# Microsoft Defender for IoT alternatives: what AI models name instead, October 2026

IT AI Recommendation Index, October 2026 Edition. 164 of the 252 answers in the 1 category where Microsoft Defender for IoT holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://it-ai-index.com/vendors/microsoft-defender-for-iot/alternatives/

## Named instead, most often (every category and segment added)

- Claroty xDome: 31
- Nozomi Networks Guardian: 20
- Dragos Platform: 11
- Fortinet OT Security Platform: 7
- Acreto: 6
- Armis Centrix: 4

## OT and IoT security

**Small business**: 49 of 84 answers did not name Microsoft Defender for IoT (Microsoft Defender for IoT is #1 of 9 at 40%).

- Acreto: first choice in 4 of those 49
- Fortinet OT Security Platform: first choice in 3 of those 49
- Claroty xDome: first choice in 2 of those 49
- Dragos Platform: first choice in 2 of those 49
- Forescout Vistaro Platform: first choice in 2 of those 49
- MetaDefender OT Access: first choice in 2 of those 49
- Nozomi Networks Guardian: first choice in 2 of those 49
- Tenable OT Security: first choice in 2 of those 49

**Mid-market**: 60 of 84 answers did not name Microsoft Defender for IoT (Microsoft Defender for IoT is #1 of 9 at 21%).

- Claroty xDome: first choice in 11 of those 60
- Nozomi Networks Guardian: first choice in 6 of those 60
- Dragos Platform: first choice in 4 of those 60
- Radiflow360: first choice in 3 of those 60
- Acreto: first choice in 2 of those 60
- Fortinet OT Security Platform: first choice in 2 of those 60
- Tenable OT Security: first choice in 2 of those 60
- Armis Centrix: first choice in 1 of those 60

**Enterprise**: 55 of 84 answers did not name Microsoft Defender for IoT (Microsoft Defender for IoT is #3 of 9 at 15%).

- Claroty xDome: first choice in 18 of those 55
- Nozomi Networks Guardian: first choice in 12 of those 55
- Dragos Platform: first choice in 5 of those 55
- Armis Centrix: first choice in 3 of those 55
- Fortinet OT Security Platform: first choice in 2 of those 55
- Check Point Quantum IoT Protect: first choice in 1 of those 55
- Cisco Cyber Vision: first choice in 1 of those 55

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.