Best OT and ICS Security Monitoring Software in 2026
Updated
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.
17ranked
2free plans on this page
A$200/molowest paid tier
8 Oct 2026last checked
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 Honeywell Forge iPhone + Android RecognisedPhone appDocumented 7.3 Deployment: on_premisesPassive monitoring: YesOT asset discovery: Yes
- 2 EmberOT No phone app RecognisedPhone appDocumentedFree plan 6.4Free Deployment: on_premisesPassive monitoring: YesOT asset discovery: Yes
- 3 Nozomi Networks Platform No phone app RecognisedPhone appDocumentedFree plan 6.3Free Passive monitoring: YesOT asset discovery: Yes
- 4 Claroty CTD No phone app RecognisedPhone appDocumented 5.9 Deployment: on_premisesPassive monitoring: YesOT asset discovery: Yes
- 5 Claroty xDome No phone app RecognisedPhone appDocumented 5.8 Deployment: cloudPassive monitoring: YesOT asset discovery: Yes
- 6 FactoryTalk Analytics No phone app RecognisedPhone appDocumented 5.8 OT asset discovery: Yes
- 7 Radiflow iSID No phone app RecognisedPhone appDocumented 5.8 Deployment: hybridPassive monitoring: YesOT asset discovery: Yes
- 8 TXOne EdgeOne No phone app RecognisedPhone appDocumented 5.8 Passive monitoring: YesOT asset discovery: Yes
- 9 Dragos Platform No phone app RecognisedPhone appDocumented 5.7 Passive monitoring: YesOT asset discovery: Yes
- 10 Kaspersky Industrial CyberSecurity Platform No phone app RecognisedPhone appDocumented 5.7 Deployment: on_premisesPassive monitoring: YesOT asset discovery: Yes
- 11 nNetNDR No phone app RecognisedPhone appDocumented 5.7 Deployment: on_premisesPassive monitoring: YesOT asset discovery: Yes
- 12 OTDefend No phone app RecognisedPhone appDocumented 5.7 Deployment: on_premisesPassive monitoring: YesOT asset discovery: Yes
- 13 Rhebo Industrial Protector No phone app RecognisedPhone appDocumented 5.7 Deployment: on_premisesPassive monitoring: YesOT asset discovery: Yes
- 14 Tenable One Attack Surface Management No phone app RecognisedPhone appDocumented 5.6 Passive monitoring: YesOT asset discovery: Yes
- 15 NetPol No phone app RecognisedPhone appDocumentedFree plan 5.5A$200/mo Deployment: hybrid
- 16 Tenable One OT Exposure No phone app RecognisedPhone appDocumented 5.5 Passive monitoring: YesOT asset discovery: Yes
- 17 Armis Centrix for OT/IoT Security No phone app RecognisedPhone appDocumented 5.3 Passive monitoring: YesOT asset discovery: Yes
Compare all 17 in a table
| # | App | Score | Free plan | Paid from | Deployment | Passive monitoring |
|---|---|---|---|---|---|---|
| 1 | Honeywell Forge | 7.3 | on_premises | Yes | ||
| 2 | EmberOT | 6.4 | No | on_premises | Yes | |
| 3 | Nozomi Networks Platform | 6.3 | Yes | |||
| 4 | Claroty CTD | 5.9 | on_premises | Yes | ||
| 5 | Claroty xDome | 5.8 | cloud | Yes | ||
| 6 | FactoryTalk Analytics | 5.8 | ||||
| 7 | Radiflow iSID | 5.8 | hybrid | Yes | ||
| 8 | TXOne EdgeOne | 5.8 | Yes | |||
| 9 | Dragos Platform | 5.7 | Yes | |||
| 10 | Kaspersky Industrial CyberSecurity Platform | 5.7 | on_premises | Yes | ||
| 11 | nNetNDR | 5.7 | on_premises | Yes | ||
| 12 | OTDefend | 5.7 | on_premises | Yes | ||
| 13 | Rhebo Industrial Protector | 5.7 | on_premises | Yes | ||
| 14 | Tenable One Attack Surface Management | 5.6 | Yes | |||
| 15 | NetPol | 5.5 | No | hybrid | ||
| 16 | Tenable One OT Exposure | 5.5 | Yes | |||
| 17 | Armis Centrix for OT/IoT Security | 5.3 | Yes |
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