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.

CyFlare

Best for: Startups to Mid-Market orgs, Government & Public Sector, Manufacturing

CyFlare delivers SOC-as-a-Service and managed detection and response for SMB and mid-market organizations, providing 24/7 security operations through its propri...

St. Petersburg, FL51-200 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)SIEM ManagementVulnerability Management+1 more
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000)
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CYREBRO

Best for: Startups to Enterprise orgs, Technology, Manufacturing

CYREBRO is an AI-native managed detection and response provider delivering 24/7 SOC-as-a-Service via a cloud-based platform with proprietary detection algorithm...

New York, NY51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Threat IntelligenceIncident Response+2 more
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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DataEndure logo

DataEndure

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

DataEndure provides managed security and IT infrastructure services with four decades of technology operations experience, serving mid-market organizations that...

San Jose, CA51-200 employees30 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementVulnerability ManagementCloud Security+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
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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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DirectDefense

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

DirectDefense provides managed detection and response, penetration testing, and security operations services, combining offensive security expertise with 24/7 m...

Denver, CO51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Penetration TestingSIEM ManagementVulnerability Management+2 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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DXC Technology logo

DXC Technology

Best for: Enterprise orgs, Government & Public Sector, Manufacturing

DXC Technology is a Fortune 500 global IT services provider with a comprehensive MSSP practice, named a Leader in IDC MarketScape for MSSPs and Everest Group PE...

Ashburn, VA1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+6 more
Serves: Enterprise (1000+)
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e2e-assure

Best for: Mid-Market to Enterprise orgs, Legal, Energy & Utilities

e2e-assure is a UK-based managed SOC and MDR provider delivering threat detection and response services with a focus on reducing alert noise through human-led t...

Oxfordshire, UK51-200 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)SIEM ManagementThreat Intelligence+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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eSecurity Solutions

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

eSecurity Solutions provides managed cybersecurity services including SIEM management, SOC operations, and compliance monitoring for organizations across the US...

Irvine, CA51-200 employees15 minutes SLA
Security Operations Center as a Service (SOCaaS)SIEM ManagementManaged Detection & Response (MDR)Vulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Foresite Cybersecurity logo

Foresite Cybersecurity

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

Foresite is an Overland Park, KS-based MSSP and MDR provider founded in 2013, delivering 24/7 security operations, compliance management, and threat hunting for...

Overland Park, KS51-200 employees30 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementThreat Intelligence+4 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Grupo Microsistemas Colombia

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

Grupo Microsistemas (GMS) is a Colombian cybersecurity company providing managed security services, SOC operations, and compliance solutions to enterprises acro...

Bogota D.C., Colombia51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)SIEM ManagementVulnerability Management+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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GuidePoint Security logo

GuidePoint Security

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

GuidePoint Security is a cybersecurity solutions and services firm founded in 2011 in Reston, VA with 1,200+ security experts, delivering managed security, prof...

Reston, VA1000+ employees30 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementThreat IntelligencePenetration Testing+4 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Hurricane Labs logo

Hurricane Labs

Best for: SMB to Enterprise orgs, Technology, Manufacturing

Hurricane Labs specializes in managed Splunk SIEM services, providing 24/7 SOC monitoring, Splunk administration, and threat detection for organizations that re...

Cleveland, OH51-200 employeesNot disclosed SLA
SIEM ManagementSecurity Operations Center as a Service (SOCaaS)Threat IntelligenceIncident Response
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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