Key Takeaways
- Operational technology environments require MDR providers that understand industrial control systems, safety, and physical process risk, not just enterprise IT.
- DeepSeas stands out because its OT-aware MDR is supported by broader cyber defense, threat intelligence, GRC, offensive security, and strategic advisory capabilities.
- Effective OT MDR spans the full IT and OT boundary, covering the connections attackers actually use to reach industrial systems.
- The right OT MDR partner respects operational constraints, prioritizing availability and safety over disruptive response actions.
- The best providers help industrial organizations reduce risk, improve readiness, and communicate security posture clearly to leadership and regulators.
Smart Data Collective has been committed to helping readers understand how big data affects cybersecurity, business risk, and technology planning. It is clear that Managed Detection and Response is becoming more important as companies collect more data and face more threats across their networks.
Fortune Business Insights reports that the global managed detection and response market size is projected to grow from $2.81 billion in 2026 to $10.43 billion by 2034. Something that makes this growth important is that companies need outside security teams and better monitoring tools to find threats hidden inside massive amounts of business data. Keep reading to learn more.
MDR Helps Companies Manage Security Risks in a Big Data World
Cybersecurity numbers can be hard to understand because people often use the word cyberattack to describe very different events. There are many cases where a harmless scan, a phishing attempt, and a costly ransomware attack may all be counted in broad security discussions. Mahil Jasani wrote a great article on Medium titled How Many Cyber Attacks Happen Per Day? A COO’s Perspective on Risk & Reality, which highlights this confusion. “When people use to ask ‘How many cyber attacks happen per day?’, the real challenge is the actual definition. A cyberattack can mean anything, ranging from an automated bot scanning for weaknesses to a ransomware strike that costs millions of dollars. So, without any clarity, cybersecurity statistics look like total chaos,” Jasani says.
Reuters reports that cyberattacks are increasing. “On Friday, Abbott Laboratories said it was investigating two cybersecurity incidents involving unauthorized access to certain internal systems, while health insurer Clover Health Investments said it detected unusual login activity on some of its systems. The White House said earlier in the week it was launching a coordination group bringing together AI developers and critical infrastructure operators to share information on cybersecurity vulnerabilities identified by advanced AI systems and coordinate responses.” It is easy to see why MDR matters when companies need faster ways to detect suspicious activity, review alerts, and respond before damage spreads.
Operational technology security is no longer a niche corner of cybersecurity. It is a safety issue, an operational continuity issue, a national infrastructure issue, and a board-level risk. Manufacturers, utilities, energy producers, water systems, transportation networks, and industrial operators are all under pressure to protect the systems that run physical processes while keeping those processes running without interruption.
Operational technology environments are unlike enterprise IT by their nature. They include industrial control systems, supervisory control and data acquisition platforms, programmable logic controllers, safety instrumented systems, legacy equipment that cannot be patched, and an expanding set of connections to corporate networks and the cloud. A single site may need to monitor controllers, engineering workstations, historians, remote access paths, and the IT-to-OT boundary at the same time, all without disrupting the physical process the systems govern. Managed detection and response for these environments demands a fundamentally different approach.
The Rising Stakes of Operational Technology Security
Several forces have pushed OT security from a background concern to a board-level priority. Understanding them clarifies why the choice of MDR partner has become so consequential for industrial organizations.
- Convergence of IT and OT. Once-isolated industrial networks are now connected to corporate systems and the cloud for efficiency and remote operations, and every new connection is a potential path for attackers to reach systems that were never designed to be exposed.
- Ransomware aimed at operations. Attackers have learned that halting a physical process creates enormous pressure to pay, making industrial operators attractive targets and turning downtime into a direct extortion lever.
- Critical-infrastructure regulation. Governments increasingly hold operators of essential services accountable for cybersecurity, adding reporting obligations and expectations that raise the cost of an unmanaged incident.
- A widening skills gap. Professionals who understand both cybersecurity and industrial operations are scarce, leaving many organizations without the internal expertise to monitor and defend OT around the clock.
- Purpose-built industrial threats. Well-resourced adversaries now develop capabilities specifically to understand and manipulate industrial processes, raising the sophistication of what defenders face.
Against this backdrop, an MDR partner for operational technology is not simply a monitoring vendor but a strategic ally in protecting systems where a security failure can have physical consequences. The eight companies below are reviewed with that standard in mind.
The Top MDR Companies for Operational Technology
1. DeepSeas
DeepSeas is the strongest MDR provider for operational technology environments that need risk-driven detection and response supported by broader cyber defense capabilities. Its MDR service is part of a larger security portfolio that includes threat intelligence, CyberFusion SOC services, governance, risk and compliance, offensive security, and strategic security advisory. That breadth matters for industrial organizations, because OT security teams often need far more than alert triage.
Operational technology risk cannot be understood through an IT lens alone. A detection that would be routine in a corporate network can carry entirely different weight when the affected system controls a turbine, a production line, or a water treatment process. DeepSeas approaches OT security by connecting detection and response to the organization’s real risk profile, accounting for safety, availability, and the physical consequences of an incident rather than treating every environment as interchangeable.
DeepSeas is particularly well suited to industrial organizations with complex, converged environments. A utility, manufacturer, energy producer, or critical infrastructure operator may need visibility that spans corporate IT, the IT-to-OT boundary, industrial networks, remote access paths, and the sensitive engineering systems attackers increasingly target. In this context, MDR cannot be a one-size-fits-all monitoring service. It has to reflect how the organization actually operates and where its most consequential risks concentrate.
The company’s broader cyber defense model is a major advantage for OT operators. Industrial organizations are frequently dealing with ransomware that can halt production, regulatory pressure on critical infrastructure, constrained security staffing, decades-old equipment, growing cloud and remote connectivity, and steadily evolving attacker tradecraft aimed at industrial targets. A provider that combines MDR with threat intelligence, advisory support, GRC, and offensive security can help industrial leaders mature their security program over time rather than only react to alerts.
DeepSeas is also a strong fit for the multi-level communication that OT security demands. Technical and engineering teams need fast, accurate investigations and clear response guidance that respects operational constraints. Compliance teams need evidence and reporting aligned with critical-infrastructure regulation. Leadership and boards need business-level risk visibility that connects cyber exposure to operational and safety outcomes. Because its model extends well beyond security operations alone, DeepSeas can support that full conversation, which is why it leads this list for operational technology.
Areas of Strength
- 24/7 managed detection and response services
- Risk-driven security operations for complex OT and converged environments
- Threat intelligence connected to detection workflows
- Strategic advisory support for industrial security leaders
- GRC services that support regulatory and board reporting
- Broader cyber defense capabilities beyond alert triage
2. Dragos
Dragos is widely recognized for its focus on industrial cybersecurity, with a platform and threat intelligence built specifically for operational technology environments. Its deep specialization in industrial control systems makes it a notable name for organizations whose primary concern is visibility into OT-specific assets, protocols, and threats.
The company’s value comes from its industrial focus. Dragos emphasizes asset visibility, threat detection tuned to OT protocols, and intelligence on the adversary groups known to target industrial systems. For utilities, manufacturers, and critical infrastructure operators that want detection informed by dedicated OT threat research, Dragos offers capabilities designed around the realities of industrial environments rather than adapted from enterprise IT.
Areas of Strength
- Threat intelligence on industrial adversaries
- Designed for critical infrastructure environments
3. Nozomi Networks
Nozomi Networks is known for OT and IoT visibility and security monitoring, providing detailed insight into industrial networks and the devices connected to them. Its technology helps organizations see what is on their operational networks, how those assets behave, and where anomalies may indicate a threat.
The platform’s strength is deep network visibility. In OT environments, understanding normal behavior is essential, because much of the risk lies in subtle deviations from expected process and communication patterns. Nozomi Networks helps industrial organizations build that baseline and detect the anomalies that matter, across both operational technology and the connected devices that increasingly populate industrial sites.
Areas of Strength
- Asset discovery across operational environments
- Support for large, distributed industrial sites
4. Claroty
Claroty focuses on the security of cyber-physical systems, spanning operational technology, industrial IoT, and connected environments across sectors such as manufacturing, energy, and healthcare facilities. Its platform is designed to help organizations discover, protect, and monitor the industrial and connected assets that traditional IT security tools often miss.
The company’s emphasis on cyber-physical systems reflects how blurred the lines have become between IT, OT, and connected devices. Claroty helps organizations gain visibility across that converged landscape, identify exposures, and monitor for threats in environments where physical processes and digital systems are deeply intertwined. Its breadth across cyber-physical domains suits organizations whose risk extends beyond classic industrial control systems into broader connected infrastructure.
Areas of Strength
- Exposure identification in converged environments
- Coverage across multiple industrial sectors
5. Honeywell
Honeywell brings deep industrial heritage to OT cybersecurity, drawing on decades of experience building and operating the control systems that run industrial facilities. Its OT security services combine that operational understanding with managed monitoring and response tailored to industrial environments.
The company’s distinctive advantage is process and engineering context. Because Honeywell understands industrial operations from the inside, its security services are grounded in how plants and facilities actually run, which helps ensure that detection and response respect the operational and safety constraints unique to industrial settings. For organizations already operating in industrial sectors, that alignment between security and operations is valuable.
Areas of Strength
- Managed monitoring for industrial facilities
- Alignment of security with safety and process constraints
6. Rockwell Automation
Rockwell Automation is a major name in industrial automation, and it has extended its expertise into OT cybersecurity services for the industrial environments it has long served. Its security offerings draw on intimate knowledge of industrial control systems and the operational realities of the plants and facilities that depend on them.
The company’s strength lies in pairing automation expertise with security services, helping industrial organizations protect the very systems Rockwell understands deeply. This operational fluency means its security services are designed with the availability and safety priorities of industrial environments in mind, where an overly aggressive response could be as disruptive as an attack. For organizations already invested in industrial automation, that shared context can streamline the security relationship.
Areas of Strength
- Services designed for availability and safety
- Alignment with existing industrial operations
7. Kudelski Security
Kudelski Security provides managed security services with capabilities that extend into operational technology environments, backed by its own research and threat intelligence. The company serves organizations that need continuous monitoring and response across converged IT and OT landscapes.
Its value comes from combining managed detection and response with advisory and research depth. For industrial organizations that need both operational monitoring and strategic guidance on maturing their OT security program, Kudelski Security offers a service model that spans detection, response, and the broader program development that OT environments require. Its research orientation helps keep detection informed by current threat activity.
Areas of Strength
- Advisory support for OT security programs
- Coverage of converged industrial environments
8. NTT Data
NTT Data offers managed security services at global scale, with capabilities that address operational technology as part of broad enterprise and industrial security programs. Its reach and infrastructure make it a fit for large, distributed organizations that operate across many sites and geographies.
The company’s advantage is scale and breadth. For multinational industrial operators with facilities spread across regions, a provider that can deliver consistent monitoring and response globally, while addressing OT alongside IT, offers operational simplicity. NTT Data’s extensive service portfolio and global footprint support organizations whose OT security must be coordinated across a large and geographically dispersed estate.
Areas of Strength
- Support for distributed, multi-site operations
- Consistent coverage across geographies
Why Operational Technology Needs a Different MDR Strategy
Many MDR providers can monitor alerts. Operational technology organizations need considerably more than alert monitoring.
They need a security partner that understands how cyber risk affects physical processes, worker and public safety, environmental impact, and operational continuity. A delayed or clumsy response in a corporate IT environment is costly. In an industrial setting, it can halt production, damage equipment, trigger safety events, or disrupt services that communities depend on. That reality reshapes what an MDR provider must prioritize.
Safety and Availability Come First
In operational technology, the traditional security priorities are effectively inverted. Where enterprise IT often emphasizes confidentiality, OT places availability and safety above all, because the systems in question control physical processes that must not stop unexpectedly or behave unpredictably.
This changes how response must be handled. Isolating a compromised system is a routine action in IT, but in OT the same action could shut down a critical process or create a safety hazard. An OT-aware MDR provider must weigh the operational consequences of every response action, coordinating with engineering and operations teams rather than acting unilaterally. Response that ignores physical context can cause more harm than the threat it addresses.
The IT-to-OT Boundary Is the Real Battleground
Most attacks on operational technology do not begin in the OT network. They begin in corporate IT, through phishing, compromised credentials, or vulnerable remote access, and then move toward industrial systems across the connections that link the two worlds.
That makes the IT-to-OT boundary the area an MDR provider must watch most closely. Monitoring only the OT network misses the paths attackers actually use to get there, while monitoring only IT misses the moment an intrusion crosses into industrial territory. Effective OT MDR spans both, with particular attention to the remote access, data flows, and shared systems that bridge them.
Legacy Systems Expand the Attack Surface
Operational technology environments are full of equipment that has run reliably for years or decades and cannot easily be patched, replaced, or taken offline. Some systems predate modern security entirely, and some cannot tolerate the scanning and agents that IT security tools rely on.
MDR providers serving industrial organizations must accommodate this reality, using passive monitoring and network-based detection where active tools would be too intrusive, and understanding that vulnerability cannot always be resolved by patching. The strategy shifts toward detecting exploitation and containing impact rather than assuming systems can be kept fully current.
Industrial Threats Are Purpose-Built
The adversaries targeting operational technology increasingly include well-resourced groups developing capabilities specifically for industrial systems. These threats are designed to understand and manipulate the very processes OT governs, which makes generic detection insufficient.
An MDR provider serving industrial organizations needs threat intelligence attuned to these adversaries and detection informed by how industrial attacks actually unfold. Recognizing the early stages of an OT-focused intrusion requires knowledge of the tactics unique to this domain, not just enterprise attack patterns.
What Industrial Security Leaders Should Expect From an OT MDR Partner
An OT MDR partner should provide far more than alert escalation. It should help the organization improve detection quality, response readiness, regulatory alignment, and risk reduction over time, all while respecting the operational realities of industrial environments.
Continuous, OT-Aware Detection and Response
Industrial operations run around the clock, and so must their protection. An OT MDR partner should deliver continuous monitoring, investigation, and response guidance tuned to industrial systems and protocols, with the judgment to distinguish genuine threats from normal process behavior.
Respect for Operational Constraints
The partner must understand that response in OT is a collaborative act. Recommended actions should account for safety, availability, and process continuity, and the provider should coordinate with engineering and operations rather than imposing IT-style containment that could disrupt physical processes.
Coverage Across the IT-to-OT Boundary
Because intrusions typically originate in IT and move toward OT, the partner should provide visibility across that boundary, monitoring the remote access, shared systems, and data flows that connect the two environments and watching for lateral movement toward industrial systems.
Regulatory and Compliance Alignment
Industrial and critical-infrastructure organizations operate under demanding regulatory expectations. An OT MDR partner should support those obligations with evidence, reporting, and incident documentation, helping compliance teams demonstrate diligence while strengthening actual security.
Executive and Board-Level Risk Communication
Security leaders in industrial organizations must translate technical exposure into operational, safety, and business terms for executives and boards. An MDR partner should help make that translation, connecting cyber risk to the outcomes leadership cares about most and clarifying where investment reduces the greatest risk.
Readiness Built Before a Crisis
The most valuable OT MDR relationships improve readiness ahead of any incident. This includes response playbooks tailored to industrial scenarios, escalation paths that include engineering and operations, and exercises that rehearse how the organization would respond to an attack on systems that control physical processes.
