Dragos vs. Nozomi Networks
Dragos and Nozomi are both pure OT and IoT visibility platforms — neither has pivoted to healthcare or broad CPS convergence. That shared focus makes the comparison sharper. Dragos leads with threat intelligence: named adversary tracking, practitioner-built response playbooks, and a managed services arm built specifically for OT. Nozomi leads with analytics and scale: AI-driven anomaly detection, wireless spectrum monitoring, and a sensor architecture designed for large, distributed multi-site operations. For most enterprise OT buyers, the decision comes down to whether your primary gap is threat detection capability or distributed visibility at scale.
| Criteria | Dragos | Nozomi Networks |
|---|---|---|
| Platform | ||
| Primary orientation | Threat intelligence-led OT detection and response | AI-driven OT and IoT asset intelligence and anomaly detection at scale |
| Platform scope | OT / ICS only | OT and IoT; no healthcare |
| Market fit | Enterprise only | Enterprise — strongest in large, multi-site operations |
| Deployment model | On-premises sensor; cloud management optional | Guardian sensors aggregate to cloud-based Vantage platform |
| Technical | ||
| Passive deployment | Yes — passive-only, no active queries required | Yes — passive-only monitoring |
| Protocol coverage | Modbus, EtherNet/IP, DNP3, IEC 61850, IEC 60870, Profinet, SRTP, CIP, OPC-UA | Modbus, EtherNet/IP, DNP3, IEC 61850, IEC 60870, Profinet, OPC-UA, BACnet, GOOSE, Wireless |
| Wireless monitoring | Not available | Yes — wireless spectrum monitoring included. Detects rogue wireless devices and unauthorized RF activity. |
| AI / analytics | Analytics present; threat intelligence is the primary detection engine | AI-driven anomaly detection and asset intelligence. Strongest analytics depth in the category. |
| Multi-site scale | Scales well; architecture built around single or moderate multi-site deployments | Designed for large, distributed environments. Guardian sensor architecture aggregates cleanly at scale. |
| Asset discovery | Strong — built around OT asset context for threat detection | Strong — AI-driven asset intelligence across OT and IoT |
| Vulnerability management | Risk-based, contextualized for OT operational impact | Strong — contextualized for OT and IoT asset risk |
| Threat detection | ||
| Threat intelligence | Proprietary ICS intelligence with named adversary tracking. Industry-leading depth for OT-specific threats. | Integrated threat intelligence; strong OT and IoT coverage but less adversary-specific depth |
| Response playbooks | Practitioner-built, adversary-specific ICS response playbooks | Available; general OT focus, less adversary-specific |
| Managed services | Dragos OT Watch — dedicated OT MDR with ICS-trained analysts | Available through partners |
| Integration and compliance | ||
| SIEM / SOAR integration | Supported; OT-contextualized alerts | Supported; solid OT-contextualized integration |
| Compliance coverage | NERC CIP, IEC 62443, NIS2 | NERC CIP, IEC 62443, NIS2 |
| Procurement | ||
| Professional services | Required for deployment | Required for deployment |
| Pricing | $$$ — quote only | $$$ — quote only |
| Watch | — | — |
Protocol coverage sourced from vendor documentation. Verify current capabilities during vendor briefing.
Dragos wins when
- Detecting OT-specific adversaries and nation-state threats is the primary program goal
- You are building a threat intelligence-driven OT security program with mature response capability
- You need managed OT SOC coverage via Dragos OT Watch
- Your environment is energy, utilities, or oil and gas where ICS adversary tracking is highest value
- Adversary-specific response playbooks are a procurement requirement
Nozomi wins when
- You are operating a large, multi-site industrial environment where scale and distributed visibility are the priority
- Wireless spectrum monitoring is a requirement — rogue wireless devices are a threat in your environment
- AI-driven analytics and anomaly detection depth matter more than adversary-specific intelligence
- Your environment includes IoT devices alongside OT assets
- The Guardian sensor-to-Vantage architecture fits your deployment model
The real decision
Both platforms are enterprise OT visibility tools with strong protocol coverage and passive deployment. The fork is in detection philosophy. Dragos detects by knowing what adversaries do in ICS environments and matching that behavior — the threat intelligence library is the detection engine. Nozomi detects by learning what normal looks like in your environment and flagging deviations — the AI baseline is the detection engine.
For programs where threat actor attribution and response playbooks matter — energy, critical infrastructure, organizations under active threat — Dragos is the stronger fit. For large, distributed operations where scale, wireless visibility, and analytics depth are the primary requirements, Nozomi is the better choice. Neither publishes pricing. Use the RFP Evaluation Kit to structure your PoC before entering a commercial discussion.
Related comparisons: Dragos vs. Claroty · Nozomi vs. Claroty · Claroty vs. Armis