# UnderDefense: how AI models rank it, September 2026

IT AI Recommendation Index, September 2026 Edition. Named in 8 judge labels across 2 categories by 6 of 12 models. Page: https://it-ai-index.com/vendors/underdefense/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Penetration testing as a service | 2% | 7 | 0% | 7 |
| Managed detection and response | 0% | 32 | 0% | 1 |

## What the models said for it

- "consider grey-box testing with a provider like BreachLock, UnderDefense, or Kualitatem" (Claude Haiku 4.5, PTaaS)
- "Mid‑to‑large enterprises with hybrid/multi‑vendor setups; agentic‑AI SOC layered on existing tools." (GLM 4.7 FlashX, MDR)
- "Choose UnderDefense if budget is a primary concern but you still need quality testing" (Kimi K2, PTaaS)
- "repeatedly described as serving SMBs with more affordable or accessible offerings" (Perplexity Sonar, PTaaS)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, September 2026 Edition, it-ai-index.com.