# Barracuda Email Security Gateway: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 4 judge labels across 1 category by 4 of 14 models. Page: https://www.gane.ai/index/it/vendors/barracuda-email-security-gateway

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Email security](https://www.gane.ai/index/it/security/email-security/index.md) | 0% | 87 | 100% | 4 |

## And against it

- "Avoid physical hardware appliances for email filtering; cloud-native or virtualized controls are much safer and faster to patch." (Gemini 3.5 Flash, Email security)
- "Immediate avoidance recommended: Barracuda ESG appliances (due to persistent nation-state targeting)" (Kimi K2, Email security)
- "Barracuda ESG warrants the most caution due to the severe and prolonged compromise." (DeepSeek V4 Flash, Email security)
- "Avoid – Remote code execution possible via malicious email attachments" (GLM 4.7 FlashX, Email security)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 1 | 1 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 1 | 1 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 1 | 1 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 1 | 1 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named Barracuda Email Security Gateway, from 9 of the 9 answers that named it (only the models that return a source list).

### Domains cited

- cisa.gov: 5
- securityboulevard.com: 5
- csa.gov.sg: 4
- nacsa.gov.my: 4
- crn.com: 3
- cyber.gov.au: 3
- fortra.com: 3
- gane.ai/index: 3
- material.security: 3
- trust.barracuda.com: 3 (its own site)

### Pages cited

- https://nacsa.gov.my/advisory_barracuda.php: 4
- https://cisa.gov/news-events/alerts/2023/08/29/cisa-releases-iocs-associated-malicious-barracuda-activity: 3
- https://csa.gov.sg/alerts-and-advisories/alerts/al-2023-167: 3
- https://www.gane.ai/index/it/security/email-security/enterprise: 3
- https://trust.barracuda.com/security/esg-vulnerability: 3
- https://advisories.checkpoint.com/defense/advisories/public/2023/cpai-2023-1417.html: 2
- https://assets.mimecast.com/api/public/content/cost-and-risk-of-email-attacks: 2
- https://checkpoint.com/comparison/best-email-security-companies: 2

## In its own words

What Barracuda Email Security Gateway's own pages state, read 2026-09-28. Stated by the vendor, not checked by the index.

- Positioning: Migrate to the cloud with Email Gateway Defense (https://www.barracuda.com/products/esg-elevate)
- For: Customers using an on-premises email security gateway and Microsoft 365 (https://www.barracuda.com/products/esg-elevate)

## 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.