List of the Top 16 Managed Detection and Response (MDR) Services for Linux in 2026

Achieve Enterprise-Grade Security with Blumira Instead of MDR Blumira offers a comprehensive solution that combines SIEM, endpoint visibility, round-the-clock monitoring, and automated responses to simplify security management, enhance visibility, and accelerate response times. Similar to a Managed Detection and Response service, we take on the heavy lifting of security, allowing you to reclaim valuable time. With ready-to-use detections, curated alerts, and response playbooks, IT teams can derive significant security benefits from Blumira. Rapid Implementation, Instant Benefits: Seamlessly integrate with your existing technology stack and achieve full deployment within hours, without any warm-up time. Unlimited Data Ingestion: Enjoy predictable pricing with no limits on data logging, facilitating comprehensive detection throughout the lifecycle. Simplified Compliance: Includes one year of data retention, ready-made reports, and continuous automated monitoring (most MDRs only retain a fraction of logs after 30 days). Superior Support Compared to MDR: Benefit from our dedicated Product Solution Architects, Incident Detection Team, and 24/7 Security Operations with a customer satisfaction score of 99.7%.

ThreatLocker® empowers organizations—from businesses and government agencies to academic institutions—with the ability to control exactly which applications are allowed to run in their environments. Built on a Zero Trust foundation, our suite of powerful cybersecurity tools puts control back in your hands. We believe in a future where every organization can operate securely and independently, free from the disruption of cyberattacks. That’s why our team of seasoned cybersecurity experts designed ThreatLocker: to give you the tools to stop threats before they start. With decades of experience developing cutting-edge security solutions, including email and content protection, ThreatLocker is our most advanced and comprehensive platform yet. It’s built to help you reduce risk, simplify your stack, and take control. Learn more at ThreatLocker.com.

Heimdal® Endpoint Detection and Response is our exclusive multi-faceted service that offers exceptional capabilities for prevention, threat hunting, and remediation. This service integrates the most cutting-edge threat-hunting technologies available, including Heimdal Next-Gen Antivirus, Heimdal Privileged Access Management, Heimdal Application Control, Heimdal Ransomware Encryption Protection, Heimdal Patch & Asset Management, and Heimdal Threat Prevention. With six modules functioning together harmoniously under a single platform and agent, Heimdal Endpoint Detection and Response provides comprehensive cybersecurity layers necessary for safeguarding your organization against both familiar and unfamiliar online and internal threats. Our advanced product enables rapid and precise responses to complex malware, ensuring that your digital assets are protected while also maintaining your organization's reputation. By consolidating these capabilities, we deliver an efficient solution that addresses the evolving challenges of cybersecurity effectively.

Through collaboration, we can robustly address cyber threats at every point within an organization, regardless of where the threats arise. Cybereason provides unmatched visibility and accurate detection of both known and unknown dangers, enabling security teams to leverage true preventive measures. The platform delivers extensive context and insights from the entire network, allowing defenders to evolve into proficient threat hunters capable of uncovering hidden attacks. With just a single click, Cybereason significantly reduces the time required for defenders to investigate and remedy incidents, utilizing both automation and guided assistance. By analyzing an impressive 80 million events every second, Cybereason functions at a scale that is 100 times larger than many of its competitors, which leads to a remarkable decrease in investigation duration by up to 93%. This swift capability empowers defenders to tackle new threats in just minutes rather than days, transforming how organizations respond to cyber challenges. Ultimately, Cybereason sets a new benchmark for threat detection and response, fostering a more secure digital environment for everyone involved. Moreover, this innovative approach not only enhances the efficiency of security operations but also promotes a proactive stance in the ever-evolving landscape of cyber threats.

Our Extended Detection and Response (XDR) cyber security platform delivers comprehensive insights into your endpoints, servers, clouds, and digital supply chains while facilitating threat detection. As a fully managed service, it is backed by our round-the-clock security operations, ensuring rapid enrollment and cost-effectiveness. This platform serves as a crucial component for robust cyber threat detection, response, and prevention strategies. It offers in-depth visibility, cutting-edge threat detection capabilities, advanced behavioral analytics, and automated threat hunting, significantly enhancing the efficiency of your security operations. Leveraging AI-driven machine intelligence, our platform identifies suspicious and atypical activities, uncovering even the most elusive threats. It effectively pins down genuine threats with remarkable accuracy, allowing investigators and SOC analysts to concentrate on the critical aspects of their work. Furthermore, the integrated nature of our service streamlines workflows, fostering a proactive security posture for your organization.

Fortinet emerges as a key global player in the cybersecurity sector, notable for its comprehensive and integrated approach to safeguarding digital infrastructures, devices, and applications. Founded in 2000, the organization provides a wide range of products and services, including firewalls, endpoint protection, intrusion prevention systems, and secure access solutions. A cornerstone of its offerings is the Fortinet Security Fabric, a unified platform that seamlessly combines various security tools to enhance visibility, automation, and provide real-time threat intelligence across the entire network. Renowned for its dependability among businesses, government agencies, and service providers worldwide, Fortinet prioritizes innovation, scalability, and performance, thereby reinforcing its defenses against the constantly shifting landscape of cyber threats. In addition to its protective capabilities, Fortinet’s dedication to enabling digital transformation and ensuring business continuity highlights its essential role within the cybersecurity landscape, positioning itself as a trusted partner for organizations striving to navigate modern security challenges effectively. With a focus on proactive measures and cutting-edge solutions, Fortinet continues to adapt and evolve to meet the demands of an increasingly complex digital world.

OpenText™ offers Managed Extended Detection & Response (MxDR), which operates through a cloud-based virtual Security Operations Center (V-SOC) that leverages machine learning and the MITRE ATT&CK framework. Utilizing advanced workflows and artificial intelligence, it establishes correlations among logs from devices, networks, and computers. The BrightCloud® Threat Intelligence Services seamlessly integrate to assist organizations in comprehending and assessing the implications of security incidents. Furthermore, the team of OpenText MxDR specialists is available to help you detect, analyze, and prioritize alerts effectively. This streamlined approach not only saves valuable time but also enables your internal teams to focus more on essential business functions while enhancing overall security management. Ultimately, this comprehensive solution aims to fortify your organization's defenses against emerging threats.

Security teams have the capability to utilize the Infocyte Managed Response Platform to identify and address cyber threats and vulnerabilities present in their networks. This versatile platform supports a range of environments, including physical, virtual, and serverless assets. Our Managed Detection and Response (MDR) platform provides features such as asset and application discovery, automated threat hunting, and on-demand incident response. By implementing these proactive cybersecurity strategies, organizations can significantly decrease the time attackers remain undetected, mitigate overall risk, ensure compliance with regulations, and enhance the efficiency of their security operations. Furthermore, these tools empower security teams to stay one step ahead of potential threats.

Businesses aiming to stand out must transition from a reactive stance to one of proactive control. Firms interested in enhancing their ongoing improvement efforts and maximizing their investments can benefit greatly. With GoSecure Titan®'s Managed Security Services, which encompass our Managed Extended Detection & Response (MXDR) Service, alongside our Professional Security Services, we position ourselves as your trusted partner in safeguarding against breaches and ensuring a secure environment for your operations. By choosing us, you can focus on growth while we handle your security needs.

The Managed Detection and Response (MDR) platform from SharkStriker is founded on the ORCA philosophy, which stands for Observe, Response, Compliance, and Awareness, and draws inspiration from the natural world where the powerful ORCA, or killer whale, is one of the few creatures that sharks fear. By embodying the characteristics of an ORCA, SharkStriker’s innovative platform effectively safeguards against threats in the cybersecurity landscape. This ORCA philosophy empowers our skilled team to engage in proactive incident management and human-driven threat hunting. Incorporating advanced technologies like Machine Learning and Artificial Intelligence, the platform enhances threat detection in real-time while ensuring a crucial human touch remains integral to the process. Our cybersecurity professionals leverage this robust system for engaging in hands-on threat hunts and managing incident responses. Furthermore, our MDR service is designed to be transparent and customer-friendly, as it does not impose limitations on the number of incident responses, alleviating concerns over hourly fees or retainer costs for clients. This approach establishes a partnership that prioritizes security and responsiveness in an ever-evolving digital landscape.

OpenText Core MDR is a fully managed, always-on security service designed to help organizations stay ahead of fast-moving cyber threats. It combines machine learning, advanced detection technologies, and human expertise to monitor systems around the clock and identify risks that automated tools might overlook. By integrating with hundreds of existing security platforms, the solution centralizes alerts and provides end-to-end visibility across the entire environment. Unlike traditional monitoring tools, MDR includes expert-led analysis, validation of alerts, and actionable guidance for swift remediation. Its co-managed model empowers internal IT teams with insightful context while offloading the heavy analysis to OpenText’s experienced SOC professionals. The service enhances an organization’s security posture by reducing false positives, detecting sophisticated attack patterns, and ensuring rapid containment when incidents occur. Continuous threat intelligence updates help businesses anticipate new tactics used by attackers. MDR also simplifies compliance efforts by maintaining documented response workflows and incident tracking. Organizations benefit from reduced risk exposure, improved operational efficiency, and confidence that threats are being handled proactively. With OpenText Core MDR, security teams gain a strategic partner that strengthens defenses and elevates their long-term resilience.

We hold the title of the leading incident response service globally, dedicated to safeguarding against cyber threats through a synthesis of comprehensive response capabilities and real-time threat insights derived from over 3000 incidents annually, complemented by our extensive expertise. Reach out to us right away through our round-the-clock cyber incident hotlines for immediate assistance. Kroll's Cyber Risk experts are equipped to address the challenges posed by current and future threats. Our protective solutions, detection, and response strategies are bolstered by frontline intelligence gathered from more than 3000 incident reports each year. Taking preemptive action to secure your organization is crucial, as the landscape of potential attacks is continually evolving and becoming more complex. Enter Kroll's Threat Lifecycle Management, which offers holistic solutions for managing cyber risk that help identify vulnerabilities, assess the strength of your defenses, enhance controls, optimize detection methods, and effectively respond to any emerging threats. The need for robust cybersecurity measures has never been more critical in today’s digital environment.

No matter if your data is stored in a cloud environment—whether it’s private, public, or hybrid—or handled on your premises, Armor is committed to safeguarding it. We concentrate on pinpointing real threats and filtering out distractions through advanced analytics, automated processes, and a specialized team that is available 24/7. When an attack occurs, our response is proactive; our Security Operations Center experts provide your security team with actionable guidance on effective response tactics and resolution methods rather than just sending alerts. We emphasize utilizing open-source tools and cloud-native solutions, which helps to free you from conventional vendor dependencies. Our infrastructure as code (IaC) approach for continuous deployment integrates smoothly into your existing DevOps pipeline, or we can assume full control of stack management if needed. Our goal is to empower your organization by simplifying the implementation and maintenance of security and compliance measures. This commitment not only makes security more accessible but also enhances your organization’s operational resilience in an ever-evolving digital world, ultimately enabling you to navigate complexities with greater ease.

Our Managed Detection and Response (MDR) service is meticulously designed for exceptional threat detection, active threat hunting, and anomaly recognition, providing responsive guidance through a robust defense-in-depth strategy that consistently monitors and synthesizes data from various sources, including network activities, endpoints, and logs. Unlike traditional Managed Security Service Providers (MSSPs), our methodology prioritizes proactive threat prevention over mere reactive measures. To accomplish this, we utilize state-of-the-art technologies in cloud computing and big data analytics, along with sophisticated machine learning algorithms, all backed by a premier incident response team in the cybersecurity sector that accurately identifies risks to your systems. Our approach integrates a combination of high-quality commercial solutions, open-source tools, and proprietary resources to guarantee the utmost precision in monitoring. In addition, our collaboration with Cylance enables us to provide unmatched endpoint threat detection and prevention through their groundbreaking solution, CylancePROTECT(™), ensuring our clients receive the most effective protections available today. This dedication to harnessing cutting-edge technology and fostering expert partnerships distinguishes us as frontrunners in the realm of proactive cybersecurity solutions. Furthermore, our continuous investment in innovation and excellence reaffirms our commitment to safeguarding our clients against evolving cyber threats.

It's essential to revamp security operations to keep pace with evolving threats. SISA's Managed Detect and Response solution stands out for its flexibility and ability to adapt to shifting threat environments. The solution offers tenfold value by significantly reducing investigation durations while streamlining operational expenses. Users benefit from a unified experience through integrated portals that feature a graphical user interface and a client site appliance. Additionally, an agent for resource monitoring enhances its functionality. The "conscious" algorithm is designed to continually assess security events, effectively minimizing the time from ticket creation to resolution. Furthermore, digital forensics equips teams with timely and actionable insights that are invaluable for breach investigations, damage assessments, and remediation efforts. The brand intelligence solution enables prompt action against unauthorized applications and content, grounded in meticulous research of both the dark web and the broader internet. Organizations can swiftly respond to endpoint threats using tailored response strategies, which may include host isolation or traffic blocking, ensuring a robust security posture. Ultimately, this comprehensive approach empowers businesses to stay ahead of potential risks while enhancing their overall security framework.

WithSecure Elements Infinite provides a comprehensive suite of security tools and capabilities as a continuous Managed Detection and Response (MDR) service that includes responding 24/7 to cyber security incidents and improving customers security posture through Continuous Threat Exposure Management (CTEM). WithSecure's Detection and Response Team (DRT) swiftly addresses cyber threats to your organization within minutes. WithSecure Elements Infinite seamlessly integrates with your cyber security team, providing threat hunting expertise, helping your team learn and grow, and continuously enhancing your security measures. Elements Infinite’s 24/7 First Response service contains and remediates cyber security incidents before they have a chance to impact the business. Our proven First Response methodology enables the <1% of incidents requiring specialist support to be smoothly escalated to our incident response team. Elements Infinite’s proprietary Endpoint Detection & Response (EDR) agent and log collectors feed data into our XDR detection platform, offering exceptional visibility into user, endpoint, cloud, and network activities. The primary service components cover the environments external attack surface(s), identity management systems (Entra ID), physical endpoints, corporate networks and cloud environments (AWS, Azure). WithSecure is a premier European cyber security company dedicated to helping our customers achieve compliance and effectiveness the European way. As a trusted partner in cyber security, our extensive real-world experience and expertise, honed over 35 years, safeguard critical businesses and millions of endpoints globally. We provide clients with operational efficiency and resilience, empowering them to reach their objectives.