Browse MSSP Providers
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 top MSSPs in 2026.
Kyndryl
Best for: Enterprise orgs, Government & Public Sector, Manufacturing
Kyndryl is the world's largest IT infrastructure services company, spun off from IBM in 2021, operating a global cybersecurity practice with 4,000+ security pra...
LAC
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Manufacturing
LAC is one of Japan's oldest and most established cybersecurity companies, providing managed security monitoring, incident response, and security consulting thr...
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...
Leidos Cybersecurity
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
Leidos is a Reston, VA-based defense and technology company with a major cybersecurity practice, delivering managed security and continuous monitoring for US fe...
Logicalis
Best for: Mid-Market to Enterprise orgs, Manufacturing, Government & Public Sector
Logicalis provides managed cybersecurity services, SOC operations, and security consulting as a global IT solutions and managed services provider operating acro...
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...
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.
ManTech
Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace
ManTech International is a Herndon, VA-based technology and cybersecurity services company founded in 1968, delivering managed cyber defense, threat intelligenc...
Microland
Best for: Mid-Market to Enterprise orgs, Manufacturing, Technology
Microland delivers managed security operations and cybersecurity services as an Indian IT infrastructure managed services provider, focused on enterprise digita...
Mnemonic
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Energy & Utilities
Mnemonic is a Norwegian cybersecurity services company providing managed detection and response, threat intelligence, and security consulting, with strong posit...
NCC Group
Best for: Mid-Market to Enterprise orgs, Technology, Government & Public Sector
NCC Group delivers MDR, threat intelligence, and security consulting from its global SOC network, with deep expertise in assurance and technical security testin...