Index › IT › Products › Microsoft Defender for Office 365 · November 2026 Edition
3 categories · Ranked

Microsoft Defender for Office 365

Microsoft Defender for Office 365 is an email security product that protects Exchange Online mailboxes and is also available as an add-on for on-premises Exchange mailboxes · microsoft.com ↗

#1Best rank (mid-market)
14/14Models named it
58First choices
11Warnings
November 2026 Edition · all company sizes counted.
Ranked inEmail security #1 mid-marketClient-side protection #81DNS filtering #32
What AI models recommend in email security

Leads at mid-market. Ranked 2 of 74 for enterprise buyers.

The standing depends on who is buying. Every model is asked the same questions for each company size.

Why models recommend it

“Integrated cloud-native solutions: Microsoft Defender for Office 365, Google Workspace security (native integration, no MX changes)”Kimi K2 · Negative question · first choice
“Best for Microsoft 365 Users: Microsoft Defender for Office 365 (Plan 1) ... often the cheapest path to enterprise-grade features”Gemini 3.5 Flash · Budget-constrained question · first choice
“If I had to pick one default answer: Microsoft Defender for Office 365 if you're Microsoft-centric and want the least friction.”GPT-5.4 mini · Direct question · first choice
“Microsoft Defender for Office 365 is a recommended phishing and email threat protection tool for a mid-sized B2B company”Llama 4 Maverick · Paraphrase question · first choice

What gives them pause

“Microsoft 365 users experience 3x more email-related incidents than Google Workspace users”Grok 4.20 · Negative question · warning
“Good value, but many orgs find native M365 needs supplementing.”DeepSeek V4 Flash · Scale-constrained question · warning

Also on the shortlist

The products named in the same answers as Microsoft Defender for Office 365, over the 193 answers that named it, and how often each was the first choice instead.

What the models named instead of Microsoft Defender for Office 365 →

A side-by-side page exists where both products are among a category's top eight.

At a glance

Stated on Microsoft Defender for Office 365's own site, not checked by Gane.

For
Kunden mit lokalen Postfächern
Price stated
€0.87 потребител/месец, годишно плащане
Starting price
€0.87
Free plan or trial
Изпробвайте сега
Hosting
réseau mondial de centres de données
Visit microsoft.com ↗

How this is measured

Fourteen AI models from 12 labs are asked the same buying questions six ways, for three company sizes. Standings refresh every edition.

Gane sells AI visibility software. No company can pay to change a result.

Read the method →

Sources returned with these answers

The sites and pages the answers that named Microsoft Defender for Office 365 came back with. A fact about retrieval, not a cause of the answer.

Fourteen of the fourteen models returned a source list in this edition: five return the pages they cited and nine the search results they consulted. These counts come from 166 of the 193 answers that named Microsoft Defender for Office 365 and are not a share of its labels.

Domains cited

microsoft.comIts own site74
g2.com65
huntress.com64
checkpoint.com61
proofpoint.com48
softwareadvice.com41
securityboulevard.com37
expertinsights.com35
costbench.com29
mimecast.com28

408 of the 482 domain citations in answers naming Microsoft Defender for Office 365 came from a third party's page.

Pages cited

Pages are listed as the models cited them.

By model

How each model answered on Microsoft Defender for Office 365 across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.
ModelFirst choiceAlternativeMentionWarningLabels
Claude Haiku 4.511204
GPT-5.4 mini31105
Gemini 3.5 Flash15006
Perplexity Sonar31105
Grok 4.2040015
Mistral Small20204
DeepSeek V4 Flash23016
Llama 4 Maverick21205
Qwen 3.7 Flash13004
Kimi K223106
GLM 4.7 FlashX30104
MiniMax M2.520103
GPT-6 Luna31004
Muse Glimmer 30B13004