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.
Kirkham IronTech
Best for: SMB to Mid-Market orgs, Manufacturing
Kirkham IronTech provides managed IT and cybersecurity services to businesses in Arkansas, offering comprehensive security monitoring and compliance support.
Kivu Consulting
Best for: SMB to Enterprise orgs, Legal, Retail & E-Commerce
Kivu Consulting provides managed detection and response, digital forensics, and incident response services, with deep expertise in ransomware remediation and br...
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...
Kroll
Best for: Mid-Market to Enterprise orgs, Legal, Technology
Kroll provides MDR, incident response, and cyber risk management services, leveraging decades of investigative and risk consulting expertise.
Legato Security
Best for: SMB to Enterprise orgs, Government & Public Sector, Manufacturing
Legato Security provides managed detection and response, SOC-as-a-Service, and compliance-focused security operations for mid-market and enterprise organization...
Logpoint
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Energy & Utilities
Logpoint provides SIEM, SOAR, and managed security services through its converged security operations platform, serving mid-market and enterprise organizations...
LSCV Systems
Best for: SMB to Mid-Market orgs, Government & Public Sector, Telecommunications
LSCV Systems is a Peruvian cybersecurity company providing managed security services and compliance solutions to organizations in Peru and Latin America.
LTIMindtree
Best for: Enterprise orgs, Manufacturing, Technology
LTIMindtree provides managed security operations, SOC services, and cybersecurity consulting as a major Indian IT services firm formed from the merger of L&T In...

Lumen Technologies Security
Best for: Mid-Market to Enterprise orgs, Telecommunications, Government & Public Sector
Lumen Technologies is a Fortune 500 global network and cloud provider operating a 24/7 MSSP practice backed by Black Lotus Labs threat intelligence and 4 Asia-P...
M.A. Polce
Best for: SMB to Mid-Market orgs, Education, Manufacturing
M.A. Polce provides managed IT and cybersecurity services to organizations in upstate New York, offering security monitoring, compliance, and cloud services.

MAD Security
Best for: SMB to Mid-Market orgs, Defense & Aerospace, Government & Public Sector
MAD Security provides managed cybersecurity services to defense contractors and government organizations, specializing in CMMC compliance and threat monitoring.
MIS Solutions
Best for: SMB to Mid-Market orgs, Manufacturing
MIS Solutions is a family-owned managed IT and cybersecurity provider serving small and mid-sized businesses in the greater Atlanta area for over three decades.