Best OTDefend Alternatives in 2026
Updated
16 tools from OT and ICS security monitoring software ranked against OTDefend on the same published basis.
- 1OTDefend vs Honeywell Forge
- 2OTDefend vs NetPol
- 3OTDefend vs Nozomi Networks Platform
- 4OTDefend vs Tenable One Attack Surface Management
- 5OTDefend vs EmberOT
- 6OTDefend vs FactoryTalk Analytics
- 7OTDefend vs Kaspersky Industrial CyberSecurity Platform
- 9OTDefend vs Radiflow iSID
- 10OTDefend vs Claroty xDome
- 11OTDefend vs TXOne EdgeOne
- 12OTDefend vs Claroty CTD
- 13OTDefend vs Dragos Platform
- 14OTDefend vs Rhebo Industrial Protector
- 15OTDefend vs nNetNDR
- 16OTDefend vs Tenable One OT Exposure
- 17OTDefend vs Armis Centrix for OT/IoT Security
OTDefend alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Honeywell Forge | 7.4 | Android, API, iOS, Linux, Mac, Web, Windows | ||
| 2 | NetPol | 7.2 | No | A$200/mo | Linux, Mac, self-hosted, Web, Windows |
| 3 | Nozomi Networks Platform | 7.1 | Free plan | Free | API, Linux, self-hosted, Web |
| 4 | Tenable One Attack Surface Management | 7.1 | Linux, Mac, Web, Windows | ||
| 5 | EmberOT | 6.9 | Free plan | Free | self-hosted |
| 6 | FactoryTalk Analytics | 6.9 | API, Linux, Web, Windows | ||
| 7 | Kaspersky Industrial CyberSecurity Platform | 6.8 | Linux, Web, Windows | ||
| 9 | Radiflow iSID | 6.7 | self-hosted, Web | ||
| 10 | Claroty xDome | 6.6 | API, Web | ||
| 11 | TXOne EdgeOne | 6.6 | API, self-hosted, Web | ||
| 12 | Claroty CTD | 6.5 | self-hosted | ||
| 13 | Dragos Platform | 6.4 | self-hosted, Web | ||
| 14 | Rhebo Industrial Protector | 6.3 | self-hosted | ||
| 15 | nNetNDR | 6.2 | self-hosted | ||
| 16 | Tenable One OT Exposure | 6.1 | Web | ||
| 17 | Armis Centrix for OT/IoT Security | 5.9 | Web |
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Questions about OTDefend alternatives
What is the best alternative to OTDefend?
Honeywell Forge, number 1 in OT and ICS security monitoring software with a score of 7.4 out of 10. The others here: NetPol, Nozomi Networks Platform, Tenable One Attack Surface Management 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 what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.