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Best OT and ICS Security Monitoring Software 2026
Facts read 19 Sep 2026 – 15 Oct 2026
OT and ICS security monitoring software helps organizations monitor industrial environments and the assets and protocols within them. Compare OT asset discovery and passive monitoring with asset limits, deployment options, supported protocols, and SIEM integration. The list also includes free plan availability and starting paid price, giving you additional criteria to consider. Its 16 ranked entries begin with Nozomi Networks Platform, Claroty xDome, and Kaspersky Industrial CyberSecurity Platform; Claroty CTD and Dragos Platform are also included. Compare the listed capabilities against the industrial assets and monitoring needs you have to assess.
The standings: top 10
| Name | In a line | Record score | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|
| 01 Microsoft Defender for Business | 5.6 | Free trial | Android, iPhone & iPad, Windows, Mac | 9 Oct 2026 | |
| 02 NetPol | NetPol is intended for industrial environments such as mining, utilities, manufacturing, oil and gas, transport infrastructure, and managed-service operations. | 5.5 | Free trial | Web, Windows, Mac, Linux | 7 Oct 2026 |
| 03 Nozomi Networks Platform | 4.6 | Free trial | Web, Linux, API, Self-hosted | 14 Oct 2026 | |
| 04 EmberOT | It is intended for industrial operators, engineers, analysts, defenders, plant managers, compliance managers, and cybersecurity teams. | 4.3 | Free plan | Self-hosted | 5 Oct 2026 |
| 05 OTDefend | OTDefend is intended for industrial operators in sectors such as energy, manufacturing, water, and oil and gas. | 4.3 | Free trial | Web, Windows, Linux, API | 15 Oct 2026 |
| 06 Cisco Catalyst Center | 4.2 | — | Web, Windows, Mac, Linux | 3 Oct 2026 | |
| 07 Kaspersky Industrial CyberSecurity Platform | KICS suits industrial enterprises seeking security visibility and response across OT and IoT environments, including air-gapped or legacy systems. | 4.0 | — | Web, Windows, Linux, API | 15 Oct 2026 |
| 08 Claroty xDome | It is intended for security teams managing cyber-physical systems, particularly in industrial environments. | 3.7 | — | Web, API | 30 Sep 2026 |
| 09 Dragos Platform | Dragos Platform is intended for industrial and critical infrastructure operators, including organizations in energy, manufacturing, water, transportation, mining, and… | 3.7 | — | Web, Self-hosted | 2 Oct 2026 |
| 10 Radiflow iSID | It suits industrial enterprises, utilities, and critical infrastructure operators seeking OT asset visibility and monitoring. | 3.7 | — | Web, Self-hosted | 4 Oct 2026 |
02
NetPol
NetPol is intended for industrial environments such as mining, utilities, manufacturing, oil and gas, transport infrastructure, and managed-service operations.
WebWindowsMac+2 Record5.5 Visit
03
Nozomi Networks Platform
WebLinuxAPI+1 Record4.6 Visit
04
EmberOT
It is intended for industrial operators, engineers, analysts, defenders, plant managers, compliance managers, and cybersecurity teams.
Self-hosted Record4.3 Visit
05
OTDefend
OTDefend is intended for industrial operators in sectors such as energy, manufacturing, water, and oil and gas.
WebWindowsLinux+2 Record4.3 Visit
7
Kaspersky Industrial CyberSecurity Platform
WebWindowsLinux+2 — Record4.0 Visit KICS suits industrial enterprises seeking security visibility and response across OT and IoT environments, including air-gapped or legacy systems.
8
Claroty xDome
WebAPI — Record3.7 Visit It is intended for security teams managing cyber-physical systems, particularly in industrial environments.
9
Dragos Platform
WebSelf-hosted — Record3.7 Visit Dragos Platform is intended for industrial and critical infrastructure operators, including organizations in energy, manufacturing, water, transportation, mining, and…
10
Radiflow iSID
WebSelf-hosted — Record3.7 Visit It suits industrial enterprises, utilities, and critical infrastructure operators seeking OT asset visibility and monitoring.
11
TXOne EdgeOne
WebAPISelf-hosted — Record3.7 Visit EdgeOne suits organizations securing OT environments, such as manufacturing plants and teams managing Edge devices across facilities.
12
Claroty CTD
Self-hosted — Record3.5 Visit CTD suits public-sector organizations protecting OT and cyber-physical assets, including locations without dedicated OT security personnel.
13
Rhebo Industrial Protector
Self-hosted — Record3.5 Visit The product is intended for critical infrastructure, utilities, and manufacturing organizations that need passive OT monitoring, asset visibility, and integration with…
14
nNetNDR
Self-hosted — Record3.4 Visit nNetNDR suits operators of industrial control and OT environments that need passive visibility and anomaly detection.
17
Armis Centrix for OT/IoT Security
Web — Record2.4 Visit It suits security teams responsible for operational technology, industrial systems, or connected devices.
18
Tenable One OT Exposure
Web — Record2.4 Visit Tenable One OT Exposure suits organizations that need visibility into operational technology assets and network activity.
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