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.
Barracuda Networks
Best for: Startups to Mid-Market orgs, Education, Government & Public Sector
Barracuda Networks delivers managed XDR, email security, and network protection services, with a strong focus on enabling MSPs and MSSPs through its partner-cen...
Bitdefender
Best for: SMB to Enterprise orgs, Technology, Education
Bitdefender provides MDR through its GravityZone platform, offering 24/7 security monitoring, threat hunting, and incident response for organizations of all siz...
Blueshift Cybersecurity
Best for: SMB to Enterprise orgs, Government & Public Sector, Education
Blueshift Cybersecurity delivers AI-powered XDR-as-a-service with a 24/7 US-based SOC, managed SIEM, and network detection and response tailored for SMB and ent...
Blumira
Best for: Startups to Mid-Market orgs, Technology, Education
Blumira provides automated threat detection and response designed for small and mid-size organizations that lack dedicated security teams, with a focus on simpl...
Byte Tek Solutions
Best for: SMB to Mid-Market orgs, Manufacturing
Byte Tek Solutions provides managed IT and cybersecurity services to businesses in Tennessee.
CETech
Best for: SMB to Mid-Market orgs, Manufacturing, Education
CETech delivers managed IT and cybersecurity services to businesses in upstate New York, offering threat monitoring, compliance support, and cloud security.
Cetrom
Best for: SMB to Mid-Market orgs, Legal
Cetrom provides managed cloud hosting and cybersecurity services to accounting firms and professional services organizations, with specialized compliance suppor...
Claranet Cyber Security
Best for: SMB to Enterprise orgs, Retail & E-Commerce, Technology
Claranet Cyber Security provides managed security monitoring, penetration testing, and compliance services as part of the European managed services provider Cla...
Clearwater
Best for: SMB to Enterprise orgs, Healthcare
Clearwater provides cybersecurity risk management and compliance solutions focused on the healthcare industry, with managed services for risk analysis, complian...
CoreTek
Best for: SMB to Mid-Market orgs, Manufacturing, Education
CoreTek provides managed IT and cybersecurity services to mid-market organizations in Michigan, specializing in cloud security, Microsoft solutions, and complia...
Corsica Technologies
Best for: Startups to Mid-Market orgs, Manufacturing, Legal
Corsica Technologies provides managed security services as part of a full-service IT managed services practice, serving small and mid-size businesses primarily...
Critical Start
Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing
Critical Start is a Plano, TX-based MDR provider founded in 2012, known for their Cyber Operations Risk and Response (CORR) platform and transparent alert-resol...