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.

Cognizant Cybersecurity logo

Cognizant Cybersecurity

Best for: Enterprise orgs, Manufacturing, Technology

Cognizant is a Nasdaq-listed global IT services company founded in 1994 with a dedicated cybersecurity practice, delivering managed security, identity managemen...

Teaneck, NJ1000+ employees30 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Identity & Access Management (IAM)Cloud Security+2 more
Serves: Enterprise (1000+)
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Colt Technology Services

Best for: Mid-Market to Enterprise orgs, Media & Entertainment, Technology

Colt Technology Services provides managed security services including managed firewall, DDoS protection, and SOC operations as part of its European enterprise c...

London, UK1000+ employeesNot disclosed SLA
Firewall ManagementNetwork Security MonitoringManaged Detection & Response (MDR)Cloud Security
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Converge Technology Solutions

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

Converge Technology Solutions provides managed cybersecurity services, cloud solutions, and IT infrastructure management as a Canadian publicly traded technolog...

Toronto, ON, Canada1000+ employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementCloud Security+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Critical Start logo

Critical Start

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

Critical Start is a Plano, TX-based MDR provider founded in 2012, known for their Cyber Operations Risk and Response (CORR) platform and transparent alert-resol...

Plano, TX200-500 employees15 minutes SLA
Managed Detection & Response (MDR)Endpoint Detection & Response (EDR)Threat IntelligenceIncident Response+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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CrossCipher Technologies

Best for: SMB to Mid-Market orgs, Technology

CrossCipher Technologies is an Indian cybersecurity company providing managed security services from Thrissur, Kerala.

Thrissur, India51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementPenetration Testing+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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CrowdStrike logo

CrowdStrike

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

CrowdStrike provides fully managed endpoint protection and detection services built on the Falcon platform, offering turnkey MDR with their own security experts...

Austin, TX1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityIncident Response+3 more
Serves: SMB (51-200), 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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Cyber Advisors

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

Cyber Advisors is a security-led managed services provider offering 24/7 managed detection and response, penetration testing, and compliance auditing for busine...

Maple Grove, MN51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Penetration TestingCompliance ManagementEndpoint Protection+2 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Cyber Sainik

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

Cyber Sainik provides managed security services and SOC operations targeting mid-market organizations, offering threat monitoring, incident response, and compli...

US51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Incident ResponseCompliance Management
Serves: SMB (51-200), Mid-Market (201-1000)
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Cyber Security Shield logo

Cyber Security Shield

Best for: SMB to Mid-Market orgs, Technology

Cyber Security Shield provides managed cybersecurity services to businesses in Southern California.

San Pedro, CA51-200 employees30 minutes SLA
Managed Detection & Response (MDR)Vulnerability ManagementEndpoint ProtectionCompliance Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Cyber Security Solutions logo

Cyber Security Solutions

Best for: SMB to Mid-Market orgs, Technology

Cyber Security Solutions provides managed cybersecurity services to businesses in the Tampa Bay area of Florida.

Tampa, FL51-200 employees30 minutes SLA
Managed Detection & Response (MDR)Vulnerability ManagementEndpoint ProtectionCompliance Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Cybereason logo

Cybereason

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

Cybereason offers MDR powered by its proprietary MalOp detection engine, providing operation-centric security that correlates threat activity across entire atta...

Boston, MA500-1000 employeesNot disclosed SLA
Managed Detection & Response (MDR)Endpoint ProtectionThreat IntelligenceIncident Response
Serves: Mid-Market (201-1000), Enterprise (1000+)
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