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.

IBM Security logo

IBM Security

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

IBM Security provides enterprise-grade managed security services backed by the X-Force threat intelligence team and a global network of security operations cent...

Armonk, NY1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+8 more
Serves: Enterprise (1000+)
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Insight Enterprises logo

Insight Enterprises

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

Insight Enterprises provides managed cybersecurity services, cloud security, and security consulting as a Fortune 500 technology solutions company.

Tempe, AZ1000+ employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Endpoint ProtectionCloud SecurityIdentity & Access Management (IAM)+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Integrity360 logo

Integrity360

Best for: Mid-Market to Enterprise orgs, Retail & E-Commerce, Government & Public Sector

Integrity360 is an Irish cybersecurity services company providing MDR, SOC services, and security consulting across Europe from its 24/7 security operations cen...

Dublin, Ireland200-500 employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementFirewall Management+4 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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ITC Secure

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

ITC Secure is a UK-based managed cybersecurity services provider delivering SOC operations, managed SIEM, and security consulting for mid-market and enterprise...

London, UK51-200 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)SIEM ManagementManaged Detection & Response (MDR)Threat Intelligence+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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LevelBlue logo

LevelBlue

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

LevelBlue is a 2024 independent cybersecurity company formed from AT&T Cybersecurity's managed security business, with 2,500+ employees and one of the world's l...

Dallas, TX1000+ employees15 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementVulnerability ManagementCloud Security+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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LMNTRIX logo

LMNTRIX

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

LMNTRIX is a global managed detection and response provider delivering an integrated MXDR platform with 13 security modules, 24/7 SOC coverage, unlimited DFIR,...

New York, NY200-500 employees30 minutes SLA
Managed Detection & Response (MDR)Extended Detection & Response (XDR)Security Operations Center as a Service (SOCaaS)Endpoint Detection & Response (EDR)+5 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Logicalis logo

Logicalis

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

Logicalis provides managed cybersecurity services, SOC operations, and security consulting as a global IT solutions and managed services provider operating acro...

Slough, UK1000+ employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Firewall ManagementCloud Security+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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LTIMindtree

Best for: Enterprise orgs, Manufacturing, Technology

LTIMindtree provides managed security operations, SOC services, and cybersecurity consulting as a major Indian IT services firm formed from the merger of L&T In...

Mumbai, India1000+ employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Identity & Access Management (IAM)Cloud Security+2 more
Serves: Enterprise (1000+)
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NetGain Technologies

Best for: SMB to Mid-Market orgs, Manufacturing

NetGain Technologies provides managed IT and cybersecurity services to businesses across Kentucky and the Midwest.

Lexington, KY51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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NetSPI logo

NetSPI

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

NetSPI provides managed penetration testing, attack surface management, and breach and attack simulation as a service, combining offensive security expertise wi...

Minneapolis, MN200-500 employeesNot disclosed SLA
Penetration TestingVulnerability ManagementCloud Security
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Nexon Asia Pacific

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

Nexon Asia Pacific is an Australian managed IT and cybersecurity services provider delivering SOC operations, endpoint protection, and cloud security for mid-ma...

Sydney, Australia200-500 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Endpoint ProtectionCloud SecurityVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Node4 logo

Node4

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

Node4 is a UK-based managed services provider delivering cybersecurity operations, cloud services, and IT infrastructure management for mid-market organizations...

Derby, UK500-1000 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Endpoint ProtectionVulnerability ManagementCloud Security+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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