Best OT and ICS Security Monitoring Software in 2026
Updated
Industrial environments have distinct monitoring needs, so compare OT and ICS security software against the assets, protocols and integrations relevant to your operations. OT asset discovery and passive monitoring describe key areas to examine; supported protocols and SIEM integration add further fit considerations. Deployment and asset limit can help frame operational requirements, while free-plan availability and paid-from details offer cost context. Nozomi Networks Platform, Honeywell Forge and Kaspersky Industrial CyberSecurity Platform are among the options shown. Use the listed criteria to assess how each product aligns with the environment you need to monitor.
OT and ICS Security Monitoring Software, ranked on how quickly a newcomer can get going.3 of 3 products with recorded free access can be tried for free.
- 1 Nozomi Networks PlatformFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 2 EmberOTFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 3 NetPolPaid from A$200/mo
- Free to practise on: no
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 4 Honeywell Forge
- Well documented: yes
- Runs where you work: yes
- 5 FactoryTalk Analytics
- Well documented: yes
- Runs where you work: yes
- 6 Kaspersky Industrial CyberSecurity Platform
- Well documented: yes
- Runs where you work: yes
- 7 OTDefend
- Well documented: yes
- Runs where you work: yes
- 8 Radiflow iSID
- Well documented: yes
- Runs where you work: no
- 9 Tenable One Attack Surface Management
- Well documented: yes
- Runs where you work: yes
- 10 Claroty CTD
- Well documented: yes
- Runs where you work: no
- 11 Claroty xDome
- Well documented: yes
- Runs where you work: no
- 12 TXOne EdgeOne
- Well documented: yes
- Runs where you work: no
- 13 Dragos Platform
- Well documented: yes
- Runs where you work: no
- 14 nNetNDR
- Well documented: yes
- Runs where you work: no
- 15 Rhebo Industrial Protector
- Well documented: yes
- Runs where you work: no
- 16 Tenable One OT Exposure
- Well documented: yes
- Runs where you work: no
- 17 Armis Centrix for OT/IoT Security
- Well documented: no
- Runs where you work: no
Compare all 17 in a table
| # | Platform | Score | Free plan | Paid from | Deployment | Passive monitoring |
|---|---|---|---|---|---|---|
| 1 | Nozomi Networks Platform | 7.1 | Yes | |||
| 2 | EmberOT | 7.0 | No | on_premises | Yes | |
| 3 | NetPol | 7.0 | No | hybrid | ||
| 4 | Honeywell Forge | 6.9 | on_premises | Yes | ||
| 5 | FactoryTalk Analytics | 6.6 | ||||
| 6 | Kaspersky Industrial CyberSecurity Platform | 6.5 | on_premises | Yes | ||
| 7 | OTDefend | 6.5 | on_premises | Yes | ||
| 8 | Radiflow iSID | 6.5 | hybrid | Yes | ||
| 9 | Tenable One Attack Surface Management | 6.5 | Yes | |||
| 10 | Claroty CTD | 6.4 | on_premises | Yes | ||
| 11 | Claroty xDome | 6.4 | cloud | Yes | ||
| 12 | TXOne EdgeOne | 6.4 | Yes | |||
| 13 | Dragos Platform | 6.3 | Yes | |||
| 14 | nNetNDR | 6.2 | on_premises | Yes | ||
| 15 | Rhebo Industrial Protector | 6.2 | on_premises | Yes | ||
| 16 | Tenable One OT Exposure | 6.0 | Yes | |||
| 17 | Armis Centrix for OT/IoT Security | 5.8 | Yes |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.




