Best OTDefend Alternatives in 2026
Updated
16 platforms from OT and ICS security monitoring software ranked against OTDefend on the same published basis.
- 1OTDefend vs Nozomi Networks Platform
- 2OTDefend vs EmberOT
- 3OTDefend vs NetPol
- 4OTDefend vs Honeywell Forge
- 5OTDefend vs FactoryTalk Analytics
- 6OTDefend vs Kaspersky Industrial CyberSecurity Platform
- 8OTDefend vs Radiflow iSID
- 9OTDefend vs Tenable One Attack Surface Management
- 10OTDefend vs Claroty CTD
- 11OTDefend vs Claroty xDome
- 12OTDefend vs TXOne EdgeOne
- 13OTDefend vs Dragos Platform
- 14OTDefend vs nNetNDR
- 15OTDefend vs Rhebo Industrial Protector
- 16OTDefend vs Tenable One OT Exposure
- 17OTDefend vs Armis Centrix for OT/IoT Security
OTDefend alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Nozomi Networks Platform | 7.1 | Free plan | Free | API, Linux, self-hosted, Web |
| 2 | EmberOT | 7.0 | Free plan | Free | self-hosted |
| 3 | NetPol | 7.0 | No | A$200/mo | Linux, Mac, self-hosted, Web, Windows |
| 4 | Honeywell Forge | 6.9 | Android, API, iOS, Linux, Mac, Web, Windows | ||
| 5 | FactoryTalk Analytics | 6.6 | API, Linux, Web, Windows | ||
| 6 | Kaspersky Industrial CyberSecurity Platform | 6.5 | Linux, Web, Windows | ||
| 8 | Radiflow iSID | 6.5 | self-hosted, Web | ||
| 9 | Tenable One Attack Surface Management | 6.5 | Linux, Mac, Web, Windows | ||
| 10 | Claroty CTD | 6.4 | self-hosted | ||
| 11 | Claroty xDome | 6.4 | API, Web | ||
| 12 | TXOne EdgeOne | 6.4 | API, self-hosted, Web | ||
| 13 | Dragos Platform | 6.3 | self-hosted, Web | ||
| 14 | nNetNDR | 6.2 | self-hosted | ||
| 15 | Rhebo Industrial Protector | 6.2 | self-hosted | ||
| 16 | Tenable One OT Exposure | 6.0 | Web | ||
| 17 | Armis Centrix for OT/IoT Security | 5.8 | Web |
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Questions about OTDefend alternatives
What is the best alternative to OTDefend?
Nozomi Networks Platform, number 1 in OT and ICS security monitoring software with a score of 7.1 out of 10. The others here: EmberOT, NetPol, Honeywell Forge and 12 more.
What is the best free alternative to OTDefend?
Nozomi Networks Platform is the best-ranked alternative with a free plan. 2 of the 16 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.