# Microsoft Defender External Attack Surface Management: how AI models rank it, September 2026

IT AI Recommendation Index, September 2026 Edition. Named in 30 judge labels across 1 categories by 12 of 12 models. Page: https://it-ai-index.com/vendors/microsoft-defender-external-attack-surface-management/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Attack surface management | 2% | 5 | 23% | 30 |

## What the models said for it

- "For the most budget-friendly options, consider Microsoft Defender EASM, Intruder, or Rapid7 InsightVM." (Mistral Small, ASM)
- "Best for enterprises already using Microsoft security tools, providing expansive mapping and data richness." (Mistral Small, ASM)
- "If you're a Microsoft/Azure shop, deeply integrated | ~$0.011/asset/day — cost-effective at your scale" (DeepSeek V4 Flash, ASM)
- "from ~$2/user/month if you're already a Microsoft shop (a very cheap add-on for Defender customers)" (DeepSeek V4 Flash, ASM)

## And against it

- "Verdict: Avoid if your environment isn't heavily Azure-centric. Be cautious even if it is, due to the false-positive workload." (DeepSeek V4 Flash, ASM)
- "users often report that it is incredibly noisy and difficult to manage without a dedicated Microsoft-certified engineer" (Gemini 3.5 Flash, ASM)
- "Avoid if: Not deep in Microsoft ecosystem. Gartner notes it's "complex like most MS products."" (Grok 4.1 Fast, ASM)
- "are overkill: $50k+ annually, complex sales cycles, better for 1,000+ employee firms" (Grok 4.1 Fast, ASM)

## 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.