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.

Blueshift Cybersecurity

Best for: SMB to Enterprise orgs, Government & Public Sector, Education

Blueshift Cybersecurity delivers AI-powered XDR-as-a-service with a 24/7 US-based SOC, managed SIEM, and network detection and response tailored for SMB and ent...

US51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Extended Detection & Response (XDR)SIEM Management+6 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Blumira logo

Blumira

Best for: Startups to Mid-Market orgs, Technology, Education

Blumira provides automated threat detection and response designed for small and mid-size organizations that lack dedicated security teams, with a focus on simpl...

Ann Arbor, MI51-200 employees1 hour SLA
SIEM ManagementManaged Detection & Response (MDR)Cloud SecurityCompliance Management+2 more
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000)
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BT Security logo

BT Security

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

BT Security is the cybersecurity division of British Telecom, one of the world's largest telecom operators, delivering managed security services to 6,400+ enter...

London, UK1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementNetwork Security Monitoring+5 more
Serves: Enterprise (1000+)
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Capgemini Cybersecurity logo

Capgemini Cybersecurity

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

Capgemini is a French global IT leader with a mature MSSP practice, operating Cyber Defense Centers across Europe, North America, and India and serving 2,000+ e...

Paris, France1000+ employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)SIEM ManagementThreat Intelligence+4 more
Serves: 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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CTS logo

CTS

Best for: SMB to Mid-Market orgs, Education, Nonprofit

CTS (Charter Technology Solutions) is a managed IT and cybersecurity services provider specializing in K-12 education, nonprofits, and mission-based organizatio...

Brooklyn, NY51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementEndpoint Protection+4 more
Serves: SMB (51-200), Mid-Market (201-1000)
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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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Cyberdome

Best for: SMB orgs, Healthcare

Cyberdome is an integrated security services provider delivering cybersecurity, access control, and managed IT solutions for healthcare organizations and small...

Clarksville, IN1-50 employees
Security Awareness TrainingNetwork Security MonitoringSIEM Management
Serves: SMB (51-200)
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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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CyberProof logo

CyberProof

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

CyberProof, a UST company, is a global MDR provider founded in 2018 with co-managed SOC services built on the proprietary SeeMo AI platform, serving enterprise...

Aliso Viejo, CA500-1000 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementCloud Security+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Cybriant logo

Cybriant

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

Cybriant provides managed cybersecurity services including MDR, managed SIEM, and vulnerability management for mid-market organizations across the United States...

Alpharetta, GA51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)SIEM ManagementVulnerability ManagementSecurity Awareness Training+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Cyderes logo

Cyderes

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

Cyderes is a global MSSP formed from the 2022 merger of Herjavec Group and Fishtech, offering MDR, managed security, identity, and professional services with ne...

Kansas City, MO500-1000 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementIdentity & Access Management (IAM)+5 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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