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Attack surface management · October 2026 Edition

Microsoft Defender External Attack Surface Management vs CrowdStrike Falcon Surface

One of fourteen models named Microsoft Defender External Attack Surface Management first on the direct prompt; zero named CrowdStrike Falcon Surface. Microsoft Defender External Attack Surface Management was named by fourteen of the fourteen models and CrowdStrike Falcon Surface by eight and Microsoft Defender External Attack Surface Management carries 39 labels and CrowdStrike Falcon Surface 14, so the shares are not directly comparable.

Named in one category this edition.

CrowdStrike Falcon Surface

accepted challenger

Named in one category this edition.

First-choice share10%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate18%14%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#8A position in a field of 12; printed, not drawn.
Labels3914A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Microsoft Defender External Attack Surface Management reading right to left. Rank and label count are printed, not drawn.Intruder was named alongside these two in thirteen of the fourteen direct answers. Intruder vs Microsoft Defender External Attack Surface Management · Intruder vs CrowdStrike Falcon Surface · Attaxion vs Microsoft Defender External Attack Surface Management

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the attack surface management page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Microsoft Defender External Attack Surface ManagementFirst choices, of fourteen modelsCrowdStrike Falcon Surface
Direct10
Paraphrase20
Comparative001 against Microsoft Defender External Attack Surface Management
Budget-constrained10
Scale-constrained111 against Microsoft Defender External Attack Surface Management · 1 against CrowdStrike Falcon Surface
Negative005 against Microsoft Defender External Attack Surface Management · 1 against CrowdStrike Falcon Surface
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the October 2026 Edition, Microsoft Defender External Attack Surface Management and CrowdStrike Falcon Surface were named in the same answer thirty-six times, of the 116 answers naming Microsoft Defender External Attack Surface Management and the 42 naming CrowdStrike Falcon Surface. In those answers CrowdStrike Falcon Surface took the first choice one time and Microsoft Defender External Attack Surface Management three.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Microsoft Defender External Attack Surface Management and CrowdStrike Falcon Surface stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Microsoft Defender External Attack Surface Management CrowdStrike Falcon Surface first choice named as an alternative argued againstblank: not namedEach cell is one answer, Microsoft Defender External Attack Surface Management on the left and CrowdStrike Falcon Surface on the right.

The direct prompt

The plain question, one answer per model, grouped by where Microsoft Defender External Attack Surface Management and CrowdStrike Falcon Surface stood in it.

Microsoft Defender External Attack Surface Management first, CrowdStrike Falcon Surface not the choice

1 of 14 modelsCrowdStrike Falcon Surface was named in the answer but not as the choice, or not at all.
GPT-6 LunaMicrosoft Defender External Attack Surface Management alternatives: Censys ASM, CrowdStrike Falcon Exposure Management, Rapid7 Surface Command

Neither was the first choice, one was named

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniUpGuard BreachSight alternatives: CyCognito, Intruder, Microsoft Defender External Attack Surface Management, Tenable Attack Surface Management
DeepSeek V4 FlashIntruder alternatives: Censys ASM, CrowdStrike Falcon Surface, CyCognito, Microsoft Defender External Attack Surface Management
Kimi K2Intruder alternatives: Detectify, Microsoft Defender External Attack Surface Management, UpGuard BreachSight

Neither was named

10 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5CyCognito alternatives: Hadrian, Halo Security, Intruder
Gemini 3.5 FlashIntruder alternatives: Detectify, UpGuard BreachSight, runZero
Perplexity SonarIntruder alternatives: Cortex Xpanse, Mandiant Attack Surface Management, UpGuard BreachSight
Grok 4.1 FastIntruder alternatives: Bitsight, Qualys CyberSecurity Asset Management, Rapid7 Surface Command
Mistral SmallIntruder alternatives: Bitsight, Detectify
Llama 4 MaverickIntruder alternatives: Bitsight, Qualys
Qwen 3.7 FlashIntruder alternatives: Rapid7
GLM 4.7 FlashXIntruder alternatives: CyCognito, UpGuard BreachSight
MiniMax M2.5CyCognito, Intruder alternatives: Mandiant Attack Surface Management
Muse Glimmer 30BIntruder, UpGuard BreachSight alternatives: Attaxion, Halo Security

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Microsoft Defender External Attack Surface Management leads by two points.
Microsoft Defender External Attack Surface Management2%#10 of 13
CrowdStrike Falcon Surface0%#– of 13
The full small business standing →
Mid-marketThe figures above
Microsoft Defender External Attack Surface Management leads by eight points.
Microsoft Defender External Attack Surface Management10%#3 of 12
CrowdStrike Falcon Surface2%#8 of 12
The full mid-market standing →
Enterprise
Microsoft Defender External Attack Surface Management leads by thirteen points.
Microsoft Defender External Attack Surface Management16%#2 of 9
CrowdStrike Falcon Surface4%#6 of 9
The full enterprise standing →

What the models said about Microsoft Defender External Attack Surface Management

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Microsoft’s native ASM is described as tightly integrated with Defender and Azure, so it may be less suitable if you need broad multi-cloud, SaaS, or heterogeneous coverage” Perplexity Sonar · negative prompt · soft negative
“integrates deeply with Microsoft/Sentinel/Defender; limited third-party integration for non-Microsoft environments.” DeepSeek V4 Flash · negative prompt · soft negative
“while Microsoft Defender EASM is excellent at passive discovery, its active vulnerability scanning can be lacking” Gemini 3.5 Flash · negative prompt · soft negative
“the best attack surface management (ASM) platform is Microsoft Defender External Attack Surface Management (EASM) if you already use Microsoft 365/E5” GLM 4.7 FlashX · budget prompt · first choice
“I'd generally recommend Microsoft Defender External Attack Surface Management as the first tool to evaluate” GPT-5.4 mini · paraphrase prompt · first choice
“I'd start with Microsoft Defender EASM—especially if you already use Azure or Microsoft security tools.” GPT-6 Luna · direct prompt · first choice

What the models said about CrowdStrike Falcon Surface

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“note that these can be highly enterprise-focused and expensive if bought as standalone products” Gemini 3.5 Flash · scale prompt · soft negative
“forcing your ASM into the Palo Alto or CrowdStrike console may create blind spots” Qwen 3.7 Flash · negative prompt · soft negative
“CyCognito, CrowdStrike Falcon Surface, and Microsoft Defender EASM are strong starting points” DeepSeek V4 Flash · scale prompt · first choice
“Best For: Maturity-driven programs that want to know not just what is exposed, but what is currently being attacked.” Qwen 3.7 Flash · comparative prompt · alternative
“If you already use Falcon for endpoint security (EDR), Falcon Surface provides a great outside-in view” Gemini 3.5 Flash · paraphrase prompt · alternative
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.