MSSP Directory: Compare Managed Security Service Providers

This directory lists managed security service providers (MSSPs), the companies that run security monitoring, threat detection, and incident response for organizations without a full in-house security operations center. Filter the full list by service, industry, company size, and security platform to narrow it into a shortlist you can compare side by side.

Compare managed security service providers. Use filters to narrow your search. The directory covers providers across all major service categories (MDR, SIEM management, vulnerability scanning, incident response, and more) as well as a wide range of industries and security platforms. Use the filter sidebar to narrow results by the criteria that matter most to your organization, and combine multiple filters to zero in on the right shortlist. Each provider profile includes service details, certifications, platform expertise, and key operational facts so you can compare options without leaving the page. New to MSSPs? Read our guide on what managed security service providers do or see the best MSSP providers in 2026. To turn a long list into a focused evaluation set, use our MSSP provider shortlist guide.

Access42

Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Technology

Access42 is a Dutch managed security services provider delivering SOC operations and cybersecurity consulting in the Netherlands.

Leusden, Netherlands51-200 employees15 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementIncident Response+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Advens logo

Advens

Best for: Mid-Market to Enterprise orgs, Energy & Utilities, Government & Public Sector

Advens is one of France's leading independent cybersecurity companies, operating a sovereign SOC and providing managed detection, response, and consulting servi...

Paris, France200-500 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Threat IntelligenceIncident Response+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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AEGYS DATALYTICS

Best for: Mid-Market to Enterprise orgs, Manufacturing

AEGYS DATALYTICS is a German cybersecurity company providing managed security services, data analytics-driven threat detection, and compliance consulting for Eu...

Herrsching, Germany51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Threat IntelligenceVulnerability Management+2 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Cipher logo

Cipher

Best for: Mid-Market to Enterprise orgs, Retail & E-Commerce, Manufacturing

Cipher, a Prosegur company, provides managed security services combining physical and digital security expertise with global SOC coverage across the Americas, E...

Miami, FL500-1000 employees30 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+4 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Cybanetix logo

Cybanetix

Best for: Mid-Market to Enterprise orgs, Technology, Legal

Cybanetix is a UK-based managed security services provider delivering SOC operations, threat detection, and cybersecurity consulting to enterprises across Europ...

London, UK51-200 employees15 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Threat IntelligenceVulnerability Management+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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CyberMaxx logo

CyberMaxx

Best for: SMB to Mid-Market orgs, Manufacturing, Technology

CyberMaxx provides managed security services and incident response focused on mid-market organizations, with strength in healthcare and financial services compl...

Nashville, TN51-200 employees30 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementVulnerability ManagementIncident Response+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
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CyberOne

Best for: Mid-Market to Enterprise orgs, Technology, Legal

CyberOne is a UK-based managed security services provider delivering 24/7 SOC operations, threat detection, and cybersecurity consulting to enterprises across E...

London, UK51-200 employees15 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Threat IntelligenceVulnerability Management+4 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Cynet

Best for: SMB to Mid-Market orgs, Technology, Manufacturing

Cynet provides an autonomous breach protection platform with integrated MDR services, combining automated threat prevention with 24/7 expert monitoring through...

Boston, MA51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Endpoint ProtectionNetwork Security MonitoringIncident Response+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Darktrace logo

Darktrace

Best for: SMB to Enterprise orgs, Manufacturing, Energy & Utilities

Darktrace delivers AI-driven managed threat detection and autonomous response services, using self-learning AI to detect and respond to novel threats across dig...

Cambridge, UK1000+ employeesNot disclosed SLA
Managed Detection & Response (MDR)Network Security MonitoringCloud SecurityEmail Security+2 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Deepwatch logo

Deepwatch

Best for: SMB to Enterprise orgs, Technology, Retail & E-Commerce

Deepwatch provides managed detection and response with a cloud-native platform and assigned security experts, focusing on fast deployment and high-fidelity thre...

Tampa, FL200-500 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Defenced logo

Defenced

Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing

Defenced is a Dutch cybersecurity company providing managed detection and response, SOC services, and security consulting across the Netherlands and Europe.

Eindhoven, Netherlands51-200 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Threat IntelligenceVulnerability Management+2 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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ECS

Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace

ECS provides advanced cybersecurity and IT solutions to the U.S. federal government, specializing in cloud security, zero trust architecture, and managed securi...

Fairfax, VA1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Cloud SecurityVulnerability Management+2 more
Serves: Enterprise (1000+)
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