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
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...
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...

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...
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...
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.
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...
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...

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...
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...
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...
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...
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...