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.

Tata Communications Cybersecurity
Best for: Mid-Market to Enterprise orgs, Telecommunications, Manufacturing
Tata Communications is a Mumbai-based global digital infrastructure company founded in 1986 delivering managed security services across its global network backb...
TechOnPurpose
Best for: SMB to Mid-Market orgs, Technology
TechOnPurpose provides managed IT and cybersecurity services to businesses in Austin, Texas, offering security monitoring and compliance support.
Telefonica Tech
Best for: Mid-Market to Enterprise orgs, Telecommunications, Government & Public Sector
Telefonica Tech is the cybersecurity and digital transformation arm of the Telefonica Group, providing managed security operations and MDR services across Europ...
Telia Cygate
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Manufacturing
Telia Cygate provides managed security operations, SOC services, and network security management as the enterprise cybersecurity arm of the Telia Company in the...
Teltec Solutions
Best for: Mid-Market to Enterprise orgs, Manufacturing, Government & Public Sector
Teltec Solutions is a Brazilian IT and cybersecurity company providing managed security services and technology solutions across southern Brazil.
Thrive
Best for: SMB to Mid-Market orgs, Legal, Manufacturing
Thrive is a managed services provider delivering cybersecurity operations, cloud services, and IT management for mid-market organizations across the US.
Todyl
Best for: Startups to Mid-Market orgs, Technology, Legal
Todyl provides an all-in-one security platform combining SIEM, endpoint protection, network security, and managed services specifically designed for small and m...
Total Assure
Best for: SMB to Mid-Market orgs, Government & Public Sector, Nonprofit
Total Assure provides managed cybersecurity services and IT consulting in the Washington D.C. area.
Triskele Labs
Best for: SMB to Mid-Market orgs, Government & Public Sector, Education
Triskele Labs is an Australian cybersecurity company providing managed SOC services, penetration testing, and compliance support, with a focus on Australian mid...
UnThreats
Best for: SMB to Mid-Market orgs, Technology, Government & Public Sector
UnThreats provides managed cybersecurity services and threat intelligence to organizations in Singapore and Southeast Asia.

US itek
Best for: SMB to Mid-Market orgs, Manufacturing
US itek provides managed IT and cybersecurity services to businesses in western New York, offering security monitoring and compliance support.
VC3
Best for: SMB to Mid-Market orgs, Government & Public Sector, Education
VC3 provides managed IT and cybersecurity services to local governments and mid-market organizations across the southeastern United States.