# OT and IoT security for enterprise buyers: what AI models recommend, November 2026

Gane Index, November 2026 Edition. Asked as "OT security platform" and as "industrial and IoT device security tool", six framings each, to fourteen models with search on, on behalf of an enterprise B2B company. Added to the November 2026 Edition. Page: https://www.gane.ai/index/it/security/ot-and-iot-security/enterprise

**Standing:** Claroty xDome leads with 36% of first choices; verdict contested. 53 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Claroty xDome](https://www.gane.ai/index/it/vendors/claroty-xdome/index.md) | 36% | 15% | 65 |
| 2 | [Microsoft Defender for IoT](https://www.gane.ai/index/it/vendors/microsoft-defender-for-iot/index.md) | 19% | 12% | 48 |
| 3 | [Nozomi Networks Guardian](https://www.gane.ai/index/it/vendors/nozomi-networks-guardian/index.md) | 11% | 14% | 56 |
| 4 | [Fortinet OT Security Platform](https://www.gane.ai/index/it/vendors/fortinet-ot-security-platform/index.md) | 9% | 4% | 28 |
| 5 | [Armis Centrix](https://www.gane.ai/index/it/vendors/armis-centrix/index.md) | 8% | 18% | 44 |
| 6 | [Dragos Platform](https://www.gane.ai/index/it/vendors/dragos-platform/index.md) | 4% | 20% | 50 |
| 7 | [Palo Alto Networks OT Security](https://www.gane.ai/index/it/vendors/palo-alto-networks-ot-security/index.md) | 4% | 12% | 26 |
| 8 | [Forescout Vistaro Platform](https://www.gane.ai/index/it/vendors/forescout-vistaro-platform/index.md) | 2% | 13% | 23 |
| 13 | [Tenable OT Security](https://www.gane.ai/index/it/vendors/tenable-ot-security/index.md) | 0% | 23% | 22 |

Rank is by share of first choices among all 71 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: Fortinet OT Security Platform; alternatives Claroty xDome, Dragos Platform, Nozomi Networks Guardian, Tenable OT Security
- Gemini 3.5 Flash: Claroty xDome, Nozomi Networks Guardian; alternatives Armis Centrix, Dragos Platform, Fortinet OT Security Platform, Microsoft Defender for IoT
- Perplexity Sonar: Claroty xDome; alternatives Dragos Platform, Nozomi Networks Guardian
- Grok 4.20: Claroty xDome; alternatives Armis Centrix, Dragos Platform, Microsoft Defender for IoT, Nozomi Networks Guardian
- Mistral Small: Claroty xDome, Dragos Platform; alternatives Fortinet OT Security Platform, Seceon's Open Threat Management (OTM) platform with aiSecOT360 and SeraAI
- DeepSeek V4 Flash: Claroty xDome; alternatives Armis Centrix, Dragos Platform, Fortinet OT Security Platform, Microsoft Defender for IoT
- Llama 4 Maverick: Seceon's Open Threat Management (OTM) platform with aiSecOT360 and SeraAI; alternatives Claroty xDome, Dragos Platform, Fortinet OT Security Platform, Nozomi Networks Guardian
- Qwen 3.7 Flash: Claroty xDome, Nozomi Networks Guardian; alternatives Dragos Platform, Indorse Technologies, Tenable OT Security
- Kimi K2: Claroty xDome, Nozomi Networks Guardian, Palo Alto Networks OT Security; alternatives Armis Centrix, Dragos Platform, Fortinet OT Security Platform, Microsoft Defender for IoT
- GLM 4.7 FlashX: Fortinet OT Security Platform; alternatives Armis Centrix, Cisco Industrial Threat Defense, Claroty xDome, Forescout Vistaro Platform
- MiniMax M2.5: Armis Centrix, Fortinet OT Security Platform; alternatives Check Point
- GPT-6 Luna: Claroty xDome; alternatives Dragos Platform, Nozomi Networks Guardian
- Muse Glimmer 30B: Claroty xDome, Nozomi Networks Guardian; alternatives Cisco, Dragos Platform, Fortinet OT Security Platform

## Sources the answers cite

71 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- fortinet.com: 30 answers, 42 citations
- reliamag.com: 29 answers, 29 citations
- guideflow.com: 23 answers, 30 citations
- paloaltonetworks.com: 22 answers, 29 citations
- ciopages.com: 22 answers, 22 citations
- microsoft.com: 17 answers, 21 citations
- qksgroup.com: 15 answers, 18 citations
- github.com: 14 answers, 18 citations

Pages named in the most answers:

- https://reliamag.com/topics/guides/best-industrial-cybersecurity-platforms-ot-ics-security-2026 (29 answers)
- https://ciopages.com/buyer-guides/ot-ics-security (22 answers)
- https://guideflow.com/blog/ot-security-tools (21 answers)
- https://fortinet.com/resources/articles/ot-security-vendors (14 answers)
- https://paloaltonetworks.com/content/dam/pan/en_US/assets/pdf/Omdia-Market-Radar-OT-Cybersecurity-Platforms-2026.pdf (14 answers)
- https://qksgroup.com/blogs/qks-review-ot-security-unveiled-can-vendors-safeguard-our-critical-infrastructure-1281 (14 answers)
- https://securecoding.com/ot-iot/it-ot-security-platforms (14 answers)
- https://startupstash.com/best-ot-ics-security-platforms (14 answers)
- https://securityboulevard.com/2026/10/best-ai-soc-platforms-for-ot-and-iot-security (12 answers)
- https://github.com/ishandutta2007/Awesome-IoT-Device-Security-Management/blob/main/README.md (11 answers)

## Warned against

- Dragos Platform: 10 of 50 labels negative. "What to Avoid ... Claroty, Nozomi Networks, Dragos, Armis—typically quote-based" (GLM 4.7 FlashX, budget prompt)
- Armis Centrix: 8 of 44 labels negative. "What to Avoid ... Claroty, Nozomi Networks, Dragos, Armis—typically quote-based" (GLM 4.7 FlashX, budget prompt)
- Claroty xDome: 10 of 65 labels negative. "What to Avoid ... Claroty, Nozomi Networks, Dragos, Armis—typically quote-based, six-figure enterprise deployments, no public pricing" (GLM 4.7 FlashX, budget prompt)
- Nozomi Networks Guardian: 8 of 56 labels negative. "What to Avoid ... Claroty, Nozomi Networks, Dragos, Armis—typically quote-based" (GLM 4.7 FlashX, budget prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: Claroty xDome at 36%.

- Nozomi Networks Guardian: 22% to 11%, −11. Cleared the floor by 0 points · rank 2 → 3 of 71.
- Fortinet OT Security Platform: 4% to 9%, +5. Inside the floor by 6 points · rank 6 → 4 of 71.
- Dragos Platform: 9% to 4%, −5. Inside the floor by 6 points · rank 4 → 6 of 71.
- Microsoft Defender for IoT: 15% to 19%, +4. Inside the floor by 7 points · rank 3 → 2 of 71.
- Palo Alto Networks OT Security: 0% to 4%, +4. Inside the floor by 7 points · rank 13 → 7 of 71.
- Armis Centrix: 6% to 8%, +2. Inside the floor by 9 points · rank 5 of 71, unchanged.
- Claroty xDome: 35% to 36%, +1. Inside the floor by 10 points · rank 1 of 71, unchanged.
- Forescout Vistaro Platform: 2% to 2%, ±0. Inside the floor by 11 points · rank 7 → 8 of 71.
- Tenable OT Security: 0% to 0%, ±0. Inside the floor by 11 points · rank 12 → 13 of 71.

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/it.