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.
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...
Telos
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Defense & Aerospace
Telos Corporation is an Ashburn, VA-based cybersecurity company founded in 1968, providing managed security and risk management services to US federal agencies...
Telstra Purple
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Energy & Utilities
Telstra Purple is the enterprise cybersecurity division of Telstra, delivering managed security operations, SOC services, and security consulting for Australian...
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.
Tempest Security Intelligence
Best for: Mid-Market to Enterprise orgs, Retail & E-Commerce, Government & Public Sector
Tempest Security Intelligence is Brazil's largest independent cybersecurity company, providing managed security operations, threat intelligence, and security co...
Tevora
Best for: SMB to Enterprise orgs, Defense & Aerospace, Technology
Tevora is an Irvine, CA-based cybersecurity firm founded in 2003 offering managed security, compliance, and risk services with deep expertise in financial servi...
Th4ts3cur1ty.company
Best for: SMB to Mid-Market orgs, Technology
Th4ts3cur1ty.company is a UK cybersecurity firm providing managed security operations, penetration testing, and security consulting.
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.
Trellix
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Manufacturing
Trellix delivers managed detection and response and extended detection services, built on the combined technology heritage of McAfee Enterprise and FireEye Prod...