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Best ICS and OT vendors for security teams

We rank ICS and OT companies using a variety of factors, including protocol library depth, breadth of asset discovery, threat intelligence capabilities, AI and automation investments, and customer recommendation scores, to get you the perfect results for your company's needs.

4 companies ranked | Last updated: May 1, 2026

Which ICS and OT vendors should buyers compare first?

Enterprise buyers should compare Palo Alto Networks, Ontinue, and Viasat and other ranked ICS and OT vendors by fit, capability evidence, implementation risk, and procurement readiness. Palomarr ranks suppliers to help buyers move from a broad market scan to a practical shortlist.

For ICS and OT cybersecurity, top solutions offer robust protection and seamless integration. Palo Alto Networks and Fortinet excel in comprehensive, AI-driven security for enterprises. Ontinue is ideal for those optimizing Microsoft security, while Viasat provides secure connectivity for distributed operations.

  • Palo Alto Networks and Fortinet are best for large enterprises seeking comprehensive, AI-powered security due to their robust platforms and extensive threat detection capabilities. Before shortlisting, verify their integration capabilities with your existing OT infrastructure and the effectiveness of their AI in detecting nuanced industrial threats.
  • Ontinue is an excellent choice for organizations looking to optimize their Microsoft security investments within OT environments, leveraging its AI-first SecOps platform for tailored protection. Assess the effectiveness of their automated incident resolution and how seamlessly it integrates with your current Microsoft security tools.
  • Viasat is ideal for businesses requiring secure connectivity solutions for ICS and OT applications, offering integrated network security suitable for reliable data transmission and monitoring. Verify the security features of their connectivity solutions and their proven effectiveness in your specific industrial environment.

How companies earn their ranking

In the ICS and OT security space, Capability scores are driven by the depth of protocol support, the accuracy of asset discovery, and the robustness of vulnerability management. Innovation scores reflect investments in AI-driven threat detection, automation of incident response, and the development of proprietary threat intelligence.

Vendors who demonstrate a commitment to both comprehensive protection and cutting-edge research achieve the highest scores.Top-ranked companies in this category excel at providing solutions that are both effective and easy to integrate into existing industrial environments. They prioritize passive asset discovery, offer extensive protocol support, and invest in OT-specific threat intelligence.

To improve their ranking, vendors should focus on expanding their protocol libraries, enhancing their AI-driven detection capabilities, and building strong relationships with industrial organizations.

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Want the full picture? Palomarr Insights explores the ICS and OT space in depth and visualizes the companies based on metrics.
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Rankings

1
Best Overall Best Value
9.8 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.9 Innovation 9.7
2
Best for Enterprise
9.5 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.4 Innovation 9.6
3
9.1 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.2 Innovation 9.0
4
8.1 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 8.1 Innovation 8.1

Meet the leaders

Discover what makes each company unique. Use filters to narrow by your needs, or Find your perfect match to get personalized rankings tailored to your exact requirements.

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97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Palo Alto Networks excels in ICS and OT with its AI-powered security platform that integrates threat intelligence and incident response, ensuring robust protection against cyber threats.

Pricing posture

Premium pricing level indicates a higher investment for advanced capabilities.

Implementation/integration fit

Moderate implementation difficulty suits large enterprises and mid-market customers needing comprehensive security solutions.

What to verify

Verify integration capabilities with existing systems and the effectiveness of incident response services.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Ontinue's AI-first SecOps platform provides tailored protection for ICS and OT environments, automating incident resolution and optimizing Microsoft security investments.

Pricing posture

Moderate pricing level aligns with competitive offerings for mid-market and enterprise customers.

Implementation/integration fit

Moderate implementation difficulty is suitable for large enterprises leveraging Microsoft Defender.

What to verify

Verify the effectiveness of automated incident resolution and integration with existing security tools.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Viasat provides connectivity solutions with integrated network security, making it suitable for ICS and OT applications that require reliable data transmission and monitoring.

Pricing posture

Moderate pricing level is accessible for SMBs and mid-market customers seeking reliable connectivity.

Implementation/integration fit

Moderate implementation difficulty is appropriate for businesses needing flexible and scalable connectivity solutions.

What to verify

Verify the security features of their connectivity solutions and their effectiveness in industrial environments.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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  • Lorem ipsum
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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

See how ICS and OT suppliers stack up

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Capabilities Innovation

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