IT AI Index
Index Vendors › Microsoft Defender for Endpoint · September 2026 Edition
Microsoft Defender · 5 categories · Ranked

Microsoft Defender for Endpoint

216Judge labels
61First choices
18Negative labels
12 of 12Models named it
5Categories
September 2026 Edition. Every number here is derived from the raw labels under vendor table vv2026-09.2, every buyer segment counted.
Best standing
43% in Endpoint protection for enterprise buyers
Rank 2 of 54 in the mid-market standingaccepted challenger
2 of 12 models made it the first choice on the direct prompt; 11% of its 38 labels there were negative.
By buyer segmentStrongest at enterprise.
In edr · each standing computed within its segment · bars are 0 to 100 · the accent bar is the product's own best reading

Standing by category

Every category where a model named Microsoft Defender for Endpoint for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.
CategoryFunctionShareRankNegative rateLabelsQuadrant
Endpoint detection and responseSecurity operations20%2 of 5411%38accepted challenger
Endpoint protectionIT operations and endpoint18%3 of 995%38accepted challenger
Extended detection and responseSecurity operations0%24 of 610%3under 10 labels · led by Microsoft Defender XDR at 63%
Vulnerability management platformsSecurity operations0%65 of 8050%2under 10 labels · led by Rapid7 InsightVM at 45%
Remote monitoring and managementIT operations and endpoint0%26 of 570%1under 10 labels · led by NinjaOne at 50%

Movement

This is the first edition on this tier, so no move can be computed for Microsoft Defender for Endpoint yet. From the next edition this section shows, per buyer segment, whether its share moved by more than the measured noise floor.

By model

How each model treated Microsoft Defender for Endpoint across every prompt where it was named for a mid-market B2B company. Twelve models, six prompts per category.
ModelFirst choiceAlternativeMentionNegativeLabels
Claude Haiku 4.502305
GPT-5.4 mini51006
Gemini 3.5 Flash12047
Perplexity Sonar03205
Grok 4.1 Fast05016
Mistral Small15208
DeepSeek V4 Flash25018
Llama 4 Maverick21205
Qwen 3.7 Flash460010
Kimi K223106
GLM 4.7 FlashX43018
MiniMax M2.524208

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.
FramingLabels by classFirst choices
Direct44 labels15
Paraphrase42 labels16
Comparative44 labels9not counted in share
Budget-constrained33 labels26
Scale-constrained23 labels4
Negative30 labels2not counted in share
First choiceAlternativeMentionNegative216 labels in all, every segment counted; 61 of the 72 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“try Microsoft Defender for Endpoint first—it is a world-class product—and only pay extra for a third-party vendor if you find a gap it cannot fill.” Qwen 3.7 Flash · Endpoint protection · scale prompt · first choice
“the best EDR platform is usually either Microsoft Defender for Endpoint (Business / P2) – if you already have a Microsoft 365 subscription” GLM 4.7 FlashX · EDR · budget prompt · first choice
“If you're already on Microsoft 365 E5 → Microsoft Defender for Endpoint is the clear winner (included, integrated, and strong).” GLM 4.7 FlashX · Endpoint protection · paraphrase prompt · first choice
“is often the best value because you may already own it... this is the clear winner—enterprise-grade EDR at no incremental cost” Kimi K2 · EDR · budget prompt · first choice

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

“Market leaders like Microsoft Defender for Endpoint (MDE), SentinelOne, and Palo Alto Cortex XDR are highly capable, but they are also incredibly complex.” Gemini 3.5 Flash · EDR · negative prompt · soft negative
“standalone Microsoft Defender for Endpoint (Plan 2) ... operate like a black box that spits out thousands of highly technical alerts” Gemini 3.5 Flash · Endpoint protection · negative prompt · soft negative
“It is a powerful tool, but it is notoriously "noisy." Out of the box, it generates a high volume of alerts that require manual tuning” Gemini 3.5 Flash · EDR · direct prompt · soft negative
“Cautions: Non-Windows agents less mature (macOS kernel issues), higher tuning needed for alert quality, slower MTTR in hybrid setups.” Grok 4.1 Fast · EDR · negative prompt · soft negative

Named alongside

The products named in the same answers as Microsoft Defender for Endpoint, over the 216 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and Microsoft Defender for Endpoint was named but was not.
ProductSame answerTook the first choice insteadHead to head
CrowdStrike Falcon151 of 21651Not in the top three
SentinelOne Singularity142 of 21615Not in the top three
Palo Alto Networks Cortex XDR86 of 2160Not in the top three
Sophos Intercept X67 of 2160Not in the top three
Trend Micro36 of 2160Not in the top three
SentinelOne35 of 2163Not in the top three
CrowdStrike30 of 2165Not in the top three
ESET PROTECT25 of 2163Not in the top three
A head-to-head page exists where both products are in a category's top three. The other rows are the same fact without a page behind them, so they link to the product instead.

What carried it into the answer

The sites and pages cited by the answers that named Microsoft Defender for Endpoint. A fact about retrieval, not a lever on the model.

Citations exist only for the models that return a source list, four of the twelve in this edition, so these counts come from 170 of the 216 answers that named Microsoft Defender for Endpoint and are not a share of its labels.

Domains cited

gbhackers.com118
cybersecuritynews.com75
cyberpress.org62
huntress.com54
gartner.com51
acronis.com46
decryptiondigest.com45
sentinelone.com43
tech-insider.org36
microsoft.comYour site35

530 of the 565 domain citations in answers naming Microsoft Defender for Endpoint came from somebody else's page.

Pages cited

Pages are listed as the models cited them.

Names read as Microsoft Defender for Endpoint

What the judge wrote, as written, with how often. The vendor table decides that these count as Microsoft Defender for Endpoint; a claim can dispute any of them.
Microsoft Defender for Endpoint (MDE) 7Microsoft Defender for Endpoint P2 3Defender for Endpoint 1Microsoft Defender for Endpoint (Business / P2) 1Microsoft Defender for Endpoint (Defender XDR) 1Microsoft Defender for Endpoint (P2) 1Microsoft Defender for Endpoint (Plan 2) 1Microsoft Defender for Endpoint Plan 2 1
Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when Microsoft Defender for Endpoint's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Microsoft Defender for Endpoint, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

It does not get any change to labels, shares or verdicts, any preview, or any say over which quotes appear. A verification link goes to your work email; an address at microsoft.com is approved on the spot, any other address is reviewed by hand.

Your name and company appear on the claimed page, or the company alone if you ask below. A title and a LinkedIn address appear there too if you give them, and are left off if you do not. Your email address is never published.

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