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Microsoft Defender for Office 365 vs VMRay comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Microsoft Defender for Offi...
Ranking in Advanced Threat Protection (ATP)
2nd
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
60
Ranking in other categories
Email Archiving (1st), Email Security (1st), Microsoft Security Suite (10th), Secure Email Gateway (SEG) (1st)
VMRay
Ranking in Advanced Threat Protection (ATP)
29th
Average Rating
5.0
Reviews Sentiment
7.0
Number of Reviews
1
Ranking in other categories
Anti-Malware Tools (31st)
 

Mindshare comparison

As of January 2026, in the Advanced Threat Protection (ATP) category, the mindshare of Microsoft Defender for Office 365 is 9.7%, down from 16.8% compared to the previous year. The mindshare of VMRay is 0.9%, up from 0.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Advanced Threat Protection (ATP) Market Share Distribution
ProductMarket Share (%)
Microsoft Defender for Office 3659.7%
VMRay0.9%
Other89.4%
Advanced Threat Protection (ATP)
 

Featured Reviews

Emeka Ndulu - PeerSpot reviewer
Cloud Solutions Architect at a tech services company with 201-500 employees
Improves threat visibility and response while reducing manual tasks and training users against phishing
I appreciate the attack simulation feature whereby I get to train users and educate them on how to identify phishing emails and spam emails, as well as the anti-spam protection. It gives me visibility into my threat environment and threat landscape to ensure that I am one step ahead of any likelihood of threats within my environment. I get to detect it and respond, so the threat intelligence is very effective. Microsoft security solutions save my time. It saves money because once I protect my environment, I don't lose money. It has decreased my detection time and my time to respond.
GC
Pre-Sales at Frux
Has a valuable IP tracing feature, but is an expensive solution
We use this solution for authorization and more on the false positive verification IP tracing is the most valuable feature. The technical support needs improvement.  I have been using VMRay for two and a half years. The technical support team is not good.  Negative The initial setup is…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"It gives me visibility into my threat environment and threat landscape to ensure that I am one step ahead of any likelihood of threats within my environment."
"My experience with customer support and technical support for Microsoft Defender for Office 365 has been excellent."
"I would say that 90% of the spam and phishing attack emails get blocked right off the bat."
"The product is not resource-intensive."
"The benefit that stands out to me is the ability for multiple individuals to collaborate simultaneously within the same document. Additionally, there is the option to save the document directly in the integrated OneDrive or SharePoint."
"The good part is that you don't have to configure it, which is very convenient."
"The DLP feature of Microsoft Defender for Office 365 is valuable, and we also use the DLP feature for email real-time detection."
"The feature of Microsoft Defender for Office 365 that I like the most is probably the email features specifically, because those are the ones that a typical end user will accidentally click on a link not knowing what it is, and it'll catch it, and then it'll feed it over to Defender and stop the attack from happening before it actually can."
"IP tracing is the most valuable feature."
 

Cons

"There is room for improvement in terms of reporting."
"Microsoft Defender for Office 365's Mac functionality requires improvement to deliver the same level of protection found on Windows devices."
"About eight months ago, we started to measure the quantity of phishing and spam that we have been receiving, and it has been increasing a lot. That means that protection for our email is not as good as we were expecting."
"Several simulation options are available within 365, and the phishing simulation could be better."
"You should be able to deploy Defender for every subscription without the need to add servers."
"The inbuilt analysis of false positives can be faster. It's not slow, but it can be faster."
"Sometimes, phishing emails manage to pass through the filter, so the system needs to enhance its phishing email detection capabilities."
"To improve Microsoft Defender for Office 365, it would be nice to have more accessibility for users to see on their end what they are doing that could cause a threat."
"The technical support needs improvement."
 

Pricing and Cost Advice

"I know that the product is incredibly expensive."
"The pricing is normal. Considering its popularity, it's not overpriced."
"Defender for 365 comes in various plans and licenses, along with other Microsoft security solutions. Purchasing this kind of package or security bundle gives good value for money, and that's what I recommend."
"For licensing, it's usually a yearly package for customers who are subscribed to Office 365, but they can also pay on a monthly basis."
"Microsoft Defender for Office 365 comes with Microsoft Windows. It is free with the operating system."
"Microsoft Defender for Office 365 is an add-on to the Office license. Many customers are purchasing this solution."
"For large enterprise organizations, they can definitely afford it, but for small and medium organizations, they might struggle to cover the expenses."
"It is much more expensive than using another solution because we have had to include some options and upgrade our license."
"The solution is overly priced."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
8%
Manufacturing Company
8%
Comms Service Provider
6%
Financial Services Firm
15%
Manufacturing Company
9%
Government
8%
Computer Software Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business23
Midsize Enterprise10
Large Enterprise31
No data available
 

Questions from the Community

What needs improvement with Microsoft Defender for Office 365?
The inbuilt analysis of false positives can be faster. It's not slow, but it can be faster.
What is your primary use case for Microsoft Defender for Office 365?
My use case for Microsoft Defender for Office 365 is for email protection, safe links, protection of links, documents, protecting my documents, and protecting attachments. I also use it to conduct ...
What needs improvement with VMRay?
The technical support needs improvement.
What is your primary use case for VMRay?
We use this solution for authorization and more on the false positive verification.
 

Also Known As

MS Defender for Office 365
No data available
 

Overview

 

Sample Customers

Microsoft Defender for Office 365 is trusted by companies such as Ithaca College.
National Bank of Canada, Carbon Black, Cloudmark, Cyberint, Expel, G Data Advanced Analytics, Jisc
Find out what your peers are saying about Palo Alto Networks, Microsoft, Proofpoint and others in Advanced Threat Protection (ATP). Updated: December 2025.
881,082 professionals have used our research since 2012.