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.
HCLTech
Best for: Enterprise orgs, Manufacturing, Technology
HCLTech is a global technology company with a large-scale MSSP practice, offering AI-powered managed security operations from five global Cyber Defense Centers...
Hughes Network Systems
Best for: Mid-Market to Enterprise orgs, Retail & E-Commerce, Energy & Utilities
Hughes Network Systems provides managed network and cybersecurity services to distributed enterprises, leveraging its satellite and terrestrial network expertis...
Huntress
Best for: Startups to Mid-Market orgs, Legal, Education
Huntress provides managed security specifically for small and mid-size businesses and the MSPs that serve them, combining automated threat detection with human-...
Hurricane Labs
Best for: SMB to Enterprise orgs, Technology, Manufacturing
Hurricane Labs specializes in managed Splunk SIEM services, providing 24/7 SOC monitoring, Splunk administration, and threat detection for organizations that re...
IBM Security
Best for: Enterprise orgs, Retail & E-Commerce, Manufacturing
IBM Security provides enterprise-grade managed security services backed by the X-Force threat intelligence team and a global network of security operations cent...
Icon Information Systems
Best for: SMB to Enterprise orgs, Government & Public Sector
Icon Information Systems is a South African IT and cybersecurity provider delivering managed security services and compliance solutions across southern Africa.
Infosys
Best for: Enterprise orgs, Manufacturing, Retail & E-Commerce
Infosys is a global IT services leader with a comprehensive cybersecurity MSSP practice, operating Security Command Centers worldwide and serving Fortune 500 cl...
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...
Inovo InfoSec
Best for: SMB to Mid-Market orgs, Technology, Retail & E-Commerce
Inovo InfoSec provides managed cybersecurity services, penetration testing, and compliance consulting to organizations in Southern California.
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...
Intraframe US
Best for: SMB to Mid-Market orgs, Manufacturing
Intraframe US provides managed cybersecurity and IT services to businesses in Tennessee.