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.

Featured
CrowdStrike logo

CrowdStrike

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

CrowdStrike provides fully managed endpoint protection and detection services built on the Falcon platform, offering turnkey MDR with their own security experts...

Austin, TX1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityIncident Response+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Featured
eSentire logo

eSentire

Best for: Mid-Market to Enterprise orgs, Legal, Insurance

eSentire is a global MDR leader founded in 2001, protecting 2,000+ organizations across 80+ countries with 24/7 threat detection, containment, and response.

Cambridge, Ontario, Canada500-1000 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Endpoint Detection & Response (EDR)Cloud Security+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Sophos

Verified

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

Sophos MDR delivers managed detection and response built on the Sophos security ecosystem, offering both Sophos-native and multi-vendor environment support for...

Abingdon, UK1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityIncident Response+8 more
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Accenture Security logo

Accenture Security

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

Accenture Security provides managed security services as part of its global consulting and technology practice, serving large enterprises with complex, multi-na...

Dublin, Ireland1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+6 more
Serves: Enterprise (1000+)
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Access42

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

Access42 is a Dutch managed security services provider delivering SOC operations and cybersecurity consulting in the Netherlands.

Leusden, Netherlands51-200 employees15 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementIncident Response+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Advens logo

Advens

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

Advens is one of France's leading independent cybersecurity companies, operating a sovereign SOC and providing managed detection, response, and consulting servi...

Paris, France200-500 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Threat IntelligenceIncident Response+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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AEGYS DATALYTICS

Best for: Mid-Market to Enterprise orgs, Manufacturing

AEGYS DATALYTICS is a German cybersecurity company providing managed security services, data analytics-driven threat detection, and compliance consulting for Eu...

Herrsching, Germany51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Threat IntelligenceVulnerability Management+2 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Alert Logic

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

Alert Logic, now part of Fortra, provides managed detection and response with an integrated technology platform that combines SIEM, IDS, vulnerability scanning,...

Houston, TX500-1000 employees15 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementVulnerability ManagementCloud Security+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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apecore

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

apecore is a Belgian cybersecurity company providing managed security services and compliance consulting across Belgium and Europe.

Mechelen, Belgium51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementCompliance Management+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Arctiq logo

Arctiq

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

Arctiq provides managed security and IT infrastructure services specializing in identity security, cloud security, and zero trust implementations for enterprise...

Irvine, CA51-200 employees1 hour SLA
Identity & Access Management (IAM)Cloud SecurityManaged Detection & Response (MDR)
Serves: Mid-Market (201-1000), Enterprise (1000+)
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AT&T Cybersecurity logo

AT&T Cybersecurity

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

AT&T Cybersecurity, building on the AlienVault acquisition, delivers managed threat detection and response services powered by the USM Anywhere platform and AT&...

San Antonio, TX1000+ employees30 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementVulnerability ManagementEndpoint Protection+5 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Atos Cybersecurity logo

Atos Cybersecurity

Best for: Enterprise orgs, Government & Public Sector, Defense & Aerospace

Atos is a European IT services leader and one of the largest global MSSPs, operating 17 Security Operations Centers and serving 2,000+ enterprise clients with 2...

Bezons, France1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Threat IntelligenceIncident Response+4 more
Serves: Enterprise (1000+)
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