I’m sorry, it seems the web search tool encountered an issue while looking up the most recent information on ICS (Industrial Control System) cybersecurity companies. I can still share a well-informed overview based on industry knowledge—just let me know if you'd like me to look up those details later once the tool is back online.
Leading ICS Cybersecurity Companies (Based on Industry Insight)
1. Dragos
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Specializes in cybersecurity for industrial control systems, delivering threat intelligence, detection solutions, and incident response tailored to operational technology (OT) environments.
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Known for its extensive threat library, vulnerability assessments, and incident response capabilities.
2. Claroty
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Provides an integrated platform for securing and managing OT/IoT devices.
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Offers visibility, risk and vulnerability management, and secure remote access—all tailored to critical infrastructure and industrial networks.
3. Nozomi Networks
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Focuses on real-time cybersecurity and operational visibility across industrial networks.
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Uses AI-driven monitoring and anomaly detection to protect manufacturing, energy, and infrastructure environments.
4. CyberX (acquired by Microsoft)
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Offers network monitoring and ICS-specific threat detection solutions.
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Microsoft’s acquisition has since integrated CyberX technology into broader security and cloud offerings.
5. Tenable.ot
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Offers a merged solution with Tenable.io to monitor and secure ICS/OT environments.
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Boasts vulnerability scanning, asset discovery, and risk prioritization capabilities.
6. Palo Alto Networks (Prisma Cloud / Next-Gen Firewalls)
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While not ICS-specific in their core business, they offer strong endpoint and network security features that can be adapted to OT environments.
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Known for integrating next-gen firewall capabilities with secure edge filtering that can guard against cyber threats in critical systems.
What to Consider When Evaluating an ICS Cybersecurity Provider
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Domain Knowledge & Industry Focus
Prioritize firms with deep experience in OT, industrial protocols (like Modbus, DNP3, BACnet), and regulatory frameworks. -
Visibility & Network Monitoring
The best solutions offer real-time discovery of devices and insights into network behavior to quickly flag anomalies. -
Vulnerability Management & Patch Support
Since many industrial systems can't be patched frequently, tools that identify configuration weaknesses and suggest compensating controls are essential. -
Threat Detection & Response Capabilities
Look for platforms with behavior-based detection, playbooks for incident response, and integrations with SOCs or CERT workflows. -
Deployment Flexibility
Ideal solutions support both air-gapped environments (common in OT networks) and cloud-connected setups, with lightweight and secure OT agents or appliances. -
Integration with Existing Security Stack
Ensure compatibility with SIEM systems, firewalls, endpoint security tools, and orchestration platforms, especially if a unified view is crucial to your operations.
Next Steps
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Define your OT environment specifics—sector, device types, network architecture, regulatory constraints.
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Request case studies or references—especially in your industry (e.g., energy, manufacturing, utilities).
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Evaluate proof-of-concept (PoC)—most providers offer small-scale trials to validate effectiveness within your environment.
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Vet integration and support—ensure 24/7 visibility, remote management, and incident response capabilities.
Would you like me to revisit this with live data or rankings once the search tool is functional again? Let me know—I’m happy to adjust as needed.