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Ackcent Cybersecurity
Barcelona-headquartered boutique MDR that brings SentinelOne and Stellar Cyber Open XDR expertise to the Spanish-speaking market. Gartner Market Guide representative vendor (2023). Small team with a bring-your-own-EDR approach, but almost no English-language community presence or published performance data, so you are largely trusting vendor claims.
AirMDR
AI-native MDR built by the co-founders of Sumo Logic and LogicHub. AI virtual analysts handle triage and investigation for most alerts, with human oversight on high-risk cases. Works with your existing EDR, SIEM and cloud tools (vendor claims 240+ integrations). Seed-stage company founded in 2023 with $15.5M raised, targeting SMBs priced out of traditional MDR.
Arctic Wolf
Technology-agnostic MDR built on the Aurora open XDR platform, designed to work with your existing security tools rather than replace them. Arctic Wolf assigns a named Concierge Security Team to each customer as an extension of your internal staff. Valued at $4.3B, the company acquired BlackBerry's Cylance for endpoint coverage in early 2025.
Armor
Cloud-first MDR tightly coupled to Microsoft Sentinel and Defender XDR, targeting regulated industries like healthcare and financial services. Detection runs on Trend Micro Vision One with Armor's own agent layered on top, so buyers are committing to both ecosystems. Very thin public review footprint (12 G2 reviews) makes independent validation difficult.
At-Bay Stance MDR
InsurSec MDR from At-Bay Security, a wholly owned subsidiary of cyber insurer At-Bay, built around the At-Bay Stance platform and managed security packages rather than a bring-your-own-EDR model. It is aimed at small and mid-market businesses that want At-Bay to handle monitoring, containment and remediation, with optional insurance-linked premium credits and coverage enhancements for qualifying policyholders.
Avertium
Technology-agnostic MDR built on the Fusion Engine platform that integrates with Microsoft Sentinel, LogRhythm, and SentinelOne. Formed in 2019 through a Sunstone Partners rollup of three regional MSSPs (Sword & Shield, Terra Verde, TruShield), Avertium focuses on mid-market and enterprise organizations. Threat hunting is included as a dedicated service with weekly reports. Two SOCs in Arizona and Tennessee provide 24/7 monitoring for 1,200+ customers across 15 industries.
Barracuda Networks
MSP-channel managed XDR with a 24/7 global SOC across five specialized teams. SentinelOne powers endpoint security in the fully managed model, with a monitoring-only option for existing EDR. 50+ integrations spanning endpoint, email, network, cloud, and identity. Security logs are retained 12 months but not available for customer download, which limits forensic independence. Detection speed claims lack independent validation (no MITRE participation).
Binary Defense
Technology-agnostic MDR co-founded by David Kennedy (creator of the Social Engineer Toolkit) with a strong reputation for proactive threat hunting. Binary Defense works with your existing EDR and SIEM rather than replacing them, and consistently earns the highest possible Forrester scores for endpoint detection and threat hunting.
Bitdefender MDR
Platform-native MDR built on the GravityZone stack where Bitdefender controls the entire detection pipeline from EPP through EDR/XDR to managed SOC operations. MITRE-evaluated for both Enterprise detection and Managed Services, with notably low false positive rates. Requires the GravityZone agent, which means full commitment to their ecosystem but tighter detection integration than vendor-agnostic alternatives.
Blackpoint Cyber
MSP-channel-only MDR founded by former NSA operatives, selling exclusively through managed service providers. Blackpoint's SNAP-Defense platform uses a patented Live Network Map to detect lateral movement and tradecraft patterns, and the SOC acts autonomously without waiting for partner approval. Backed by $190M Series C from Bain Capital (2023). Now led by CEO Gagan Singh (ex-McAfee/Norton) with founder Jon Murchison as Executive Chairman.
BlueVoyant
Technology-agnostic MDR with deep Microsoft specialization, operating inside the customer's own Sentinel or Splunk instance without deploying a proprietary agent. Founded in 2017 by the former COO of Morgan Stanley, BlueVoyant manages 500+ Microsoft Sentinel deployments and won Microsoft Worldwide Security Partner of the Year 2024. Incident response is a separate DFIR retainer, not included in base MDR.
Bridewell
Microsoft-native MDR for Critical National Infrastructure. Built on Sentinel and Defender XDR with OT/ICS expertise. Holds the most NCSC assured services of any UK provider. Merged with I-Tracing (May 2025) to form a ~1,000-person European cybersecurity group.
Check Point
Services firm offering MDR built on ThreatCloud AI. The MDR 360 tier (launched July 2025) added vendor-neutral positioning with 160+ third-party integrations and native identity threat detection for AD, Entra ID, and Okta. Strongest for organizations already running Check Point infrastructure, though premium pricing and licensing complexity are persistent complaints.
ConnectWise
MSP-channel MDR built on the ConnectWise Asio platform. Sold exclusively through MSP partners, not directly to end customers. Supports multiple EDR engines (Bitdefender, SentinelOne, Microsoft Defender) so MSPs can standardize or mix across their client base. Formerly Perch Security SIEM, acquired 2020.
Critical Start
Technology-agnostic MDR centered on the Trusted Behavior Registry, which auto-resolves the majority of alerts by identifying known-good behavior before they reach human analysts. One of the few MDR providers with OT/ICS monitoring through Claroty, Dragos and Nozomi integrations. Founded by Rob Davis (former RSA Security VP), now led by CEO Scott White and backed by Vista Equity Partners since 2022.
CrowdStrike
Platform-native MDR built on the Falcon platform where CrowdStrike analysts take direct remediation actions without waiting for customer approval. Charlotte AI powers AI-assisted investigation with agentic workflows, while Falcon Adversary OverWatch provides 24/7 proactive threat hunting. Requires the CrowdStrike Falcon ecosystem, which means single-vendor commitment but deep platform integration.
CyberCX
Microsoft-focused managed SOC operating 9 CREST-accredited SOCs across ANZ and the UK. Detects and investigates via Defender XDR and Sentinel, but remediation requires customer approval. Acquired by Accenture in February 2026.
Cyberleaf
Works-with-your-tools MDR/XDR provider for growing businesses, MSPs and private equity portfolios that want a managed SOC plus compliance support. Cyberleaf is strongest when the buyer wants U.S.-based analysts, managed SIEM/SOAR, containment support and predictable monthly scope without replacing every existing tool. Pricing, contractual response SLAs and exact autonomous response rules are not public.
CyberMaxx
Healthcare-focused MDR provider using a Zero-Latency Response model where threat responders staffed 24x7x365 conduct incident triage, isolation, and containment. Three-tier MaxxMDR service (Core, Advanced, Elite) works with CrowdStrike, SentinelOne, and Microsoft Defender.
CyberOne
UK Microsoft MXDR specialist with a CREST-accredited SOC running inside the customer's own tenant. 3 tiers from automated containment to fully managed response.
Cyberoo
Italian MDR provider, publicly listed on Euronext Growth Milan. Cypeer is a technology-agnostic platform that integrates with existing EDR, SIEM, cloud, firewall, and email tools for unified threat detection. 24/7 I-SOC team operates from Reggio Emilia with expanding presence in Spain, Portugal, and Poland. Offers automated remediation via Cypeer Keera and guided response modes. Only Italian company named as a Gartner Representative Vendor for MDR (2021, 2023, 2024). Primary focus is European mid-market.
Cyderes
Technology-agnostic MDR built on Google Chronicle, formed from the 2021 merger of Herjavec Group and Fishtech Group. Cyderes is one of the few MDR providers offering client-managed, co-managed, and fully managed delivery options, and leans heavily into identity security through SailPoint and CyberArk partnerships. Very limited public review data makes independent validation difficult.
Cynet
All-in-one AutoXDR platform that natively combines EPP, EDR, NDR, UEBA, deception, SOAR, and 24/7 CyOps MDR in a single agent, with MDR included at no extra cost. Founded in Israel in 2015, now led by CEO Jason Magee (formerly ConnectWise), with R&D in Tel Aviv and SOC operations following the sun across three regions. Requires replacing existing EDR with the Cynet agent, which means full platform commitment but eliminates multi-vendor complexity.
Cyrebro
Technology-agnostic MDR that integrates with your existing EDR, SIEM, and cloud tools without requiring a proprietary agent. Cyrebro built its own SOC platform with a proprietary detection engine and SOAR, targeting SMBs and mid-market buyers who want fast onboarding (hours, not weeks). Limited brand recognition outside G2, and SOC coverage runs from a single region (Israel/Europe).
Darktrace
NDR pioneer now offering managed detection and response layered on top of its Self-Learning AI platform. Antigena autonomous response contains threats in seconds through network-level actions, with 100+ SOC analysts providing 24/7 triage and escalation. Launched as a managed service in June 2024, so limited independent feedback exists on the MDR specifically.
Daylight Security
Daylight MDR combines an AI-native platform with security experts with 10+ years of experience in IR and threat hunting. The platform integrates deeply across endpoint, cloud, identity, and SaaS environments, collecting business context to conduct cross-system investigations that reach verdicts rather than escalations. The security experts resolve ambiguous cases, tune detections, build new integrations, and lead response during confirmed incidents. SOC 2 Type II and ISO/IEC 27001 certified as of 2025.
DeepSeas
Technology-agnostic MDR built on the DeepSeas Platform, integrating with your existing security stack for 24x7 detection and response across IT, cloud, mobile, and OT environments. Formed in 2022 from the merger of Security On-Demand (founded 2001) and Booz Allen Hamilton's commercial Managed Threat Services unit. Ranked #1 service-based MDR provider in the 2024 Frost Radar, with a focus on mid-market and enterprise organizations that need IT and OT coverage under one service.
Deepwatch
Pure-play, SIEM-centric MDR with a patented Dynamic Risk Scoring engine claiming 98% false positive reduction. Squad Delivery Model assigns a named team of analysts, hunters, and engineers per customer, working on top of your existing Splunk, Google SecOps, Microsoft Sentinel, or Securonix SIEM. Significant organizational instability: 42% headcount reduction (412 to 239 employees) across 2024-2025, CEO replaced July 2024, founding CEO departed to competitor Mitiga Jan 2025, Glassdoor 2.9/5.
DefenseStorm
Banking-only MDR for U.S. banks and credit unions, delivered through DefenseStorm's GRID Active platform and a 24x7x365 collaborative SOC. It fits financial institutions that want threat operations, governance evidence and examiner reporting in one workflow, while final response decisions stay with the customer.
DirectDefense
Technology-agnostic MDR and MSSP combining 24x7 SOC operations with bundled incident response retainer hours. Built on the ThreatAdvisor 3.0 SOAR platform, which uses automated playbooks to standardize triage and investigation. Pen testing and red team heritage informs detection engineering.
DOT Security
U.S.-based managed cybersecurity provider that includes MDR inside its endpoint security service, alongside DNS protection, next-generation endpoint antivirus, EDR and persistence detection. DOT is a better fit for SMB and mid-market buyers that want a broader managed security program with vCISO and compliance support than for teams shopping for a standalone MDR tool. Pricing, EDR product names, detection metrics and contractual response SLAs are not public.
e2e-assure
UK-based MDR provider with SOCs in the UK and Australia, staffed exclusively by SC-cleared analysts. Their proprietary CUMULO platform integrates with existing security tools (Microsoft, CrowdStrike, SentinelOne, Splunk) for threat detection across endpoint, cloud, network, and OT environments. Uses an 'Attack Disruption' model with pre-approved automated containment (endpoint isolation, account disabling, file quarantine), followed by analyst investigation within one hour. Full remediation beyond containment is guided. Incident response is a separate service delivered through UK-based partners.
Ensign InfoSecurity
APAC-focused MDR provider running SOCs across Singapore, Hong Kong, Malaysia, Indonesia, and South Korea. Guided response model with Cybereason EDR partnership. Incident response is a separate retainer. Strong APAC regional threat intelligence.
eSentire
Pure-play MDR with a public 15-minute mean time to contain claim. Atlas XDR platform correlates endpoint, network, log, cloud, and identity telemetry across 300+ integrations. Isolates 99.3% of threats at first host. Named a Leader in The Forrester Wave MDR Services in Europe Q3 2025. Serves 2,000+ organizations across 80+ countries.
ESET
Platform-native MDR built on the ESET PROTECT ecosystem, backed by 30+ years of threat research from one of Europe's largest privately held cybersecurity companies. Available in two tiers: standard MDR for SMBs and MDR Ultimate for enterprises with dedicated threat hunting and forensic incident response. Requires ESET PROTECT Enterprise or Elite as the base platform, so you're committing to the full ESET stack.
Eviden
Cybersecurity, AI and digital business arm of Atos Group, run as a 17-SOC global services operation with around 6,500 security experts. Eviden's MDR is built on the AIsaac Cyber Mesh platform layered on Amazon Security Lake, sells in fully managed and co-managed forms, and was named a Leader in the 2025 IDC MarketScape for Middle East MDR.
Expel
API-first, vendor-agnostic MDR that connects to your existing security stack via 160+ integrations without deploying a proprietary agent. Founded by former Mandiant/FireEye executives, Expel's Workbench platform provides full transparency into every SOC analyst action. Threat hunting and incident response are separate add-ons, not included in the base MDR service.
Eye Security
European MDR provider founded by three former AIVD (Dutch intelligence) officers, offering managed XDR with optional bundled cyber insurance through Eye Underwriting. Operates in the Netherlands, Germany and Belgium, with planned European expansion. Backed by ~$62M in funding from Bessemer Venture Partners and J.P. Morgan Growth Equity.
Field Effect
Canadian platform-native MDR founded by ex-CSE (signals intelligence) operators. Rebranded from Covalence to Field Effect MDR in 2023. Two tiers: MDR Core ($99/user/month for 25 users or fewer) and MDR Complete (adds network monitoring, DNS firewall, and dark web monitoring at custom pricing).
Foresite Cybersecurity
Google Cloud Premier SecOps Partner delivering MDR built on Chronicle SIEM and SOAR. Foresite's Agentic SOC uses AI agents to stage response actions, but all containment requires human authorization. Compliance automation focus (CMMC, HIPAA, PCI) with vendor-agnostic approach across CrowdStrike, Tanium, and other EDR tools.
GoSecure
Platform-native MXDR from a Montreal-based provider that bundles endpoint, network, email, and Active Directory detection into its proprietary Titan platform. GoSecure also ingests Microsoft Defender telemetry, making it one of the few smaller MDR vendors with a credible Microsoft integration story. The trade-off: almost no public peer reviews exist, making independent validation difficult before you buy.
Gradient Cyber
Mid-market MXDR provider built on the proprietary Quorum AI platform. Technology-agnostic with 300+ integrations. Active response includes endpoint isolation, process kills, and quarantine via integrated EDR agents, plus passive SitRep-based guidance. 10:1 client-to-analyst ratio and 99% false positive elimination (both vendor-published). Also covers maritime OT.
Hitachi Cyber
Canadian-rooted MDR and managed security arm of Hitachi, run from six SOCs across Canada, the US, Mexico, Switzerland, Japan and Poland. Born from the 2017 rebrand of Quebec's Above Security and unified under the Hitachi Cyber brand in 2024, the team works across multi-vendor stacks built on Microsoft Sentinel, Google SecOps, SentinelOne, CrowdStrike, Splunk and Nozomi for OT.
Huntress
Channel-first MDR platform that sells almost exclusively through MSP partners. Founded by ex-NSA operators, Huntress grew from a single endpoint product into a four-product suite covering endpoints, M365 identities, SIEM, and security training. Valued at $1.8B as of 2025.
Integrity360
European services firm delivering technology-agnostic MDR through its proprietary CyberFire platform. Founded in Dublin in 2005 and backed by August Equity, Integrity360 has made nine acquisitions to reach seven SOCs across Europe and Africa, entering North America in January 2026. Works with the customer's existing EDR, SIEM, and XDR rather than requiring a proprietary agent.
Intezer
AI SOC platform built on genetic malware analysis, a technique that identifies code reuse and lineage across malware families. AI agents triage every alert with sub-minute median times, escalating 2-4% to your team for human review (figures vary across vendor materials). Founded by IDF CERT veterans and a CyberArk co-founder, backed by $60M in funding.
Kaseya MDR
MSP-channel MDR from Kaseya, built from the RocketCyber managed SOC platform and now sold as Kaseya MDR. It monitors endpoints, Microsoft 365, Entra ID and firewalls with SOC analysts who investigate alerts, escalate incidents and can take containment actions such as endpoint isolation. It fits MSPs and Kaseya-heavy teams better than buyers looking for an independent MDR provider outside the Kaseya ecosystem.
Kroll
Services firm MDR backed by 3,000+ annual IR cases feeding detection. Complete Response goes beyond containment to full threat eradication, forensics, and root cause analysis, with a complimentary $1M breach warranty. Migrated to CrowdStrike Falcon Complete in December 2025, trading platform independence for faster response.
Kudelski Security
Pure-play MDR from the cybersecurity arm of Swiss-listed Kudelski Group. Technology-agnostic, with four MDR variants (Resolute flagship, plus CrowdStrike, Microsoft, and OT-specific options) so buyers pick the wrapper that fits their existing stack. One of the few MDR providers with a dedicated OT/ICS offering and a Counter Adversary Unit doing original threat research.
LevelBlue
The result of five acquisitions in under two years: AT&T Cybersecurity spun off as LevelBlue in May 2024, then absorbed Stroz Friedberg (IR), Trustwave (MDR/SpiderLabs), Cybereason (XDR), and Alert Logic (MDR) to form the largest pure-play MSSP at $1B+ combined revenue. Trustwave MDR is the primary enterprise offering today. Multiple product lines remain unintegrated, with a unified platform promised for 2026 but not yet delivered.
LMNTRIX
Platform-native MDR that bundles its own XDR stack with native deception technology. All-inclusive pricing covers unlimited DFIR, threat hunting, and remediation. Bootstrapped, channel-only, and small (roughly 50 employees), so buyers should weigh the deception stack against vendor scale risk.
LRQA Nettitude
Services-led MDR from LRQA Nettitude, delivered through a CREST SOC-certified Security Operations Centre and backed by LRQA's testing, threat intelligence and incident response practice. It fits buyers that want MDR tied to assurance and response expertise, especially UK-regulated environments, but LRQA does not publish pricing, response SLAs, SOC locations or the exact default authority its analysts have during an incident.
Lumifi
PE-backed MDR roll-up built on the ShieldVision SOC automation platform with 1,000+ pre-built playbooks. US-based SOC in Scottsdale, AZ staffed by ex-military and former DoD analysts. Three acquisitions in 13 months brought MDR operations, SIEM technology, IR capabilities, and healthcare expertise. Technology-agnostic, integrates with major EDR and SIEM platforms.
MAD Security
Services-led MDR from a Huntsville-based MSSP focused on the Defense Industrial Base, maritime, public sector and other regulated buyers. MAD Security's MDR is endpoint-centered and backed by a 24/7 U.S.-based SOC, with documentation built around DFARS timelines, CMMC Level 2 expectations and NIST-aligned security operations. The trade-off is that pricing, contractual MDR SLA terms, specific endpoint actions and independent buyer-review evidence are not publicly detailed.
Mandiant
Services-firm MDR powered by 500+ Mandiant threat intelligence analysts from 30+ countries, acquired by Google Cloud for $5.4B in 2022. Works with your existing EDR (CrowdStrike, Microsoft Defender, SentinelOne) without requiring a proprietary agent. Expert-led response with single-click endpoint containment, but full incident response requires a separate retainer.
mnemonic
European services-firm MDR from mnemonic, delivered through the Argus platform and modular service plans. It fits buyers that want a Nordic provider to run Microsoft, CrowdStrike, Wiz, network and OT-oriented telemetry with threat hunting and incident response included by plan, but public pricing and contractual response-time terms are not published.
N-able
MSP-channel MDR built on the Adlumin XDR platform with built-in SIEM, SOAR, and UEBA. Sold in three tiers (Base, Standard, Advanced) through MSP partners, with a $500,000 breach warranty included. Acquired by N-able (NYSE: NABL) for $266 million in November 2024.
NCC Group
UK cybersecurity consultancy delivering MXDR through two offerings: one built on Microsoft Sentinel, the other on Splunk. Detection capability comes from Fox-IT, acquired in 2015, which ran Europe's first SOC starting in 2001 and has deep Dutch government cryptography heritage. MDR is one service line alongside pen testing and incident response, so MXDR customers get an embedded IR team.
NetWitness
Platform-native MDR for NetWitness XDR environments, with analyst support for threat hunting, incident management, administration and upgrades. Current public material includes a Lumifi partnership for IT/OT MDR.
Nomios
European MDR from Nomios, with Guardian xMDR on Cortex XDR and a custom MDR option for existing stacks. Operated from an in-house Dutch SOC with EU-hosted data.
Northwave
Benelux MDR from Northwave, delivered from its Security Operations Center in Utrecht. Northwave monitors log data, endpoint telemetry and network traffic, with detection logic informed by IR, red team, CERT and threat research teams.
NRI SecureTechnologies
Tokyo-headquartered managed security arm of Nomura Research Institute, run as a SOC-as-a-service from Japan with a North American hub in Irvine, California. NeoSOC handles 24/7 detection across hybrid cloud, endpoint and identity, with a Managed EDR Service built on CrowdStrike Falcon that won three CrowdStrike APJ Partner of the Year awards in 2020.
NTT Security Holdings
Vendor-agnostic MDR from NTT Group built on the sixth-generation SamurAI platform. Follow-the-sun SOC coverage with threat intelligence from 40% of global IP prefixes. Active response limited to endpoint isolation via customer EDR. OT/ICS monitoring available. IR is a separate retainer.
NVISO
European services-firm MDR from NVISO, a Belgian-founded security company that runs technology-agnostic managed security services from a European delivery footprint. It fits buyers that want 24/7 alert handling, proactive hunting, portal and ITSM visibility, and CSIRT backing across Microsoft, Palo Alto Cortex, SentinelOne, SIEM, cloud, network and ICS scopes, but public pricing and exact containment authority are not published.
Obrela
European services firm delivering technology-agnostic MDR through its proprietary SWORDFISH Open XDR platform. Founded in Athens in 2010 and expanded via the Encode acquisition in 2022, Obrela now operates from London with ROCs across Europe and the Middle East. Unusual among MDR providers for offering dedicated OT/ICS and maritime vessel monitoring as separate services.
Ontinue
Microsoft-exclusive MXDR service spun off from Open Systems in 2023. Uses agentic AI (ION IQ and Autonomous Investigator) to resolve 99.5% of incidents without customer involvement. 2023 Microsoft Security Services Innovator of the Year.
OpenText
Co-managed MDR from OpenText Cybersecurity, sold mostly into SMB and regulated mid-market accounts. Runs out of a 24/7 virtual SOC built on the Webroot and BrightCloud heritage, layers expert analysts and MITRE ATT&CK analytics on top of the customer's existing endpoint stack, and explicitly leaves alert response in the customer's hands while OpenText hunts and advises.
Optiv
Services-firm MDR from Optiv on Google Security Operations. Built for enterprises modernizing a multi-vendor SOC with 24/7/365 monitoring, SOAR playbooks, threat intel and 12 months of hot log storage.
Orange Cyberdefense
Technology-agnostic MDR built on Microsoft Defender XDR or Palo Alto Cortex, operated by the cybersecurity arm of French telecom giant Orange S.A. Strong in European regulated industries with ANSSI, CREST, and NATO accreditations that few competitors match. Almost no practitioner reviews exist on G2, PeerSpot, or Reddit, making independent validation difficult.
PAGO Networks
South Korea-based MDR provider offering technology-agnostic detection and response across APAC. The DeepACT platform integrates with SentinelOne, Deep Instinct, and Stellar Cyber Open XDR. PAGO operates 24/7 SOCs in Korea, Philippines, and Malaysia, with a US location planned. Analysts can isolate endpoints, kill processes, and block C2 traffic in real time. Also operates South Korea's first cyber fusion center (built on Cyware) for threat intelligence sharing, and offers purple team and breach-and-attack simulation services. Over 400 customers with a claimed 99% retention rate.
Palo Alto Networks
Platform-vendor MDR built on Cortex XDR and XSIAM with 200+ Unit 42 analysts, researchers, and engineers. Requires the Cortex platform as a prerequisite, so it is a natural fit for organizations already invested in Palo Alto firewalls, Prisma, and WildFire. MSIAM 2.0 (Feb 2026) added third-party EDR telemetry support and a 250-hour Breach Response Guarantee on the Premium tier.
Pondurance
Pure-play MDR provider that works with your existing EDR tools rather than requiring its own agent. Pondurance differentiates on a risk-based analytical approach that tailors detection to each customer's specific risk profile and industry. Recent additions include RansomSnare (ransomware-specific detection that blocks encryption at the first file) and a Microsoft 365-optimized MDR module.
Proficio
Technology-agnostic MDR built around SIEM flexibility: Proficio hosts a SIEM for you or plugs into your existing Splunk, Sentinel, or Elastic deployment. Founded in 2010, the company runs a smaller operation than most MDR competitors, which can mean more personalized service but raises questions about scale. Automated containment (Active Defense) costs extra on top of the base monitoring service.
Quorum Cyber
Microsoft-native MDR built entirely on Sentinel and Defender, delivered through three tiers: Clarity Defend (SMB), Clarity Extend (mid-market with some third-party telemetry via Sentinel connectors), and Clarity Protect (full enterprise MXDR). Founded in Edinburgh in 2016 and PE-backed by Charlesbank ($270M, 2024), Quorum Cyber won Microsoft Security MSSP of the Year 2025 and was the first UK company to earn Microsoft Verified MXDR status.
Rapid7
Platform vendor requiring Rapid7 Insight Agent on 80%+ of assets, with one key differentiator: you keep full query access to your SIEM data. Analyst pods learn your environment over time rather than treating you as a ticket queue. Active Response with Velociraptor (launched April 2025) lets analysts take direct remediation actions on your endpoints.
Recon InfoSec
Works-with-your-tools MDR and managed security operations provider from Austin that operates across customer-owned tools and Recon-managed SIEM/SOAR. Recon is strongest for teams that want direct analyst access, threat hunting and canary-based detection rather than a narrow endpoint-only MDR bundle. Pricing, contractual response SLAs and SOC staffing details are not public.
Red Canary
Pure-play MDR built to work with whatever EDR you already have, covering 9 platforms including CrowdStrike, Microsoft Defender, SentinelOne, and Carbon Black. Founded 2014 in Denver, acquired by Zscaler August 2025 for $675M. Detection-as-code methodology with MITRE ATT&CK mapping across all detections, AI Investigation Agents trained on 10+ years of data, and Slack-native SOC communication.
Sapphire
UK-owned MDR from Sapphire, delivered by a UK-based CREST-accredited SOC. Sapphire combines SIEM, EDR, threat intelligence, proactive hunting, behavioural analytics, case management and incident-response hours as standard.
SECUINFRA
Berlin-based cyber defense specialist that runs MDR and incident response from its own Cyber Defense Centers in Germany. Offers a full-service MDR, a Co-Managed variant for customers that already own SIEM and EDR, and an On-Premises tier built for German SMEs that refuse to send telemetry to US cloud providers.
Secureworks
Services firm (formerly Dell subsidiary, IPO'd 2016) acquired by Sophos in February 2025 for $859M. Open XDR MDR built on the Taegis platform with Counter Threat Unit intelligence, now part of Sophos X-Ops. Taegis continues with active investment, though long-term consolidation into Sophos Central creates uncertainty for enterprise buyers.
SecurityHQ
Technology-agnostic MDR built on IBM QRadar SIEM with a bring-your-own-EDR model. SecurityHQ operates seven global SOCs and participated in the 2024 MITRE managed services evaluation with 100% step detection and low alert noise. Guided response: their analysts investigate and recommend, your team executes containment.
SentinelOne
Platform-native MDR requiring SentinelOne Singularity. Rebranded from Vigilance MDR to Wayfinder MDR at OneCon 2025 (GA November 2025) with three tiers: Essentials, Elite (bundled IR/DFIR), and Incident Readiness & Response. 100% in-house, non-outsourced analyst team. Purple AI Athena (April 2025) adds agentic workflows for automated triage and investigation. Unique Windows Rollback capability restores endpoints to pre-attack state.
Six Degrees
UK-onshore MDR from Six Degrees, built around Microsoft Defender for Endpoint, Microsoft Sentinel, Recorded Future threat intelligence and the Six Degrees CSOC.
Smarttech247
Technology-agnostic MDR from an Irish publicly traded company (AIM-listed), built on the VisionX platform that layers onto your existing SIEM and EDR. Founded in Cork in 2008 by Ronan Murphy, now led by CEO Raluca Saceanu. Strategic SentinelOne partnership targets the European mid-market. Small company (around 160 employees), publicly traded, which gives some financial transparency but also means limited scale compared to larger MDR providers.
Socura
UK-only MDR provider with automated containment actions including file quarantine, process termination, and account suspension. Works with CrowdStrike, SentinelOne, and customer-chosen SIEM/SOAR. CREST-accredited SOC, 96% of incidents handled without customer escalation (vendor-reported), 100% contracted customer retention. Incident response not included in base service, delivered via Unit42, Mandiant, and Thomas Murray partnerships. Threat hunting included. Small team (~25-50 employees) with a remote-first UK distributed model.
SonicWall SonicSentry MDR
MSP-channel MDR from SonicWall. SonicSentry MDR for Endpoint is powered by CrowdStrike and adds 24/7 SOC monitoring, threat mitigation, proactive threat hunting and configuration audits for endpoint devices. SonicWall also sells cloud and network MDR services for MSPs.
Sophos
Endpoint vendor offering managed detection and response on its own platform, plus 350+ third-party integrations for telemetry enrichment. Sophos agent required for full MDR, though XDR Sensor allows detection-only monitoring alongside existing endpoint protection. Acquired Secureworks in February 2025 for $859M, combining 28,000+ MDR subscribers across both platforms.
Stoik
French cyber insurer (MGA) that bundles CrowdStrike Falcon EDR-based MDR with its insurance policies for European SMEs. CERT-Stoik handles incident response 24/7. Sold through 2,000+ broker partners in six EU countries, not available as a standalone MDR purchase.
Sygnia
Israeli IR-born MXDR where the same 8-person dedicated team handles both continuous monitoring and full incident response, with no handoff and no separate retainer. Founded by Unit 8200 veterans through Team8, acquired by Temasek for $250M in 2018 and now part of the ISTARI Collective. Technology-agnostic overlay that works with the customer's existing EDR.
Telefónica Tech
Telecom-backed MDR from Telefonica Group, delivered through the NextDefense brand. Runs 11 SOCs across Europe, Latin America, and North America with 24/7 coverage. Primary technology partnership is CrowdStrike (EDR and Falcon Next-Gen SIEM), with Palo Alto Cortex XDR as a certified alternative. Strongest in Spain, UK, and Latin America.
TENEX.AI
AI-native MDR provider for mid-market and enterprise buyers that want managed Google, Microsoft or AWS security operations with human analysts reviewing critical decisions. TENEX.AI sells packaged and custom MDR tiers, so buyers should validate response authority, telemetry pricing and export terms during proof of value.
Tesorion
Dutch MDR from Tesorion, delivered through its T-SOC with XDR, SOAR and threat intelligence. Tesorion monitors domains such as endpoints and identities, maps use cases to MITRE ATT&CK and defines mitigation steps for potential incidents. It fits Dutch mid-market and enterprise buyers that want local MDR with T-CERT nearby, but public pages do not name exact endpoint isolation, account disable or network blocking actions.
ThreatDown
Endpoint-only MDR by Malwarebytes with fully published pricing ($99/endpoint/year for the Elite tier that includes MDR). ThreatDown brand launched November 2023 as the dedicated business product line. Platform-native, requires ThreatDown EDR agent, and covers endpoints only, with no cloud, SaaS, identity, or network monitoring.
ThreatSpike
Platform-native MDR and managed IT provider built around ThreatSpike's own security and operations stack. It is a better fit for buyers replacing fragmented MSP, MDR and testing vendors than for teams that only want a monitoring overlay on existing tools.
Todyl
Unified SASE+MXDR+SIEM+EDR+GRC platform purpose-built for MSPs and SMBs, replacing 5+ security products with a single agent. Every MXDR customer gets a dedicated DRAM (Detection and Response Account Manager) with 5+ years of SOC experience. Elastic-based EDR with Todyl custom rules and ML layered on top.
Total Assure
SMB-focused managed security provider with a U.S.-based in-house SOC, Splunk-centered monitoring and SentinelOne-backed endpoint response. Total Assure's MDR page names concrete containment actions, including endpoint isolation, process termination and account disablement under pre-approved rules of engagement. The trade-off is that most proof points are vendor-published, with little independent MDR review signal.
Trend Micro
Platform-native MDR built on Trend Vision One, covering endpoints, email, cloud, network, and OT from a single console. Participated in MITRE ATT&CK Evaluations (2024) with 100% detection across all major attack steps. SOC analysts are pooled across customers rather than dedicated per account, and incident response is sold separately.
Truesec
Technology-agnostic MDR from a Swedish cybersecurity firm with deep incident response heritage, citing 120,000+ hours of IR experience that feeds its detection engineering. Three tiers from Core through MDR Black, where IR costs for breaches on monitored devices are covered without a separate retainer. PE-owned by IK Partners since 2021.
TrustNet GhostWatch
Compliance-led MDR and managed security from TrustNet. TrustNet publishes a dedicated MDR service, while GhostWatch provides 24/7 monitoring, SIEM, threat intelligence, vulnerability management, network and cloud security, incident response and compliance reporting.
UnderDefense
Vendor-agnostic MDR built on the MAXI platform that works on top of your existing EDR and SIEM rather than replacing them. Analysts take configurable remediation actions while data stays in your infrastructure. Founded in Ukraine (2017), now HQ'd in New York with ~128 employees. No independent detection benchmarks, but transparent pricing and full data portability on exit.
VikingCloud
PCI compliance heritage provider offering MDR through its Asgard platform. Operates multiple SOCs across the US, APAC, and Europe with approximately 1,000 cybersecurity and compliance staff (not all MDR-focused). The world's largest QSA practice (100+ Qualified Security Assessors) serving primarily retail, financial services, hospitality, and healthcare. Endpoint security is powered by Bitdefender GravityZone under VikingCloud branding. MDR response actions and approval workflows are not publicly documented.
WatchGuard
MSP-focused MDR from WatchGuard, built around Core, Total and Open MDR packages. Core and Total lean into the WatchGuard stack, while Open MDR extends coverage to Microsoft Defender, CrowdStrike, Okta, Duo and third-party firewalls for mixed customer environments.
Wirespeed
Fully automated MDR / ADR platform acquired by Coalition in November 2025 and positioned around millisecond alert verdicting, opt-in automated containment, ChatOps verification and API-based integrations with existing detection tools.
WithSecure
Finnish MDR provider focused on European data sovereignty, built on the WithSecure Elements platform. Demerged from F-Secure in 2022, with MDR operational since 2015 through the acquired MWR InfoSecurity Countercept service. Being taken private by CVC Capital Partners and founder Risto Siilasmaa, with Nasdaq Helsinki delisting expected H1 2026.
›› Popular head-to-head comparisons
CrowdStrikevsArctic WolfExpelvsRed CanaryHuntressvsBlackpoint CyberSophosvsSentinelOneRapid7vsSecureworksArctic WolfvseSentireDarktracevsExpelTrend MicrovsBitdefender MDRPalo Alto NetworksvsCrowdStrikeRed CanaryvsArctic WolfField EffectvsHuntress
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