Top 10: OT Security Platforms

Historically physical machinery and digital control systems operated in relative isolation. 

Over time, this reality was overwritten by modern digital transformation initiatives, which have dismantled the distance between them.

As a result, critical infrastructure across manufacturing, utilities, healthcare and transportation is now exposed to sophisticated cyber threats.

Protecting these cyber physical systems requires highly specialised platforms that can decode proprietary industrial protocols without disrupting mission critical operations.

A successful cyberattack on an operational technology environment can lead to catastrophic physical damage, extensive downtime and severe financial losses.

To combat these escalating risks organisations are actively seeking advanced protection platforms that offer deep asset visibility, continuous network monitoring and automated risk remediation.

This week Cyber Magazine highlights the top 10 operational technology security platforms globally.

By deploying these cutting edge solutions enterprises can ensure regulatory compliance, reduce systemic risk and maintain continuous operational resilience against an increasingly hostile threat landscape.

10. Darktrace OT 

Headquarters: Cambridge, United Kingdom
CEO: Charles Goodman
Recent revenue: US$782.2m (2024, acquired by Thoma Bravo in 2024)

Darktrace OT delivers AI solutions specifically engineered for operational technology environments.

The platform employs unsupervised machine learning to understand the normal behaviour of industrial networks automatically.

This approach empowers the system to spot subtle anomalies and emerging threats without needing predefined rules.

The operational technology offering connects seamlessly with existing security infrastructure to supply continuous asset inventory and vulnerability tracking. Darktrace stands out by identifying strange network traffic and supplying actionable insights that speed up incident triage.

Its cyber offerings create a unified view across information technology and industrial systems to guarantee total attack surface visibility. By concentrating on behavioural shifts rather than known threat signatures the platform defends legacy systems against novel cyberattacks.

9. Forescout 4D Platform 

Headquarters: San Jose, California
CEO: Barry Mainz
Revenue: undisclosed (represents over 80 percent of total revenue) 

Forescout 4D platform excels in comprehensive asset intelligence and continuous threat exposure management for unmanaged devices.

The platform brings deep visibility into industrial environments by locating and evaluating vulnerabilities across operational technology infrastructure.

Forescout supplies vendor agnostic cybersecurity at scale to guarantee that connected assets meet strict security policies.

Its operational technology specialty revolves around enforcing network access control and orchestrating automated responses to security events without interrupting delicate industrial processes.

The cyber offerings include advanced network security features that integrate with existing infrastructure to enable dynamic network segmentation.

This architecture limits attackers from moving laterally from corporate networks and operational or production networks. Security teams gain the actionable insights needed to prioritise risk mitigation effectively.

8. Tenable OT Security

Headquarters: Columbia, Maryland
Co-CEOs: Steve Vintz & Mark Thurmond
Revenue: US$999.4m

​​​​​​Tenable OT Security presents a robust exposure management platform crafted to secure industrial control systems while bridging the gap between information technology and operational technology.

The system delivers exhaustive vulnerability management by providing clear asset visibility and strict risk prioritisation for critical infrastructure.

Tenable uncovers security flaws in legacy programmable logic controllers without causing disruptions to sensitive industrial operations.

The operational technology specialty centres on passive network monitoring blended with active querying designed exclusively for fragile industrial devices.

Its cyber offerings incorporate a unified dashboard that contextualises data from third party security tools to yield a complete view of the attack surface.

Tenable enables enterprises to calculate risk scores and receive clear remediation guidance to fortify defensible architectures against cyber threats.

7. Fortinet OT Security Platform

Headquarters: Sunnyvale, California
CEO: Ken Xie
Revenue: US$6.8bn

Fortinet provides a unified security fabric that seamlessly blends advanced threat protection across corporate and industrial networks.

The operational technology platform utilises high performance next generation firewalls to build secure conduits and enforce rigorous network segmentation.

Fortinet isolates critical industrial processes from broader enterprise vulnerabilities to minimise the risk of lateral movement by cybercriminals.

The cyber offerings incorporate specialised threat intelligence mapped to industrial protocols alongside virtual patching tools to shield unpatched legacy infrastructure.

Fortinet ensures comprehensive visibility through passive discovery and active scanning to eradicate blind spots within dynamic industrial environments.

The operational technology specialty highlights consolidating security vendors and streamlining operations through a unified interface to deliver rapid incident response times and consistent policy enforcement globally.

6. Cisco Cyber Vision 

Headquarters: San Jose, California
CEO: Chuck Robbins
Revenue: US$56.7bn

Cisco Cyber Vision embeds comprehensive visibility and threat detection directly into industrial networking equipment.

By turning existing switches and routers into passive security sensors the platform eliminates the need for expensive overlay networks.

This edge compute architecture decodes complex industrial protocols in real time without adding latency to fragile control loops.

Cisco excels at generating detailed asset inventories and dynamic communication maps to highlight structural vulnerabilities.

The cyber offerings seamlessly feed operational technology context into enterprise security operations centres and firewalls. This deep integration allows corporate analysts to correlate events across information technology and operational technology domains effortlessly.

Cisco empowers critical infrastructure operators to enforce strict segmentation policies and maintain continuous regulatory compliance globally.

5. Zero Trust OT Security (Palo Alto Networks)

Headquarters: Santa Clara, California
CEO: Nikesh Arora
Revenue: US$9.2bn

Zero Trust OT Security by Palo Alto Networks delivers an enterprise scale platform that pushes advanced threat prevention capabilities deep into industrial environments.

The platform depends on next generation firewalls and artificial intelligence driven threat detection to safeguard operational technology networks.

Palo Alto Networks implements strict access principles to guarantee that only authorised users can interact with critical industrial control systems.

The cyber offerings present comprehensive asset visibility and continuous monitoring to uncover anomalous behaviour across manufacturing and utility sectors.

Its operational technology specialty focuses on integrating industrial security into existing corporate security operations centres.

This unified approach allows global organisations to use endpoint protection and extended detection tools to investigate sophisticated cyberattacks rapidly and effectively.

4. Nozomi Networks

Headquarters: San Francisco, California
CEO: Edgard Capdevielle
Revenue: US$100m

Nozomi Networks offers outstanding visibility and threat detection for industrial control systems and cyber physical platforms.

The solution harnesses artificial intelligence to establish a baseline for normal network behaviour and swiftly pinpoint anomalous traffic patterns that suggest a cyberattack.

Nozomi Networks stands out in passive network monitoring via sensors that inspect packets deeply within specific protocol contexts without hindering industrial operations.

The operational technology specialty targets large scale asset discovery and dynamic network topology mapping to expose hidden vulnerabilities and illicit communication flows.

The cyber offerings feature a cloud based management console that centralises security monitoring and hastens incident remediation through automated workflows.

Nozomi Networks ensures strict regulatory compliance by providing on premise deployment options for highly sensitive environments.

3. Armis Centrix (Armis)

Headquarters: San Francisco, California
CEO: Yevgeny Dibrov
Revenue: US$300m

Armis Centrix provides a category defining cyber exposure management platform that protects managed and unmanaged assets across complex industrial environments.

The platform runs entirely agentless to deliver deep asset intelligence across billions of device profiles without slowing down sensitive industrial control systems.

Armis locates vulnerabilities in connected medical devices and operational technology hardware to construct a fully mapped attack surface.

The specialty emphasises continuous real time monitoring to spot deviations from normal behaviour and alert security personnel to potential intrusions instantly.

The cyber offerings highlight artificial intelligence driven risk scoring that allows organisations to prioritise remediation efforts based on business impact.

Armis integrates with global systems integrators to forge a comprehensive security shield.

2. The Dragos Platform

Headquarters: Hanover, Maryland
CEO: Robert M Lee
Revenue: undisclosed 

The Dragos Platform delivers a premier cybersecurity solution entirely dedicated to securing industrial control systems and critical infrastructure.

The platform merges deep asset visibility with industry leading threat intelligence codified by a team of veteran industrial security practitioners.

Dragos excels at detecting sophisticated cyber threats targeting operational technology environments and supplies detailed forensic investigation tools to support rapid incident response.

The specialty revolves around deciphering complex industrial protocols and mapping control loop architectures to spot precise points of vulnerability.

The cyber offerings encompass tailored playbooks that navigate security teams through effective remediation steps during an active crisis.

Dragos concentrates heavily on establishing defensible architectures and connecting with existing corporate security infrastructure to provide vital industrial context.

1. The Claroty Platform

Headquarters: New York
CEO: Yaniv Vardi
Revenue: ~US$200m(est)

​​​​​​Claroty operates as the paramount leader in securing cyber physical systems across complex industrial and healthcare environments.

The comprehensive platform yields unmatched asset discovery and continuous network protection through flexible cloud native and on premise deployment models.

Claroty pinpoints hidden vulnerabilities and constructs precise exposure management strategies based on award winning threat research.

The operational technology specialty champions secure remote access capabilities that permit authorised personnel to service critical systems without exposing the network to external threats.

The cyber offerings showcase advanced anomaly detection and dynamic risk benchmarking to assist organisations in prioritising remediation based on device purpose and process criticality.

Claroty integrates flawlessly with enterprise security operations to help infrastructure operators reduce industrial risk effectively.