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...
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.

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.
DigiSOC
Best for: SMB to Enterprise orgs, Government & Public Sector, Telecommunications
DigiSOC is a Colombian cybersecurity firm providing managed SOC operations, threat monitoring, and compliance services to organizations across Latin America.
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...

EMPIST
Best for: SMB to Mid-Market orgs, Technology, Manufacturing
EMPIST is a Chicago-based managed IT and cybersecurity provider with 25 years of experience, offering comprehensive security services from managed detection and...
eSecurity Solutions
Best for: SMB to Mid-Market orgs, Technology, Retail & E-Commerce
eSecurity Solutions provides managed cybersecurity services including SIEM management, SOC operations, and compliance monitoring for organizations across the US...

esentry
Best for: SMB to Enterprise orgs, Telecommunications, Government & Public Sector
esentry is a Nigerian cybersecurity company providing managed SOC services, threat monitoring, and security consulting to organizations across West Africa.
ESET
Best for: SMB to Enterprise orgs, Education, Technology
ESET delivers managed detection and response through its ESET PROTECT platform, combining decades of endpoint security research with 24/7 threat monitoring and...
Espresso Labs
Best for: Startups to Mid-Market orgs, Manufacturing, Technology
Espresso Labs is an AI-native managed IT, cybersecurity, and compliance provider delivering 24/7 monitoring, endpoint detection and response, cloud and email se...
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...