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.

Lumifi Cyber

Best for: SMB to Enterprise orgs, Manufacturing, Energy & Utilities

Lumifi Cyber is a Scottsdale-based MDR and MSSP provider with a SOC 2 Type II certified US-based SOC staffed by ex-military and DoD experts, offering the propri...

Scottsdale, AZ200-500 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Endpoint Detection & Response (EDR)SIEM Management+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
View provider
M.A. Polce logo

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.

Rome, NY51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityVulnerability Management+2 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider

Magen.AI

Best for: Mid-Market to Enterprise orgs, Technology, Government & Public Sector

Magen.AI is an Israeli cybersecurity firm providing AI-driven managed security services, data protection, and cloud security solutions for enterprises globally.

Tel Aviv, Israel51-200 employees30 minutes SLA
Managed Detection & Response (MDR)Cloud SecurityThreat IntelligenceVulnerability Management+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
View provider
Malwarebytes logo

Malwarebytes

Best for: Startups to Mid-Market orgs, Education, Technology

Malwarebytes provides managed detection and response through its ThreatDown platform, offering endpoint protection and MDR services accessible to organizations...

Santa Clara, CA500-1000 employeesNot disclosed SLA
Managed Detection & Response (MDR)Endpoint ProtectionVulnerability ManagementIncident Response
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000)
View provider
Mandiant (Google Cloud) logo

Mandiant (Google Cloud)

Best for: Enterprise orgs, Government & Public Sector, Technology

Mandiant, now part of Google Cloud, delivers elite MDR and incident response services backed by 500+ threat intelligence analysts from 30+ countries with decade...

Reston, VA1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Incident ResponseThreat Intelligence
Serves: Enterprise (1000+)
View provider
MIS Solutions logo

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.

Suwanee, GA51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Endpoint ProtectionNetwork Security MonitoringCompliance Management+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider
NaviSec logo

NaviSec

Best for: SMB to Mid-Market orgs, Technology

NaviSec provides managed cybersecurity services including SOC operations, threat detection, and compliance management for SMBs and mid-market organizations.

Tampa, FL51-200 employees15 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementCompliance Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider
NetCov logo

NetCov

Best for: SMB to Mid-Market orgs, Legal, Manufacturing

NetCov provides managed cybersecurity services to businesses in the New England area, offering threat monitoring, vulnerability management, and compliance suppo...

Danvers, MA51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionVulnerability ManagementNetwork Security Monitoring+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider

NetGain Technologies

Best for: SMB to Mid-Market orgs, Manufacturing

NetGain Technologies provides managed IT and cybersecurity services to businesses across Kentucky and the Midwest.

Lexington, KY51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider

Netpluz Asia

Best for: SMB to Mid-Market orgs, Technology

Netpluz Asia provides managed cybersecurity and network services across Singapore and Southeast Asia.

Singapore, Singapore51-200 employees30 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Network Security MonitoringCloud Security+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider

Netsecurity

Best for: SMB to Mid-Market orgs, Government & Public Sector, Energy & Utilities

Netsecurity is a Norwegian managed cybersecurity provider delivering SOC services, MDR, and IT security consulting for organizations in the Nordic region.

Oslo, Norway51-200 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementIncident Response
Serves: SMB (51-200), Mid-Market (201-1000)
View provider
NetSPI logo

NetSPI

Best for: Mid-Market to Enterprise orgs, Technology, Retail & E-Commerce

NetSPI provides managed penetration testing, attack surface management, and breach and attack simulation as a service, combining offensive security expertise wi...

Minneapolis, MN200-500 employeesNot disclosed SLA
Penetration TestingVulnerability ManagementCloud Security
Serves: Mid-Market (201-1000), Enterprise (1000+)
View provider