Best NetPol Alternatives in 2026
The top NetPol alternatives are Dragos Platform, Armis Centrix for OT/IoT Security and Nozomi Networks Platform: 15 OT and ICS security monitoring software our editors would look at instead of NetPol, in our ranking order.
NetPol: A focused network monitoring tool, but an expensive fit for OT security programs. Where it falls short: starts at AUD 1,000 per node per month.
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Best forOrganizations prioritizing OT threat intelligence
A broad OT monitoring platform for threat intelligence, vulnerability management, and response.
- Passive monitoring
- SIEM integration
- OT asset discovery
9.4/10★★★★★Visit Dragos -
Best forEnterprise OT/IoT teams needing broad coverage
A broad agentless platform for discovering, monitoring, and prioritizing OT/IoT risk.
- Passive monitoring
- SIEM integration
- OT asset discovery
9.3/10★★★★★Visit Armis -
Best forLarge mixed OT, IoT, and enterprise environments
Broad monitoring, discovery, anomaly detection, and integrations for mixed OT and IoT estates.
- Passive monitoring
- SIEM integration
- OT asset discovery
9.2/10★★★★★Visit site -
Best forTeams needing OT exposure and vulnerability management
A broad OT security platform combining asset discovery, threat detection, and vulnerability management.
- Passive monitoring
- SIEM integration
- OT asset discovery
9.1/10★★★★★Contact Tenable -
Best forOn-premises OT security teams
A broad on-premises OT monitoring platform for asset visibility, detection, and exposure management.
- Passive monitoring
- SIEM integration
- OT asset discovery
8.9/10★★★★☆Visit Claroty -
Best forIndustrial sites needing broad protocol support
Broad OT visibility, protocol inspection, and endpoint protection for industrial environments.
- Passive monitoring
- SIEM integration
- OT asset discovery
8.7/10★★★★☆Visit Kaspersky -
Best forAir-gapped OT environments
A broad on-premises OT security platform for air-gapped industrial environments.
- Passive monitoring
- SIEM integration
- OT asset discovery
8.4/10★★★★☆Contact OTDefend -
Best forCloud-managed OT and CPS monitoring
A broad cloud platform for passive OT monitoring, asset intelligence, and threat detection.
- Passive monitoring
- SIEM integration
- OT asset discovery
8.3/10★★★★☆Visit Claroty -
Best forOT teams monitoring PLC behavior and work orders
A broad OT monitoring platform for tracking assets, PLC behavior, threats, and work orders.
- Passive monitoring
- SIEM integration
- OT asset discovery
8.2/10★★★★☆Visit Radiflow -
Best forHoneywell-centered industrial environments
A Honeywell-focused OT monitoring solution for asset discovery, detection, and vulnerability management.
- Passive monitoring
- SIEM integration
- OT asset discovery
8.0/10★★★★☆Visit Honeywell -
Best forOT teams needing centralized asset and policy control
A centralized console for discovering, monitoring, and managing industrial OT security.
- Passive monitoring
- SIEM integration
- OT asset discovery
7.9/10★★★★☆Visit TXOne Networks -
Best forOffline and air-gapped OT monitoring
Passive, offline-capable OT monitoring with asset discovery, detection, and security integrations.
- Passive monitoring
- SIEM integration
- OT asset discovery
7.8/10★★★★☆Visit EmberOT -
Best forFocused passive OT network monitoring
Focused passive monitoring for OT asset visibility, anomaly detection, and incident response.
- Passive monitoring
- SIEM integration
- OT asset discovery
7.7/10★★★★☆Visit Rhebo -
Best forSiemens industrial environments
A Siemens-focused OT monitor combining asset discovery, detection, vulnerability mapping and SIEM forwarding.
- Passive monitoring
- SIEM integration
- OT asset discovery
7.6/10★★★★☆Visit Siemens -
Best forRockwell-aligned OT governance programs
A Rockwell-aligned OT platform for discovery, risk prioritization, change control, and compliance.
- SIEM integration
- OT asset discovery
7.4/10★★★★☆Visit Rockwell
NetPol Alternatives: Common Questions
What is the best alternative to NetPol?
Dragos Platform: #1 in our OT and ICS Security Monitoring Software ranking, with an editor score of 9.4 out of 10. A broad OT monitoring platform for threat intelligence, vulnerability management, and response.
NetPol vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment | Passive monitoring | OT asset discovery | Supported protocols | Score |
|---|---|---|---|---|---|---|---|---|
| 17 | NetPol | No | A$1,000/unit/mo | Hybrid | — | — | SNMP v2c, CDP, LLDP, SSH, syslog | 6.2 |
| 1 | Dragos Platform | — | — | — | Yes | Yes | 600+ industrial and IT protocols | 9.4 |
| 2 | Armis Centrix for OT/IoT Security | — | — | — | Yes | Yes | S7Comm, CIP, SNMP, BACnet, Modbus, WMI, HTTP, DNP3, IEC 60870-5-104, Profinet | 9.3 |
| 3 | Nozomi Networks Platform | — | — | — | Yes | Yes | Modbus, IEC 61850-8-1 (MMS), EtherNet/IP, PROFINET, BACnet | 9.2 |
| 4 | Tenable One OT Exposure | — | — | — | Yes | Yes | Modbus, Modbus UMAS, Modbus MODICON, CIP, PROFINET, DNP3, IEC 60870-5-104, MMS, S7/S7+, IEC 61850 | 9.1 |
| 5 | Claroty CTD | — | — | On_premises | Yes | Yes | Modbus, DNP3, CIP, OPC UA, 450+ industrial protocols | 8.9 |
| 6 | Kaspersky Industrial CyberSecurity Platform | — | — | On_premises | Yes | Yes | ABB SPA-Bus; Allen-Bradley EtherNet/IP; BACnet; BECKHOFF ADS/AMS; CODESYS V2/V3 Gateway; DNP3; Emerson DeltaV; General Electric SRTP/EGD; IEC 60870-5-101/104; IEC 61850 GOOSE/MMS/Sampled Values; Mitsubishi MELSEC System Q; Modbus TCP; OMRON FINS; OPC DA; OPC UA Binary; PROFINET IO; Schneider Electric UMAS; Siemens Industrial Ethernet; Siemens S7comm/S7comm-plus; TASE.2; Yokogawa Vnet/IP; Honeywell Experion PKS/PlantCruise; Honeywell ControlEDGE 900 | 8.7 |
| 7 | OTDefend | — | — | On_premises | Yes | Yes | Modbus (TCP and RTU), S7comm, DNP3, EtherNet/IP, IEC-104, IEC 61850, PROFINET, EtherCAT, POWERLINK, CC-Link IE, OPC UA, BACnet, FINS, MELSEC, HART-IP | 8.4 |
| 8 | Claroty xDome | — | — | Cloud | Yes | Yes | Modbus | 8.3 |
| 9 | Radiflow iSID | — | — | Hybrid | Yes | Yes | Modbus, CIP, DNP3, IEC 104 | 8.2 |
| 10 | Honeywell Cyber Insights | — | — | On_premises | Yes | Yes | — | 8.0 |
| 11 | TXOne EdgeOne | — | — | — | Yes | Yes | Modbus, EtherNet/IP, CIP, FINS, S7Comm/S7Comm+, SECS/GEM, IEC 61850-MMS, IEC-104, and 180+ additional industrial protocols | 7.9 |
| 12 | EmberOT | No | — | On_premises | Yes | Yes | IEC 61850 (MMS/GOOSE/SV), Siemens S7, CIP/ENIP, BACnet, Modbus, DNP3, MQTT | 7.8 |
| 13 | Rhebo Industrial Protector | — | — | On_premises | Yes | Yes | OPC, IEC 60870-5-104, IEC 61850-8-1, DNP3 | 7.7 |
| 14 | Siemens SINEC Security Monitor | No | — | On_premises | Yes | Yes | SNMP, PN-DCP, Siemens S7 Communication (S7Comm), Modbus/TCP, EtherNet/IP | 7.6 |
| 15 | Rockwell Automation SecureOT Platform | — | — | — | — | Yes | — | 7.4 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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