10 Best MDR and Managed SOC Providers in the US (2026)

Managed detection and response (MDR) providers watch your systems around the clock and act when they find an attack: their analysts investigate alerts from your endpoints, identities, cloud accounts and email, then isolate infected machines or lock compromised accounts, usually within minutes. IBM’s 2026 Cost of a Data Breach Report puts the average breach at a record $4.99 million worldwide, which is why many companies without a full-time security team now buy MDR. Providers differ mainly in whether you must use their own tools (CrowdStrike, SentinelOne, Zscaler, Huntress) or they work with what you already have (Sophos, Expel, ReliaQuest, Critical Start), and in how much incident response and warranty coverage is included. Here’s how the leading providers compare:

At a glance

Arctic Wolf

★ Top pick
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Arctic Wolf, based in Eden Prairie, Minnesota, delivers 24x7 managed detection and response on its Aurora platform, using an open architecture with more than 200 integrations so it can take in telemetry from tools you already run. Its Incident360 retainer covers one incident and its warranty pays up to $3 million; pricing is by quote. In 2026 it bought Sevco Security, launched an agentic AI SOC and a version of its MDR for managed service providers, and was named a Leader in IDC’s MarketScape for midmarket MDR. Best for: midsize companies that want monitoring, an incident response retainer and a warranty from one vendor.

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Huntress

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Huntress, the Columbia, Maryland company founded in 2015, built its 24/7 SOC for small and midsize businesses and publishes its prices: managed EDR costs $8.99 per endpoint a month at 50 to 99 endpoints, falling to $5.49 at 500 to 999, identity threat detection for Microsoft 365 and Google Workspace $4.80 per identity a month, and SIEM $4.00 per data source a month, on 12-month terms. Its analysts isolate endpoints and remediate compromised identities, and companies with fewer than 50 seats buy through a managed service provider. In July 2026 it passed $250 million in annual recurring revenue, protecting more than 270,000 businesses. Best for: small and midsize businesses that want round-the-clock monitoring at a published per-seat price.

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CrowdStrike Falcon Complete

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Falcon Complete is CrowdStrike’s (Nasdaq: CRWD) 24/7 MDR service built on its Falcon platform, correlating telemetry across endpoints, identities, AI agents, cloud, SaaS and third-party data, with analysts carrying out full remediation on your behalf. CrowdStrike cites a median time to contain of about one minute, though results vary, and includes a breach warranty of up to $2 million that applies only to certain breaches of protected endpoints; full incident response is a separate service. Pricing is by quote, and in 2026 CrowdStrike bought identity-security firm SGNL to extend the platform. Best for: companies standardized on CrowdStrike Falcon that want the vendor itself to run detection and response.

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Sophos MDR

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Sophos MDR, from UK-based Sophos, which bought Atlanta-based Secureworks in February 2025, monitors around the clock and can work on top of Microsoft Defender, CrowdStrike or SentinelOne tools you already own, with hundreds of integrations across endpoint, network, cloud, identity, email and business apps. It includes critical incident response with no caps or extra fees and offers a breach warranty, and Sophos says it serves about 40,000 MDR customers of all sizes. Pricing is by quote through partners. Best for: small and midsize businesses that want 24/7 monitoring without replacing their current endpoint security.

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Expel

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Expel, the Herndon, Virginia company founded in 2016, runs a vendor-agnostic 24x7x365 SOC that connects to more than 160 tools — including Microsoft, AWS, Google Cloud, CrowdStrike, Okta and Wiz — to cover cloud, endpoint, identity, network, SaaS and email without deploying its own agents. Its analysts take containment and remediation actions on your behalf, and Expel reports a mean time to respond of about 14 minutes, though that is not a contractual guarantee. Pricing is by quote. Best for: companies that already run an EDR and cloud stack and want an expert SOC on top.

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ReliaQuest

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ReliaQuest, the Tampa company that raised more than $500 million at a $3.4 billion valuation in March 2025 from EQT, KKR and FTV Capital, runs its GreyMatter platform on top of more than 200 security tools you already own, across cloud, multicloud and on-premises environments, and says it contains threats in under five minutes. It added agentic AI teammates in 2025 and launched GreyMatter SIEM-Less in July 2026. Pricing is by quote, and it is aimed at large enterprises. Best for: large enterprises with security tools from many vendors.

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Zscaler MDR (Red Canary)

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Red Canary, bought by Zscaler (Nasdaq: ZS) for $675 million in cash in a deal that closed in August 2025, is now sold as Zscaler Managed Detection and Response: a 24/7, human-led, AI-assisted service covering endpoints, network traffic through Zscaler’s internet gateway, AWS, Google Cloud and Azure, email, identities and SaaS. Analysts can block URLs and indicators through Zscaler, isolate endpoints through your EDR and suspend users through your identity provider, with actions either approved by you or automated. Pricing is by quote. Best for: companies that already use Zscaler and want MDR built around it.

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SentinelOne Wayfinder MDR

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Wayfinder MDR is SentinelOne’s (NYSE: S) managed service, in which its analysts monitor, investigate and respond 24/7/365 using Google Threat Intelligence and SentinelOne’s Purple AI, in three tiers: Threat Hunting, MDR Essentials and MDR Elite, which adds a dedicated threat advisor and an incident response retainer. It includes a breach response warranty of up to $1 million for incident response and recovery if an undetected breach occurs on covered Windows, Linux and macOS machines or cloud workloads. Pricing is by quote. Best for: companies that run SentinelOne and want the vendor’s own experts watching it.

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Critical Start

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Critical Start, the Plano, Texas company founded in 2012 and backed by Vista Equity Partners, runs 24x7x365 MDR on top of the customer’s own endpoint, XDR and SIEM tools, including Microsoft Sentinel and Splunk. In June 2026 it launched SOC AI, a multi-agent system behind its MDR, and in July 2026 it named Francine Geist CEO in a planned leadership transition. Pricing is by quote. Best for: midsize firms already running Microsoft Defender and Sentinel or Splunk that want a 24/7 SOC on top.

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Blackpoint Cyber

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Blackpoint Cyber, founded in 2014 by former NSA operator Jon Murchison and backed by a $190 million investment from Bain Capital Tech Opportunities and Accel, runs a 24/7 SOC on its CompassOne platform covering endpoints, identity and cloud, including Microsoft 365, and sells mainly through managed service providers. Its 2026 threat report said its SOC stopped 56% of 2025 incidents before a payload was deployed, and in June 2025 Gagan Singh became CEO. It doesn’t publish prices. Best for: small and midsize businesses that buy security through an MSP.

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Bottom line

Small and midsize businesses should start with Huntress for published per-seat pricing, Sophos MDR to keep their current endpoint security, or Blackpoint if they buy security through a managed service provider. Midsize companies that want one vendor for monitoring, incident response and a warranty should look at Arctic Wolf. If you already run CrowdStrike, SentinelOne or Zscaler, their own MDR services — Falcon Complete, Wayfinder and Zscaler MDR — are the natural fit, while Expel, ReliaQuest and Critical Start suit teams with tools from several vendors. Before you sign, ask exactly which response actions analysts may take without asking you, whether incident response and forensics are included, and what the warranty actually covers.

How much does MDR cost?

Few providers publish prices. Huntress lists managed EDR at $8.99 down to $5.49 per endpoint a month depending on volume, plus $4.80 per identity a month for identity protection; most others, including Arctic Wolf, CrowdStrike, Sophos, Expel and ReliaQuest, quote based on endpoints, users, data sources and the level of incident response you want.

What is the difference between MDR and an MSSP?

A traditional managed security service provider (MSSP) mainly monitors your systems and sends alerts, leaving the response to your team. MDR adds active response: the provider’s analysts investigate threats and take action, such as isolating a device or disabling an account, as IBM and Microsoft both describe it.

Do I still need my own security software with MDR?

Usually, yes. Some MDR services run on the provider’s own agent (CrowdStrike Falcon Complete, SentinelOne Wayfinder, Huntress), while others monitor tools you already license, such as Microsoft Defender, CrowdStrike or Okta (Sophos, Expel, ReliaQuest, Critical Start). Check which licenses you need and what the provider can see before you sign.

How our rankings are made

Reader votes

One vote per reader per tool, bot-filtered. Votes decide the order — the most-voted tool is #1, shown as real numbers.

Verified use

Reviews are weighed by evidence of real use by US businesses — not by volume.

Editorial analysis

We test the tools, read the pricing fine print, and write the reviews. Your votes set the ranking.

No vendor pays for placement.