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.

Securitas Technology

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

Securitas Technology provides managed cybersecurity services alongside physical security solutions, delivering integrated digital and physical security operatio...

Stockholm, Sweden1000+ employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Network Security MonitoringVulnerability Management
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Security Validation

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

Security Validation (SecVal) provides managed security services, compliance assessments, and penetration testing focused on helping organizations validate and s...

Oradell, NJ51-200 employees1 hour SLA
Managed Detection & Response (MDR)Penetration TestingVulnerability ManagementCompliance Management+2 more
Serves: SMB (51-200), Mid-Market (201-1000)
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SecurityHQ logo

SecurityHQ

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

SecurityHQ provides managed security services through a global network of SOCs, offering MDR, SIEM management, and incident response with a focus on the Middle...

London, UK200-500 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+4 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Silent Breach

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

Silent Breach is a cybersecurity firm offering managed security services, penetration testing, and vulnerability assessments, powered by its proprietary AI-driv...

New York, NY51-200 employees1 hour SLA
Managed Detection & Response (MDR)Penetration TestingVulnerability ManagementCloud Security+4 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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SISAP logo

SISAP

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

SISAP is Central America's leading cybersecurity company providing SOC operations, managed security services, and compliance solutions across Latin America.

Guatemala City, Guatemala51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementIncident Response+4 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Socura logo

Socura

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

Socura is a UK managed detection and response provider delivering 24/7 SOC operations, threat hunting, and incident response with a focus on rapid threat contai...

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

SolCyber

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

SolCyber provides modernized managed security services with a curated technology stack, offering accessible enterprise-grade MDR for mid-market organizations.

Dallas, TX51-200 employees15 minutes SLA
Managed Detection & Response (MDR)Endpoint ProtectionEmail SecurityNetwork Security Monitoring+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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SonicWALL

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

SonicWall delivers managed security services through its network of global partners, leveraging its deep expertise in next-generation firewalls, threat intellig...

Milpitas, CA1000+ employees30 minutes SLA
Managed Detection & Response (MDR)Firewall ManagementEndpoint ProtectionCloud Security+4 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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StartCloud

Best for: Startups to SMB orgs, Transportation & Logistics

StartCloud is a Perth-based managed security and IT services provider delivering 24/7 threat monitoring, incident response, endpoint and email security, vulnera...

Balcatta, Western Australia
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+11 more
Serves: Startups (1-50), SMB (51-200)
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Swisscom

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

Swisscom provides managed security operations, SOC services, and cybersecurity consulting as Switzerland's leading telecommunications company, with deep experti...

Bern, Switzerland1000+ employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Threat IntelligenceCloud Security+2 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Systems Engineering

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

Systems Engineering provides managed IT and cybersecurity services to businesses in Maine and New England.

Portland, ME51-200 employees30 minutes SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityVulnerability Management+2 more
Serves: SMB (51-200), Mid-Market (201-1000)
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T-Systems Security logo

T-Systems Security

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

T-Systems is Deutsche Telekom's enterprise IT division founded in 1995, providing managed security services to 3,000+ enterprise and government clients globally...

Frankfurt, Germany1000+ employees30 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementCloud Security+5 more
Serves: Enterprise (1000+)
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