model. Arctic Wolf assigns security experts who learn each customer’s environment and run ongoing posture reviews and account reviews, with the stated goal of reducing risk over time rather than only reacting to incidents. The company says it completed more than 74,000 security posture reviews in 2025.

Best for: organizations without a large internal security team that want MDR plus a named group of experts steering their security program.

4. CrowdStrike Falcon Complete — Next-Gen MDR On The Falcon Platform With A Breach Prevention Warranty

Falcon Complete Next-Gen MDR is CrowdStrike’s own managed service, run by its analysts on top of the Falcon platform. It is the clearest example of vendor-delivered MDR on this list: the team operating the service also builds the endpoint agent, which gives it direct control over detection and remediation on Falcon-protected hosts.

Coverage spans endpoints, identities and cloud workloads, plus Falcon Next-Gen SIEM, which CrowdStrike uses to bring in critical third-party data. Threat hunting comes from Falcon Adversary OverWatch, and the service handles full-cycle remediation on the customer’s behalf rather than handing back a list of steps. CrowdStrike cites the MITRE Engenuity ATT&CK Evaluations for Managed Services, Round 2, in which it says its team detected advanced threats in four minutes. A Breach Prevention Warranty is included at no extra cost, though CrowdStrike notes it is not available to every customer or region.

According to its site, CrowdStrike was named a Leader in The Forrester Wave for Managed Detection and Response, Q2 2023, and a Leader in the IDC MarketScape: Worldwide Managed Detection and Response 2024 Vendor Assessment.

Best for: organizations that have standardized on CrowdStrike Falcon, or plan to, and want the vendor itself running detection and remediation around the clock.

5. Sophos MDR — Vendor MDR That Also Works With Microsoft, CrowdStrike And SentinelOne Telemetry

Sophos, headquartered in Abingdon, England, runs one of the largest MDR operations by customer count: the company says about 40,000 organizations use Sophos MDR. Unlike many vendor-delivered services, it is not limited to the vendor’s own agent. Sophos says the service integrates with hundreds of third-party security and IT tools and is used by organizations running Microsoft, CrowdStrike and SentinelOne environments, with a particularly deep integration for Microsoft Defender for Endpoint and Defender for Business.

The service combines AI-driven triage with Sophos analysts, proactive threat hunting, and critical incident response with root cause analysis and a dedicated incident response advisor. Sophos says confirmed threats are fully removed, not just contained, with no hourly caps or extra fees, and that the service is backed by a breach protection warranty. It reports an average of 89 seconds from alert to automated response. For larger enterprises, Sophos also offers Taegis MDR, following its 2025 acquisition of Secureworks.

Sophos says it was named a Leader in the IDC MarketScape for Worldwide MDR Services for Midmarket, 2026, and an Overall Leader in the KuppingerCole Leadership Compass for MDR, 2026.

Best for: midmarket organizations that want vendor-grade MDR without replacing an endpoint product they already run.

6. Rapid7 — MDR With Unlimited Incident Response And Velociraptor Forensics

Rapid7, headquartered in Boston, comes to MDR from vulnerability and exposure management, and its service leans on that background. The company describes its offering as preemptive MDR: exposure context, detection and response sit in one workflow, so analysts can see which weaknesses an attacker is likely to use while they investigate.

Native telemetry covers endpoint, cloud, SaaS, network and user activity, and Rapid7 says the service also ingests third-party data from endpoint, cloud, identity, email and network tools. Its 24/7 SOC analysts investigate, contain, remediate and eradicate threats. The headline commercial term is unlimited incident response with no caps, which removes the risk of a surprise retainer bill during a major breach. Analysts use Velociraptor, the open source digital forensics and incident response tool that Rapid7 maintains, for endpoint visibility and remediation.

According to its site, Rapid7 was named a Leader in the IDC MarketScape for Worldwide MDR Services in 2026 and a Leader in the Frost Radar for Managed Detection and Response in 2025.

Best for: security teams that already use, or want, Rapid7’s exposure management and SIEM, and that value forensics depth and uncapped incident response.

7. Huntress — Managed EDR And ITDR Built For SMBs And The MSPs That Serve Them

Huntress was founded in 2015 in Columbia, Maryland, by former National Security Agency cyber operators. It has grown into one of the most widely used MDR options in the small and midsize business market, largely sold through managed service providers. The company says it protects more than 5 million endpoints and more than 16 million identities.

Its core product, Managed EDR, uses a lightweight agent on Windows, macOS and Linux and runs alongside existing antivirus. Detection focuses on persistent footholds, malicious process behavior, lateral movement and ransomware canaries, and Huntress manages Microsoft Defender Antivirus at no extra cost. Its AI-assisted, human-led SOC reviews every alert before it reaches the customer, then contains the threat, removes attacker footholds and sends plain-English remediation guidance.

The portfolio extends past the endpoint. Managed ITDR protects Microsoft 365 and Google Workspace identities, Managed SIEM adds log-based detection and compliance support, and Managed ISPM hardens Microsoft 365 and identity settings. Pricing is positioned as simple and predictable, which suits buyers without a security budget line of enterprise size.

Best for: small and midsize businesses, and the MSPs that protect them, that need 24/7 endpoint and identity response without a complex deployment.

8. Binary Defense — US-Based MDR Team Working Across 116+ Existing Tool Integrations

Binary Defense, based in Stow, Ohio, is an independent MDR provider that emphasizes two things: its analysts are US-based, and it works with the tools a customer already owns. The service provides 24/7 detection, investigation and response across endpoint, cloud, identity, email and network, and the company says a named operator owns each detection through investigation and response.

Under the hood is NightBeacon, its investigation platform, which Binary Defense says completes about 90 percent of an investigation before an analyst opens the case. NightBeacon ingests data from more than 116 integrations across nine categories, including Microsoft Sentinel, Microsoft Defender, Splunk, CrowdStrike, SentinelOne and Palo Alto Networks Cortex. The company pitches this as no rip-and-replace: the SOC operates inside the SIEM and EDR you already pay for.

Proactive threat hunting is offered as a separate service focused on finding hidden threats and blind spots before alerts fire, and phishing response includes rapid triage and takedown. Akron Children’s appears on its site through a testimonial from its vice president of information security.

Best for: US organizations, including healthcare and regulated industries, that want domestic analysts and a vendor-agnostic MDR service on top of an existing Microsoft, Splunk or CrowdStrike investment.

9. Bridewell — Microsoft Sentinel MDR For UK Critical National Infrastructure

Bridewell was founded in 2013 and is headquartered in Reading, England, with a US office in Houston. It has built its MDR practice around critical national infrastructure, and the company says more than 200 CNI organizations have trusted it. Sectors it lists include aviation, energy, financial services, government, transport, water and healthcare.

Its MDR service is built on the Microsoft security stack. Bridewell deploys and manages Microsoft Sentinel as the SIEM, integrates the client’s EDR and XDR tools, and works across Defender and Purview. Analysts handle real-time alert management and proactive threat hunting, and during a breach they lead investigation, containment and remediation. The company says MDR can be running in less than a week.

Accreditation is a strong point for regulated buyers. Bridewell says it holds the most NCSC assured services of any provider, its SOC holds CREST accreditation, and its analysts carry NCSC, CREST, SANS and ASSURE certifications. Northern Gas Networks is a published case study, and its US site features work with Charlotte Douglas International Airport and Baton Rouge Metropolitan Airport.

Best for: UK and US operators of essential services that run Microsoft security tools and need a provider with deep regulatory credentials.

10. Integrity360 — Aegis MDR Delivered From Six SOCs Across Europe And South Africa

Integrity360 is a Dublin-based cybersecurity services company with offices across Ireland, the UK, the Nordics, Southern and Eastern Europe, Germany, Canada and South Africa. Its MDR service, Aegis MDR, is delivered from six security operations centers that the company says are located in Ireland, Sweden, Italy, Spain, Bulgaria and South Africa. That spread gives European buyers in-region analysts and follow-the-sun coverage.

Aegis MDR covers networks, endpoints and cloud, with 24/7 threat hunting, behavioral analysis, expert-led triage, investigation, containment and remediation for threats that get past preventive controls. Integrity360 also runs managed SOC services for specific platforms, including a Managed Darktrace SOC, Managed Fortinet Fabric and Microsoft security services, which makes it a practical choice for buyers who want MDR built around a product they already run.

Beyond MDR, the company offers incident response, testing and consultancy, so it can serve as a single partner for a broader security program. Payzone Ireland is among the clients featured on its MDR page.

Best for: European organizations that want MDR from regional SOCs and a partner that can also manage specific platforms and cover consulting needs.

How To Choose An MDR Provider

What response actions will the provider take without asking you first?

This is the single most important question. Some managed detection and response services only notify you, which leaves your team doing the containment at night. Others will isolate hosts, kill processes, disable user accounts, reset sessions and purge malicious email on their own authority. Ask for the exact list of pre-approved actions, which systems they apply to (endpoint only, or also identity, email and cloud), and how you set rules of engagement for critical servers you do not want isolated automatically.

Do you want vendor-delivered MDR or a vendor-agnostic provider?

Vendor-delivered MDR, such as CrowdStrike Falcon Complete, gives the provider full control of the agent and usually the fastest remediation on that platform. The tradeoff is lock-in: changing endpoint vendors later means changing MDR providers too. Vendor-agnostic MDR providers work across the tools you already own, which protects past investments and lets you swap components later. If you run several security products, ask each provider which of them it supports with response actions, not just alert ingestion.

Which telemetry sources are covered in the base price?

Many attacks now start with a stolen identity or a cloud misconfiguration, not a malicious file on a laptop. Check whether the base MDR price includes identity (Entra ID, Okta, Google Workspace), email, cloud control planes and SaaS logs, or whether those are add-ons. A service that only watches endpoints will miss business email compromise and token theft.

Is incident response included, and is it capped?

Containment is not the same as full incident response. Ask what happens after a host is isolated: who does the forensics, root cause analysis and eradication, and whether that work is billed hourly. Some providers include unlimited incident response, others include a fixed number of hours, and others require a separate retainer. Get it in writing before you need it.

How are speed and quality measured and reported?

Ask for mean time to detect, mean time to contain and mean time to remediate, and ask how each is defined, because providers measure from different starting points. More useful than a headline number is a sample monthly report showing the metrics for a customer of your size. Also ask how you communicate with analysts during an incident: a shared Slack or Teams channel is very different from a ticket portal.

Where are the analysts located, and does that matter for compliance?

Data residency and regulatory rules can limit who may access your logs. Government contractors may need US-based staff, UK critical infrastructure operators may need NCSC assured services, and EU organizations may prefer in-region SOCs for GDPR reasons. Confirm SOC locations, staff vetting and certifications before you sign, not during an audit.

Conclusion

The best MDR providers share three traits: they watch more than endpoints, they act quickly on your behalf, and they are open about how they measure that speed. eSentire and Expel lead for independent, vendor-agnostic coverage with published containment and remediation times. CrowdStrike Falcon Complete and Sophos MDR make sense if you want the vendor running its own stack, while Rapid7, Arctic Wolf and Huntress each bring a distinct model, from uncapped incident response to an assigned concierge team to SMB-focused managed EDR.

Regional needs can tip the decision. Binary Defense suits buyers that require US-based analysts, Bridewell fits UK critical infrastructure on Microsoft Sentinel, and Integrity360 offers in-region SOCs across Europe. Shortlist two or three MDR services that match your stack and compliance needs, ask each the questions above, and run a proof of value before you commit. For related providers, see our list of top cyber security companies in Manchester.