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.
Ingalls Information Security
Best for: SMB to Enterprise orgs, Government & Public Sector, Defense & Aerospace
Ingalls Information Security provides managed detection and response and incident response services, with deep roots in military and government cybersecurity ex...

Insight Enterprises
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Technology
Insight Enterprises provides managed cybersecurity services, cloud security, and security consulting as a Fortune 500 technology solutions company.
Integrity360
Best for: Mid-Market to Enterprise orgs, Retail & E-Commerce, Government & Public Sector
Integrity360 is an Irish cybersecurity services company providing MDR, SOC services, and security consulting across Europe from its 24/7 security operations cen...
Intigriti
Best for: Mid-Market to Enterprise orgs, Technology, Retail & E-Commerce
Intigriti operates Europe's largest bug bounty and crowdsourced security testing platform, connecting organizations with ethical hackers for continuous vulnerab...
IQSEC
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Telecommunications
IQSEC is a Mexican cybersecurity company providing managed security services, digital identity, and compliance solutions across Mexico.

ISA Cybersecurity
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Technology
ISA Cybersecurity is a Canadian cybersecurity firm providing managed security services, penetration testing, and compliance consulting.

ISH Tecnologia
Best for: Mid-Market to Enterprise orgs, Energy & Utilities, Telecommunications
ISH Tecnologia is one of Brazil's leading managed security service providers, offering SOC-as-a-Service, threat intelligence, and comprehensive cybersecurity so...

IshanTech
Best for: SMB to Mid-Market orgs, Government & Public Sector, Technology
IshanTech is a Malaysian cybersecurity and IT services provider delivering managed security operations and compliance solutions across Southeast Asia.

ITELCA
Best for: SMB to Mid-Market orgs, Government & Public Sector
ITELCA SAS is a Colombian IT and cybersecurity company providing managed security services in Bogota.

Kennertech
Best for: SMB to Mid-Market orgs, Government & Public Sector
KENNERTECH is a Colombian cybersecurity company providing managed security services in Bogota and across Colombia.
KPMG Cybersecurity
Best for: Enterprise orgs, Government & Public Sector, Energy & Utilities
KPMG provides managed cyber defense, security operations, and cyber strategy advisory as one of the Big Four professional services firms, serving enterprise and...
KPN Security
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Energy & Utilities
KPN Security is the cybersecurity division of KPN, the largest telecommunications provider in the Netherlands, delivering managed SOC services, MDR, and securit...