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.

Trellix logo

Trellix

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

Trellix delivers managed detection and response and extended detection services, built on the combined technology heritage of McAfee Enterprise and FireEye Prod...

Milpitas, CA1000+ employeesNot disclosed SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityThreat Intelligence+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Trend Micro

Best for: SMB to Enterprise orgs, Manufacturing, Government & Public Sector

Trend Micro offers managed XDR and MDR services through its Vision One platform, providing 24/7 threat monitoring across endpoints, email, cloud, and network la...

Tokyo, Japan1000+ employeesNot disclosed SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityEmail Security+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Trustwave logo

Trustwave

Best for: SMB to Enterprise orgs, Retail & E-Commerce, Manufacturing

Trustwave is a Singtel subsidiary providing managed security services, threat detection, and compliance solutions with particular strength in PCI DSS and paymen...

Chicago, IL1000+ employees30 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementVulnerability ManagementEndpoint Protection+6 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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UnderDefense

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

UnderDefense provides managed detection and response, penetration testing, and security consulting with a hands-on, client-focused approach for mid-market compa...

New York, NY200-500 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Penetration TestingIncident Response+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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US itek logo

US itek

Best for: SMB to Mid-Market orgs, Manufacturing

US itek provides managed IT and cybersecurity services to businesses in western New York, offering security monitoring and compliance support.

Buffalo, NY51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Vectra AI

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

Vectra AI provides AI-driven managed extended detection and response through its Attack Signal Intelligence platform, specializing in network and identity threa...

San Jose, CA500-1000 employeesNot disclosed SLA
Managed Detection & Response (MDR)Network Security MonitoringThreat IntelligenceCloud Security+2 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Verizon

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

Verizon delivers managed security services leveraging its global network infrastructure, proprietary threat intelligence from the annual DBIR report, and a larg...

Basking Ridge, NJ1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+5 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Vinson

Best for: SMB to Mid-Market orgs, Manufacturing

Vinson provides managed cybersecurity services and IT solutions to businesses in Ohio.

Akron, OH51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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VirtualArmour logo

VirtualArmour

Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing

VirtualArmour provides managed security services and cybersecurity consulting, specializing in firewall management, threat monitoring, and security infrastructu...

Englewood, CO51-200 employees30 minutes SLA
Firewall ManagementManaged Detection & Response (MDR)Network Security MonitoringVulnerability Management+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Vodafone Business Security

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

Vodafone Business provides managed security services, SOC operations, and threat intelligence as part of one of the world's largest telecommunications groups, s...

London, UK1000+ employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Firewall ManagementThreat Intelligence+2 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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West Computers

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

West Computers provides managed IT and cybersecurity services to businesses in Mississippi.

Laurel, MS51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Windstream Enterprise

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

Windstream Enterprise provides managed security services, including managed firewall, endpoint protection, and SIEM management, as part of its network-centric e...

Little Rock, AR1000+ employeesNot disclosed SLA
Firewall ManagementEndpoint ProtectionSIEM ManagementNetwork Security Monitoring+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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