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.
Deepwatch
Best for: SMB to Enterprise orgs, Technology, Retail & E-Commerce
Deepwatch provides managed detection and response with a cloud-native platform and assigned security experts, focusing on fast deployment and high-fidelity thre...
Defenced
Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing
Defenced is a Dutch cybersecurity company providing managed detection and response, SOC services, and security consulting across the Netherlands and Europe.
Defensible Technology
Best for: SMB to Mid-Market orgs, Technology, Legal
Defensible Technology provides managed cybersecurity services and security consulting to organizations in New York City.
Deloitte Cyber
Best for: Enterprise orgs, Government & Public Sector, Manufacturing
Deloitte is a Big Four professional services firm with one of the world's largest cybersecurity practices, delivering managed security, incident response, and c...
DeltaSpike
Best for: SMB to Mid-Market orgs, Technology, Government & Public Sector
DeltaSpike provides managed cybersecurity services and compliance solutions to organizations in Singapore and Southeast Asia.
DirectDefense
Best for: SMB to Enterprise orgs, Retail & E-Commerce, Technology
DirectDefense provides managed detection and response, penetration testing, and security operations services, combining offensive security expertise with 24/7 m...
DXC Technology
Best for: Enterprise orgs, Government & Public Sector, Manufacturing
DXC Technology is a Fortune 500 global IT services provider with a comprehensive MSSP practice, named a Leader in IDC MarketScape for MSSPs and Everest Group PE...
eCloudvalley Digital Technology
Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing
eCloudvalley is a leading AWS Premier Partner in Asia-Pacific providing managed cloud security, compliance, and cloud operations across the region.
ECS
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
ECS provides advanced cybersecurity and IT solutions to the U.S. federal government, specializing in cloud security, zero trust architecture, and managed securi...
enhanced.io
Best for: Mid-Market to Enterprise orgs, Technology, Legal
enhanced.io is a Scottish cybersecurity firm providing managed detection and response, security operations, and consulting services to enterprises across the UK...
Ensign InfoSecurity
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Telecommunications
Ensign InfoSecurity is Southeast Asia's largest pure-play cybersecurity firm, providing managed SOC services, MDR, and threat intelligence from operations cente...
eSentire
Best for: Mid-Market to Enterprise orgs, Legal, Insurance
eSentire is a global MDR leader founded in 2001, protecting 2,000+ organizations across 80+ countries with 24/7 threat detection, containment, and response.