Managed detection and response services combine continuous security monitoring with investigation, threat hunting, and hands-on response when suspicious activity is found. This overview includes dedicated MDR providers as well as several security and software engineering partners that can support monitoring, hardening, incident remediation, and recovery work around a broader MDR program. The distinction matters because not every provider below operates a traditional 24/7 MDR SOC.
Gilzor is a software engineering company working across web and mobile development, QA, AI and machine learning, troubleshooting, and ongoing development support. Its security relevance is strongest on the engineering side. The company addresses security and reliability during QA, application maintenance, architecture work, and the repair of existing products. For organizations already using an MDR platform or external SOC, Gilzor can support the technical remediation that follows detection, such as investigating application problems, fixing vulnerable code, and stabilizing production systems. Its published service portfolio is engineering-led rather than a dedicated 24/7 MDR operation.
CrowdStrike delivers MDR through Falcon Complete, combining the Falcon security platform with an always-on team responsible for detection, investigation, threat hunting, and remediation. Coverage extends beyond endpoints into cloud, identity, and other telemetry supported by the Falcon platform. The managed service is designed for organizations that want CrowdStrike specialists to handle a substantial portion of day-to-day security operations rather than simply sending alerts to an internal team. Its response capabilities include investigation and hands-on remediation, backed by threat intelligence gathered across CrowdStrike's wider platform.
OSKI Solutions combines cybersecurity consulting and engineering with ongoing infrastructure and application support. Its security work includes real-time monitoring and auditing, SIEM implementations using platforms such as Microsoft Sentinel, AWS GuardDuty, and Elastic SIEM, automated anomaly alerts, penetration testing, application security, IAM, cloud hardening, and DevSecOps. Managed IT services can also include proactive monitoring and incident response. This gives OSKI Solutions a practical role in MDR-related environments, particularly where a company needs security monitoring tied closely to cloud engineering, application development, and remediation rather than a separate large-scale SOC product.
Sophos MDR provides around-the-clock monitoring, threat hunting, investigation, and response through a combination of security technology, AI-assisted workflows, and human analysts. The service is intended to take operational responsibility for detecting and investigating threats rather than leaving customers with another stream of alerts to review. Sophos can work across its own security stack and supported third-party technologies, which is useful for organizations that already have established security investments. Customers can choose different levels of response authority depending on how much control they want the Sophos team to exercise during an incident.
Arctic Wolf provides MDR through its security operations platform and Concierge Security Team model. The service continuously monitors telemetry across endpoints, networks, cloud environments, and applications, with analysts investigating threats and coordinating response. Active response capabilities can be used to contain compromised systems and reduce the amount of work left to a customer's internal staff during an incident. Arctic Wolf's model is particularly relevant to organizations that want ongoing operational guidance in addition to alert monitoring, because customers work with a dedicated security team rather than interacting only with an automated platform.
A-listware provides managed security services alongside software development and IT operations. Its cybersecurity work includes security assessments, penetration testing, security code review, infrastructure protection, compliance assessment, and ongoing managed security. The company also describes the use of SIEM optimization, automated monitoring, log analysis, early threat detection, and rapid response as part of its security work. Compared with a security vendor built exclusively around MDR, A-listware has a broader technology delivery model, making it relevant when monitoring and security improvements need to be coordinated with development teams, infrastructure engineers, or a wider managed IT engagement.
Rapid7's MDR service combines its security platform with a global SOC and dedicated detection, investigation, threat hunting, and incident response expertise. Coverage can span endpoints, cloud environments, identity, email, and network data, allowing investigations to use context from several parts of an organization's environment. Rapid7 also brings exposure information into the process, helping analysts connect active threats with vulnerabilities and other known weaknesses. The service is suited to teams that want managed operations but still value access to the underlying security data and platform for their own analysts.
Huntress provides managed detection and response through a 24/7 Security Operations Center backed by endpoint, identity, and SIEM capabilities. Its Managed EDR service monitors endpoint activity, investigates suspicious behavior, and supports remediation, while Managed ITDR focuses on threats involving compromised accounts, suspicious logins, session hijacking, malicious OAuth applications, and business email compromise. Huntress supports both Microsoft 365 and Google Workspace identity environments, making it relevant to businesses that need continuous monitoring without building an internal SOC.
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net-devs focuses on enterprise software development, cloud and platform engineering, and AI-assisted delivery. Security enters its work primarily through software quality, architecture, testing, and production engineering rather than a dedicated managed detection and response service. The company tests systems for security, stability, and correctness and can be relevant when findings from an SOC, MDR provider, or internal security team require changes to application code or infrastructure. For buyers comparing MDR services, net-devs fits better as a technical remediation and engineering partner that can work alongside the monitoring provider responsible for continuous threat detection.
SentinelOne offers managed detection and response as part of its Global Services portfolio. The service pairs continuous expert monitoring with SentinelOne's security platform, covering endpoint, cloud, identity, and other connected security data. Analysts investigate suspicious activity and support response while the underlying platform handles machine-speed detection and automated security actions. This model suits organizations that want the automation and telemetry of an XDR platform without relying solely on internal staff to interpret every alert. SentinelOne also extends MDR beyond conventional endpoint monitoring, which is useful for environments where identities and cloud workloads are major attack paths.
eSentire delivers managed detection and response through a 24/7 Security Operations Center supported by threat hunters and its Atlas technology platform. The service ingests signals from endpoint, network, log, cloud, identity, and vulnerability sources, giving analysts several sources of context when investigating an incident. Response can move beyond notification into containment actions such as isolating hosts, suspending users, and disrupting malicious connections. That hands-on response model is useful for organizations with limited internal security staffing or teams that want a provider to take defined containment actions without waiting for internal analysts to work each alert.
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SoftPro supports managed detection and response initiatives through secure cloud engineering, proactive application monitoring, infrastructure management, and ongoing technical support. Its teams work with Azure and AWS environments, applying security controls such as encryption, access management, and data protection while monitoring applications for operational and security-related issues. SoftPro can also handle remediation work when monitoring identifies weaknesses or suspicious behavior, including application updates, infrastructure changes, access-control improvements, and security hardening. This combination of monitoring, cloud expertise, and hands-on engineering helps companies strengthen the response and remediation side of their broader security operations.
Red Canary operates a 24/7 MDR service focused on detecting, investigating, and responding to threats across endpoints, identities, cloud systems, and other connected security technologies. Its SOC combines behavioral detection engineering and threat hunting with analyst-led investigation rather than relying only on individual product alerts. Response options include guided, automated, and human-led actions, allowing organizations to choose how much remediation authority the provider receives. Red Canary is also designed to work with security products a customer may already have, which can make it relevant for teams that want managed operations without replacing their existing endpoint or cloud security tools.
21CENTURY.TECH supports managed detection and response programs through security-focused software engineering, code review, QA, architecture improvements, and production remediation. Its senior engineers review application code, make security-related technical decisions, and address weaknesses that can affect production systems. When monitoring or threat investigation identifies vulnerable logic, insecure implementation patterns, technical debt, or reliability issues, the team can handle code-level fixes, refactoring, testing, and architectural changes. This engineering support helps companies move from detected security issues to practical remediation while strengthening the resilience and production readiness of their software.
Expel provides 24/7 managed detection and response while working with security tools that organizations already use. Its analysts investigate activity across endpoint, identity, cloud, network, and SaaS environments, combining automated workflows and AI with human review. The service emphasizes showing customers how investigations develop rather than operating as a completely opaque outsourced SOC, giving internal security teams visibility into evidence and analyst decisions. This model can suit companies that have already invested in several security products but need continuous monitoring and experienced analysts to connect alerts, investigate incidents, and coordinate response across those technologies.
Managed detection and response services can take several forms, from fully outsourced 24/7 SOC operations to security engineering support that helps companies investigate and remediate threats identified by existing monitoring tools. The right model depends on how much internal security expertise a company already has, which platforms are in use, and whether the priority is continuous monitoring, threat hunting, containment, or technical remediation.
When comparing providers, it is useful to look beyond basic alert monitoring and examine response authority, supported environments, integration options, threat-hunting capabilities, and the level of access to human analysts. Companies with complex cloud, identity, endpoint, and application environments may also benefit from combining dedicated MDR coverage with engineering support for fixing vulnerabilities and strengthening systems after an incident.
