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...
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...
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...
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...
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...
Trend Micro
Best for: SMB to Enterprise orgs, Manufacturing, Government & Public Sector
Trend Micro offers managed XDR and MDR services through its Vision One platform, providing 24/7 threat monitoring across endpoints, email, cloud, and network la...
TruAdvantage Solutions
Best for: SMB to Mid-Market orgs, Nonprofit, Technology
TruAdvantage is an award-winning managed IT and cybersecurity firm serving small and mid-sized businesses, nonprofits, and healthcare organizations across the S...
Trustwave
Best for: SMB to Enterprise orgs, Retail & E-Commerce, Manufacturing
Trustwave is a Singtel subsidiary providing managed security services, threat detection, and compliance solutions with particular strength in PCI DSS and paymen...
Unisys
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
Unisys provides managed security services including MDR, identity management, and zero trust solutions, with strong positioning in government and enterprise env...
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.
Vectra AI
Best for: Mid-Market to Enterprise orgs, Technology, Government & Public Sector
Vectra AI provides AI-driven managed extended detection and response through its Attack Signal Intelligence platform, specializing in network and identity threa...
Verizon
Best for: Mid-Market to Enterprise orgs, Retail & E-Commerce, Manufacturing
Verizon delivers managed security services leveraging its global network infrastructure, proprietary threat intelligence from the annual DBIR report, and a larg...