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.
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...
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...
TrustNet
Best for: SMB to Mid-Market orgs, Retail & E-Commerce, Technology
TrustNet is an Atlanta-based MSSP founded in 2003 offering managed security, compliance assessments, and risk management services to mid-market and enterprise o...
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...
Ultraviolet Cyber
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Defense & Aerospace
Ultraviolet Cyber provides enterprise-grade managed detection and response, digital forensics, and cybersecurity consulting to government and commercial clients...
UnderDefense
Best for: SMB to Enterprise orgs, Technology, Retail & E-Commerce
UnderDefense provides managed detection and response, penetration testing, and security consulting with a hands-on, client-focused approach for mid-market compa...
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...
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...
VirtualArmour
Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing
VirtualArmour provides managed security services and cybersecurity consulting, specializing in firewall management, threat monitoring, and security infrastructu...
VSEC (The Vietnamese Security Network)
Best for: Mid-Market to Enterprise orgs, Telecommunications, Government & Public Sector
VSEC is Vietnam's leading cybersecurity company providing managed SOC services, penetration testing, and security consulting across Southeast Asia.
Wipro Cybersecurity
Best for: Enterprise orgs, Manufacturing, Energy & Utilities
Wipro is a global technology leader with a large-scale MSSP practice, operating 14 Security Operations Centers across North America, Europe, and Asia-Pacific an...