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Managed Security Service Providers

Explore the top managed security service providers on FirmsDirectory, featuring cybersecurity companies delivering outsourced security monitoring, threat detection, and ongoing protection services. Discover providers offering managed firewalls, security event monitoring, managed detection and response, vulnerability management, incident response support, and security operations services. FirmsDirectory helps businesses discover and compare managed security service providers based on their managed security offerings, technologies, company profiles, and popularity, making it easier to find outsourced cybersecurity partners.

AT&T Business offers cybersecurity services for organizations, including consulting and managed security solutions. Its current portfolio describes secure access service edge offerings…

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Blackpoint Cyber provides managed detection and response services designed for managed service providers. Its official materials describe a security operations service that…

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BT offers security services to business and public-sector customers through its enterprise and global services operations. Its published security portfolio includes managed…

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eSentire provides managed detection and response services through its Atlas security operations platform. The company describes continuous monitoring and threat hunting across…

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Expel is a managed detection and response provider that monitors, investigates and helps remediate threats across customers’ existing security tools. The company…

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Huntress offers a managed security platform supported by a security operations center. Its published materials describe threat detection and response for endpoints…

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Kyndryl provides cybersecurity and cyber resilience services as part of its enterprise technology services portfolio. Its published materials describe support across areas…

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MSSP Alert is an industry publication focused on managed security service providers and the wider cybersecurity channel. Its website publishes news, analysis,…

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NTT DATA presents cybersecurity as a lifecycle service spanning advisory, transformation and managed operations. Its published portfolio describes support for organizations assessing…

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Orange Cyberdefense is the Orange Group’s specialist cybersecurity business, providing consulting, technology, and security services to organizations. Its offerings include managed detection…

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Presidio provides cybersecurity consulting, integration and managed services for organizations. Its published portfolio covers areas such as security strategy and risk assessment,…

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Red Canary provides managed detection and response services intended to help security teams identify and respond to threats across endpoint, identity, cloud…

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ReliaQuest develops GreyMatter, a security operations platform designed to connect data and workflows across an organization’s existing security tools. The company describes…

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Tata Communications offers cybersecurity services that include managed security operations and response capabilities. Its Cyber Security Response Centres are described as providing…

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Verizon Business provides security products and professional services for business and public-sector customers. Its published portfolio includes security consulting, managed detection and…

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