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.
Dataprise
Best for: SMB to Mid-Market orgs, Government & Public Sector, Legal
Dataprise provides managed cybersecurity, IT services, and cloud solutions for mid-market organizations, delivering SOC operations, endpoint protection, and com...
DataSure24
Best for: SMB to Mid-Market orgs, Legal
DataSure24 provides managed cybersecurity and data protection services to businesses in western New York.
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...
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.
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...
DOT Security
Best for: SMB to Mid-Market orgs, Manufacturing, Legal
DOT Security is the cybersecurity division of IT managed services provider USM, delivering dedicated managed security operations, MDR, and compliance services t...
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...
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.
Exchange Technology Services
Best for: SMB to Mid-Market orgs, Manufacturing, Education
Exchange Technology Services provides managed IT and cybersecurity services to businesses across Manitoba, Canada, offering security monitoring and compliance s...
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...
Eye Security
Best for: SMB to Mid-Market orgs, Manufacturing, Retail & E-Commerce
Eye Security is a Dutch managed cybersecurity provider delivering endpoint protection, MDR, and cyber insurance integration for mid-market organizations across...
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...