Best OT and ICS Security Monitoring Software in 2026

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.

17ranked
2free plans on this page
A$200/molowest paid tier
8 Oct 2026last checked

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. 1 Nozomi Networks PlatformFree plan
    • Free to practise on: yes
    • Well documented: yes
    • Runs where you work: no
    7.1easy start
  2. 2 EmberOTFree plan
    • Free to practise on: yes
    • Well documented: yes
    • Runs where you work: no
    7.0easy start
  3. 3 NetPolPaid from A$200/mo
    • Free to practise on: no
    • Free trial: yes
    • Well documented: yes
    • Runs where you work: yes
    7.0easy start
  4. 4 Honeywell Forge
    • Well documented: yes
    • Runs where you work: yes
    6.9easy start
  5. 5 FactoryTalk Analytics
    • Well documented: yes
    • Runs where you work: yes
    6.6easy start
  6. 6 Kaspersky Industrial CyberSecurity Platform
    • Well documented: yes
    • Runs where you work: yes
    6.5easy start
  7. 7 OTDefend
    • Well documented: yes
    • Runs where you work: yes
    6.5easy start
  8. 8 Radiflow iSID
    • Well documented: yes
    • Runs where you work: no
    6.5easy start
  9. 9 Tenable One Attack Surface Management
    • Well documented: yes
    • Runs where you work: yes
    6.5easy start
  10. 10 Claroty CTD
    • Well documented: yes
    • Runs where you work: no
    6.4easy start
  11. 11 Claroty xDome
    • Well documented: yes
    • Runs where you work: no
    6.4easy start
  12. 12 TXOne EdgeOne
    • Well documented: yes
    • Runs where you work: no
    6.4easy start
  13. 13 Dragos Platform
    • Well documented: yes
    • Runs where you work: no
    6.3easy start
  14. 14 nNetNDR
    • Well documented: yes
    • Runs where you work: no
    6.2easy start
  15. 15 Rhebo Industrial Protector
    • Well documented: yes
    • Runs where you work: no
    6.2easy start
  16. 16 Tenable One OT Exposure
    • Well documented: yes
    • Runs where you work: no
    6.0easy start
  17. 17 Armis Centrix for OT/IoT Security
    • Well documented: no
    • Runs where you work: no
    5.8easy start
Compare all 17 in a table
#PlatformScoreFree planPaid fromDeploymentPassive monitoring
1Nozomi Networks Platform7.1Yes
2EmberOT7.0Noon_premisesYes
3NetPol7.0Nohybrid
4Honeywell Forge6.9on_premisesYes
5FactoryTalk Analytics6.6
6Kaspersky Industrial CyberSecurity Platform6.5on_premisesYes
7OTDefend6.5on_premisesYes
8Radiflow iSID6.5hybridYes
9Tenable One Attack Surface Management6.5Yes
10Claroty CTD6.4on_premisesYes
11Claroty xDome6.4cloudYes
12TXOne EdgeOne6.4Yes
13Dragos Platform6.3Yes
14nNetNDR6.2on_premisesYes
15Rhebo Industrial Protector6.2on_premisesYes
16Tenable One OT Exposure6.0Yes
17Armis Centrix for OT/IoT Security5.8Yes

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