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.

Palo Alto Networks Unit 42 logo

Palo Alto Networks Unit 42

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

Palo Alto Networks delivers managed extended detection and response through its Cortex XMDR service, backed by Unit 42 threat research and incident response exp...

Santa Clara, CA1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Cloud SecurityIncident ResponsePenetration Testing+4 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Paranet Solutions

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

Paranet Solutions provides managed cybersecurity and cloud services to mid-market organizations in Texas, offering SOC operations, vulnerability management, and...

Carrollton, TX51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Cloud SecurityVulnerability Management+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Presidio logo

Presidio

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

Presidio is a global digital services provider and Top 250 MSSP, delivering managed detection and response, cloud security, and comprehensive cybersecurity serv...

New York, NY1000+ employees30 minutes SLA
Managed Detection & Response (MDR)Cloud SecurityVulnerability ManagementFirewall Management+4 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Proximus

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

Proximus provides managed security services, SOC operations, and cybersecurity consulting as Belgium's largest telecommunications company, serving Belgian and E...

Brussels, Belgium1000+ employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Firewall ManagementNetwork Security Monitoring+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Securicom

Best for: SMB to Enterprise orgs, Government & Public Sector, Retail & E-Commerce

Securicom is a South African managed security services provider delivering cloud-based security, threat monitoring, and compliance solutions across Africa.

Cape Town, South Africa51-200 employees30 minutes SLA
Firewall ManagementEmail SecurityEndpoint ProtectionManaged Detection & Response (MDR)+2 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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SonicWALL

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

SonicWall delivers managed security services through its network of global partners, leveraging its deep expertise in next-generation firewalls, threat intellig...

Milpitas, CA1000+ employees30 minutes SLA
Managed Detection & Response (MDR)Firewall ManagementEndpoint ProtectionCloud Security+4 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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StartCloud

Best for: Startups to SMB orgs, Transportation & Logistics

StartCloud is a Perth-based managed security and IT services provider delivering 24/7 threat monitoring, incident response, endpoint and email security, vulnera...

Balcatta, Western Australia
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+11 more
Serves: Startups (1-50), SMB (51-200)
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Tata Communications Cybersecurity logo

Tata Communications Cybersecurity

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

Tata Communications is a Mumbai-based global digital infrastructure company founded in 1986 delivering managed security services across its global network backb...

Mumbai, India1000+ employees30 minutes SLA
Firewall ManagementCloud SecurityManaged Detection & Response (MDR)Vulnerability Management+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Telefonica Tech

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

Telefonica Tech is the cybersecurity and digital transformation arm of the Telefonica Group, providing managed security operations and MDR services across Europ...

Madrid, Spain1000+ employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Vulnerability ManagementFirewall Management+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Telia Cygate

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

Telia Cygate provides managed security operations, SOC services, and network security management as the enterprise cybersecurity arm of the Telia Company in the...

Sundbyberg, Sweden500-1000 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Firewall ManagementNetwork Security Monitoring+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Todyl logo

Todyl

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

Todyl provides an all-in-one security platform combining SIEM, endpoint protection, network security, and managed services specifically designed for small and m...

New York, NY51-200 employees30 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementEndpoint ProtectionNetwork Security Monitoring+2 more
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000)
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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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