Managed detection and response combines continuous security monitoring with expert investigation, threat hunting, and hands-on response when suspicious activity is detected. The companies below cover different approaches, from dedicated MDR and SOC providers to cybersecurity teams that combine detection services with broader engineering and managed security work. The selection focuses on current, verifiable service capabilities rather than treating the numerical order as a ranking.
Gilzor works primarily as a software product engineering and production support company, with services covering application development, QA, DevOps, cloud infrastructure, production readiness, and security-related engineering. Its production-readiness work includes security assessment alongside architecture, reliability, and scalability reviews. Publicly available service information does not currently describe a standalone 24/7 MDR service or dedicated SOC comparable with specialist MDR vendors, so companies requiring continuous security monitoring should clarify the exact operating model and response coverage before engagement.
CrowdStrike provides Falcon Complete, a 24/7 managed detection and response service built around the Falcon security platform. The service combines automated investigation with human security analysts who detect, investigate, contain, and remediate threats. Coverage is designed for attacks crossing endpoints, identity systems, cloud resources, and other parts of an organization's environment. This makes Falcon Complete relevant for enterprises that want MDR closely integrated with a broad endpoint and XDR security platform rather than operating a separate collection of monitoring tools.
A-listware combines cybersecurity work with software engineering and infrastructure support. Its managed security offering covers continuous monitoring, threat detection, incident management, SIEM-related work, cloud application protection, penetration testing, infrastructure audits, and compliance assessments. The company also describes fully managed detection and response as part of its cybersecurity work. This structure can be useful when security findings require changes to applications, infrastructure, or DevOps processes rather than ending with an alert or assessment report.
Arctic Wolf's Aurora Managed Detection and Response service provides continuous monitoring across networks, endpoints, cloud services, and other security data sources. Its model combines automated analysis with an operations team that investigates suspicious activity and supports containment and remediation. Arctic Wolf also integrates contextual data such as threat intelligence, vulnerabilities, and account-takeover indicators into its investigations. The service is a practical option for organizations that want an externally operated security function with ongoing guidance rather than purchasing an MDR platform for an internal SOC to run alone.
Sophos MDR combines 24/7 monitoring with investigation, threat hunting, incident response, and containment. An important part of its model is support for both Sophos technology and a broad selection of third-party security products, which can reduce the need to replace an established stack before adopting managed security operations. The service covers endpoints, servers, networks, cloud workloads, email, identity, and other connected sources. Sophos therefore fits organizations that want MDR while preserving substantial parts of their current security architecture.
Red Canary operates MDR as a managed security operations service built around telemetry from existing customer tools. Its platform analyzes endpoint, identity, network, cloud, and other data while security analysts investigate potential threats around the clock. The company supports behavioral detection, threat hunting, automated response workflows, and expert-led remediation. Its integration-led model is particularly relevant for organizations that already own EDR, cloud security, identity, or network tools and want a dedicated operations layer to extract more security value from them.
SentinelOne offers managed detection and response through its Wayfinder security services. MDR coverage includes 24/7 detection, investigation, and response, with monitoring extending across customer environments rather than stopping at endpoint alert review. The broader service portfolio also includes proactive threat hunting, compromise assessment, breach-readiness work, and incident response capabilities. Organizations already working with SentinelOne's security platform may find the model particularly straightforward because monitoring and response services can sit alongside existing endpoint and extended detection infrastructure.
Expel provides managed detection and response that connects to existing endpoint, cloud, identity, network, SaaS, and SIEM systems. Its Workbench platform provides customers with visibility into investigations while automation collects and enriches evidence before analysts make response decisions. Threat hunting, automated containment, threat intelligence, reporting, and strategic security guidance are included within the operating model. Expel is particularly relevant for organizations that have already invested in multiple security technologies but need a single 24/7 team to investigate signals across them.
Rapid7 delivers MDR as part of its broader security operations portfolio. The service combines managed monitoring and threat investigation with the company's detection technology, security research, and exposure-management capabilities. This can be useful for organizations that want detection and response tied more closely to vulnerability and exposure information instead of treating these activities as completely separate security programs. Rapid7's MDR work is designed around continuous operations, investigation, response support, and the security research produced by Rapid7 Labs.
eSentire focuses heavily on managed detection and response, using its Atlas platform to correlate endpoint, network, log, cloud, identity, and vulnerability signals. Its service combines automated detection and containment with a 24/7 security operations team that investigates threats and takes response actions. The company also emphasizes integrating with customers' existing technologies rather than requiring a wholesale platform replacement. This makes it relevant for mid-market and enterprise environments where multiple security products need to be brought under one operational monitoring and response process.
Unit 42 MDR combines Palo Alto Networks' Cortex XDR technology with a continuously operating expert security team. The service monitors and investigates telemetry from endpoints, networks, cloud infrastructure, and identity systems, while proactive threat hunting looks for activity that has not triggered conventional alerts. Managed response and remediation are also included, allowing incidents to move from detection toward containment and resolution without handing every stage back to the customer's internal team.
21century.tech operates as an AI-native software engineering studio with senior engineers responsible for architecture, business logic, code review, QA, security decisions, and production delivery. Its work includes full-stack feature development, legacy refactoring, third-party integrations, automated testing, CI/CD, documentation, and deployment. Within an MDR-oriented security program, the company is most applicable after detection or investigation identifies weaknesses that require engineering changes. Teams can use its development capabilities for remediation, secure refactoring, deployment pipeline improvements, and application fixes rather than continuous SOC-based threat monitoring.
OSKI Solutions provides managed IT services centered on proactive monitoring, alerting, incident response, security patching, infrastructure operations, and continuous improvement. Its managed model covers applications, AWS and Azure infrastructure, databases, integrations, CI/CD pipelines, backups, and production systems under defined service-level agreements. OSKI puts monitoring and on-call response in place to identify operational problems and address incidents, while senior engineers can remediate issues across application code and cloud infrastructure. This gives the company relevance for businesses seeking detection and response at the application and infrastructure operations level alongside ongoing managed IT support.
ESET offers 24/7 managed detection and response supported by security analysts, threat hunters, its endpoint security technology, and its global threat intelligence infrastructure. The service is intended to investigate malicious behavior, prioritize real incidents, and respond to threats without requiring every customer to build a fully staffed internal security operation. Its approach is closely connected to ESET's endpoint and telemetry ecosystem, making it especially relevant for organizations already standardizing their endpoint protection around ESET technology.
Integrity360 provides Aegis Managed Detection and Response for companies requiring continuous monitoring and rapid security response across networks, endpoints, and cloud systems. Its MDR service combines security monitoring with investigation, containment, and access to a wider portfolio covering incident response, threat exposure management, cybersecurity testing, and compliance. This broader coverage can work well for businesses that want their MDR provider to handle both active operational security and related security improvement projects.
Huntress focuses on managed endpoint detection and response backed by a 24/7 security operations team. Its service collects endpoint activity, investigates suspicious behavior, contains threats, and supports remediation while managing the underlying EDR technology for the customer. The approach is narrower than MDR platforms designed to aggregate every network, cloud, and SIEM source, but it can suit businesses and IT providers that want strong endpoint-focused monitoring without building an internal SOC.
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SoftPro combines custom software development with cloud engineering, modernization, and long-term application support. Its work includes Azure and AWS environments, cloud migration, infrastructure management, and the development of secure business applications. The company can support organizations where security monitoring or an external MDR engagement identifies application, cloud, or infrastructure issues that need technical remediation. SoftPro also publishes cybersecurity-focused material covering managed detection and response considerations, although its core public service portfolio remains centered on development, cloud solutions, modernization, and ongoing support rather than a standalone SOC operation.
Net-Devs works with enterprise software, cloud platforms, and production systems where security needs to be addressed alongside architecture, deployment, and ongoing engineering. Its Cloud & Platform practice covers cloud-native architecture, infrastructure as code, Azure, AWS, GCP, Terraform, and Kubernetes, while its development process includes security and quality controls before production deployment. The company is particularly relevant when detection findings expose weaknesses that require code changes, infrastructure remediation, CI/CD improvements, or application modernization. Its public offering is engineering-led rather than a conventional 24/7 SOC service.
Managed detection and response services can differ considerably in how they monitor environments, investigate threats, and handle containment after an incident is identified. Some providers focus on endpoint and identity telemetry, while others bring network, cloud, SIEM, vulnerability, and threat intelligence data into a broader security operations model.
For companies comparing MDR providers, the main factors are the level of 24/7 coverage, supported security tools, response authority, threat-hunting capabilities, integration with existing infrastructure, and access to experienced security analysts. It is also worth looking closely at whether the service supplements an internal security team or is designed to take over much of the day-to-day monitoring and investigation work.
The right model depends on the organization's existing security stack, internal expertise, regulatory requirements, and preferred level of provider involvement. A careful comparison of these operational details usually gives a clearer picture than looking at platform features alone.
