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.
Eventus Security
Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing
Eventus Security is an Indian cybersecurity company providing managed SOC services, threat intelligence, and incident response to enterprises across India and t...
Expel
Best for: SMB to Enterprise orgs, Technology, Retail & E-Commerce
Expel provides transparent, technology-driven managed detection and response that gives customers full visibility into how security decisions are made and threa...
EY Cybersecurity
Best for: Enterprise orgs, Government & Public Sector, Manufacturing
EY (Ernst & Young) is a Big Four professional services firm with a global managed security practice, delivering threat detection, incident response, and cyber r...
Fidelis Cybersecurity
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Defense & Aerospace
Fidelis Cybersecurity provides managed detection and response and network detection capabilities through its Fidelis Elevate platform, specializing in advanced...
FIS Global
Best for: Mid-Market to Enterprise orgs, Insurance, Retail & E-Commerce
FIS Global provides managed cybersecurity services tailored to the financial services industry, leveraging its position as the world's largest fintech company t...
Foresite Cybersecurity
Best for: SMB to Mid-Market orgs, Technology, Manufacturing
Foresite is an Overland Park, KS-based MSSP and MDR provider founded in 2013, delivering 24/7 security operations, compliance management, and threat hunting for...
Fortified Health Security
Best for: SMB to Enterprise orgs, Healthcare
Fortified Health Security specializes exclusively in healthcare cybersecurity, providing managed security services, compliance support, and virtual CISO service...
Fujitsu
Best for: Enterprise orgs, Manufacturing, Government & Public Sector
Fujitsu is Japan's largest IT services provider founded in 1935, delivering managed cyber security services through global SOCs and Cyber Intelligence Centers a...
GDIT (General Dynamics IT)
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
GDIT (General Dynamics Information Technology) is a Fairfax, VA-based defense IT and cybersecurity company providing managed cyber defense to US federal agencie...
Grant Thornton Cybersecurity
Best for: Mid-Market to Enterprise orgs, Manufacturing, Technology
Grant Thornton provides managed security operations, incident response, and cybersecurity advisory as a leading mid-tier professional services firm.
Grupo Cirtec
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Manufacturing
Grupo Cirtec is a Mexican cybersecurity and IT company providing managed security services and compliance solutions across Mexico.
GuidePoint Security
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Technology
GuidePoint Security is a cybersecurity solutions and services firm founded in 2011 in Reston, VA with 1,200+ security experts, delivering managed security, prof...