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Vulnerability management platforms · October 2026 Edition

Qualys VMDR vs Microsoft Defender Vulnerability Management

One of fourteen models named Qualys VMDR first on the direct prompt; zero named Microsoft Defender Vulnerability Management. Qualys VMDR was named by fourteen of the fourteen models and Microsoft Defender Vulnerability Management by ten and Qualys VMDR carries 65 labels and Microsoft Defender Vulnerability Management 23, so the shares are not directly comparable.

Qualys VMDR

criticized challenger

Named in one category this edition.

Named in one category this edition.

First-choice share9%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate26%13%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#6A position in a field of 10; printed, not drawn.
Labels6523A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Qualys VMDR reading right to left. Rank and label count are printed, not drawn.Rapid7 InsightVM was named alongside these two in twelve of the fourteen direct answers. Rapid7 InsightVM vs Qualys VMDR · Rapid7 InsightVM vs Microsoft Defender Vulnerability Management · Tenable Vulnerability Management vs Qualys VMDR

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 vulnerability management platforms page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Qualys VMDRFirst choices, of fourteen modelsMicrosoft Defender Vulnerability Management
Direct102 against Qualys VMDR
Paraphrase003 against Qualys VMDR
Comparative601 against Microsoft Defender Vulnerability Management
Budget-constrained223 against Qualys VMDR
Scale-constrained201 against Qualys VMDR
Negative008 against Qualys VMDR · 2 against Microsoft Defender Vulnerability Management
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, Qualys VMDR and Microsoft Defender Vulnerability Management were named in the same answer sixty-three times, of the 179 answers naming Qualys VMDR and the 73 naming Microsoft Defender Vulnerability Management. In those answers Microsoft Defender Vulnerability Management took the first choice nine times and Qualys VMDR twelve.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Qualys VMDR and Microsoft Defender Vulnerability Management 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
Qualys VMDR Microsoft Defender Vulnerability Management first choice named as an alternative argued againstblank: not namedEach cell is one answer, Qualys VMDR on the left and Microsoft Defender Vulnerability Management on the right.

The direct prompt

The plain question, one answer per model, grouped by where Qualys VMDR and Microsoft Defender Vulnerability Management stood in it.

Qualys VMDR first, Microsoft Defender Vulnerability Management an alternative

1 of 14 modelsMicrosoft Defender Vulnerability Management was named in the answer but not as the choice, or not at all.
GLM 4.7 FlashXQualys VMDR alternatives: ManageEngine Vulnerability Manager Plus, Microsoft Defender Vulnerability Management, Tenable Vulnerability Management

Neither was the first choice, one was named

7 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniRapid7 InsightVM alternatives: Qualys VMDR, Tenable Vulnerability Management
Gemini 3.5 FlashSecPod SanerNow, Vicarius vRx alternatives: CrowdStrike Falcon Spotlight, Microsoft Defender Vulnerability Management, Nucleus Security, Rapid7 InsightVM
Perplexity SonarRapid7 InsightVM alternatives: ManageEngine Vulnerability Manager Plus, Microsoft Defender Vulnerability Management, Microsoft Defender for Cloud, Qualys VMDR, Vicarius vRx
Grok 4.1 FastRapid7 InsightVM alternatives: Intruder, ManageEngine Vulnerability Manager Plus, Qualys VMDR, Tenable Vulnerability Management
Qwen 3.7 FlashRapid7 InsightVM alternatives: Qualys VMDR, Tenable Vulnerability Management
Kimi K2Intruder, Rapid7 InsightVM alternatives: Qualys VMDR
GPT-6 LunaTenable Vulnerability Management alternatives: Qualys VMDR, Rapid7 InsightVM

Neither was named

6 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Rapid7 InsightVM alternatives: ManageEngine Vulnerability Manager Plus, Microsoft Defender for Cloud, Tenable Vulnerability Management, Vicarius vRx
Mistral SmallRapid7 InsightVM alternatives: Intruder, ManageEngine Vulnerability Manager Plus, SureCloud
DeepSeek V4 FlashRapid7 InsightVM, Vicarius vRx alternatives: Intruder, Tenable Vulnerability Management
Llama 4 MaverickIntruder alternatives: ManageEngine Vulnerability Manager Plus, Rapid7's Insight platform
MiniMax M2.5Rapid7 InsightVM alternatives: Intruder, Tenable One
Muse Glimmer 30BRapid7 InsightVM alternatives: Intruder, ManageEngine Vulnerability Manager Plus

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
Qualys VMDR leads by four points.
Qualys VMDR4%#8 of 11
Microsoft Defender Vulnerability Management0%#11 of 11
The full small business standing →
Mid-marketThe figures above
Qualys VMDR leads by five points.
Qualys VMDR9%#4 of 10
Microsoft Defender Vulnerability Management4%#6 of 10
The full mid-market standing →
Enterprise
Qualys VMDR leads by twenty-five points.
Qualys VMDR32%#1 of 9
Microsoft Defender Vulnerability Management8%#5 of 9
The full enterprise standing →

What the models said about Qualys VMDR

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

“Full‑featured enterprise tools (Rapid7, Qualys, Tenable.io) without a dedicated security team” GLM 4.7 FlashX · budget prompt · hard negative
“it is frequently cited in user reviews as a platform where you should be cautious due to its high cost, high false positive rates, and poor support” GLM 4.7 FlashX · negative prompt · soft negative
“Qualys VMDR also produces false positive and false negative alerts, making report generation time-consuming, and its interface is complex” Claude Haiku 4.5 · negative prompt · soft negative
“Holistic approach with comprehensive coverage... Best for: Enterprises needing broad asset coverage and real-time insights.” Mistral Small · comparative prompt · first choice
“Qualys VMDR | TruRisk scoring, unified cloud architecture, easy to use | Mid-market looking for a consolidated platform” DeepSeek V4 Flash · scale prompt · first choice
“Tenable, Qualys, and Rapid7 InsightVM remain the three pure-play leaders that buyers should shortlist first” Muse Glimmer 30B · scale prompt · first choice

What the models said about Microsoft Defender Vulnerability Management

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

“Limitations: Feature depth drops outside Windows ecosystem; limited Linux/macOS capabilities” Kimi K2 · comparative prompt · soft negative
“they should not be your *only* vulnerability management platform” Gemini 3.5 Flash · negative prompt · soft negative
“Multi-tenant features are disappointing” DeepSeek V4 Flash · negative prompt · soft negative
“for a tight budget, I'd start with Microsoft Defender Vulnerability Management if you already use Microsoft 365 or Defender” GPT-6 Luna · budget prompt · first choice
“Microsoft Defender Vulnerability Management (free trial / included...) for risk‑based prioritization and remediation” GLM 4.7 FlashX · budget prompt · first choice
“Microsoft-heavy environment: Evaluate Microsoft Defender Vulnerability Management first if you already use Microsoft Defender for Endpoint P2” GPT-6 Luna · 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.