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Microsoft Defender XDR vs Tanium comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 18, 2026

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 XDR
Ranking in Endpoint Detection and Response (EDR)
7th
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
106
Ranking in other categories
Extended Detection and Response (XDR) (4th), Microsoft Security Suite (5th)
Tanium
Ranking in Endpoint Detection and Response (EDR)
21st
Average Rating
7.8
Reviews Sentiment
6.4
Number of Reviews
20
Ranking in other categories
Server Monitoring (3rd), Vulnerability Management (24th), Endpoint Protection Platform (EPP) (20th), Unified Endpoint Management (UEM) (5th)
 

Mindshare comparison

As of February 2026, in the Endpoint Detection and Response (EDR) category, the mindshare of Microsoft Defender XDR is 2.6%, down from 3.2% compared to the previous year. The mindshare of Tanium is 2.1%, down from 2.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Endpoint Detection and Response (EDR) Market Share Distribution
ProductMarket Share (%)
Microsoft Defender XDR2.6%
Tanium2.1%
Other95.3%
Endpoint Detection and Response (EDR)
 

Featured Reviews

KO
House security operator at Cypress Creek Renewables
Advanced threat hunting saves significant time in tracking and responding to incidents
Microsoft Defender XDR could be improved with a lower price. My main suggestion would essentially be what Copilot is providing, which is a single pane of glass, so I don't have to go to different windows. That's just a workflow consideration for me. It would be great to have all the information centralized into one particular data app. If I need to open up extra ones, I can, however, I would appreciate a future where everything I need is right there on one single pane of glass. Beyond that, there's really nothing else I see that I would want Microsoft to improve.
VK
Infra Vulnarability Manager at Rezilyens
Immediate results in patching promptly address vulnerabilities
When working with Tanium, there are some older devices that haven't been patched for a long time, and certain patches are not included in Tanium. I have to search outside to download patches, create bundles, and then perform the task. It would be easier if Tanium provided the patches directly. Some other brands provide the patch with a direct download link, which facilitates the process. Also, I feel that if there were more detailed documents and remediations readily available online for troubleshooting, especially more up-to-date information, it would be beneficial. Currently, some resources online are very out-of-date.

Quotes from Members

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

Pros

"We are able to consolidate licences and make use of many Microsoft products using this solution. If we have any Microsoft customers, we encourage them to use this solution for enterprise defence."
"The most valuable aspect is undoubtedly the exploration capability"
"The incident threat response and its ability to facilitate effective remediation against threats are the standout features."
"The integration between all the Defender products is the most valuable feature."
"I like how Microsoft XDR and the other Microsoft products are integrated into a single unified security stack covering identity access management, endpoint protection, email, cloud applications, etc."
"The timeline feature is excellent. I also like the phishing simulation. We have phishing campaigns to educate employees and warn them about these threats."
"What I appreciate most about Microsoft Defender XDR is the visibility it provides through a breakdown of incidents that come through."
"We are connected to Microsoft and have every laptop enrolled. This acts as an endpoint. The tool helps me check security and compliance. I can also check what a device is doing."
"When I push a quick update, it's done right away, and I can rescan immediately to confirm completion within minutes."
"Threat hunting is a very good feature on Tanium. We have just started using it and have not used it extensively."
"I'm not so familiar with the tool but I like the interaction of the console to the picture. Patching is the primary model I have been focusing on for the last couple of weeks. So I have created a proof of concept environment and have been checking the available features."
"Tanium's most valuable feature is its instant discovery aspect."
"Tanium has made the process of detecting threats more proactive with its detection. So, the process is easier and more efficient."
"I would say Tanium is the best tool for vulnerability management."
"The solution's technical support is very responsive."
"Tanium’s best features include support for any Windows, Linux, or Mac endpoint, regardless of where it is, and the ability to do IT operations and security operations."
 

Cons

"Some of our older hardware experienced a slight bump in CPU and memory usage. Although I don't have empirical data to back that up, I would suggest possibly more streamlining in the software."
"The licensing process needs improvement and clarification, as it is currently difficult to understand which features are licensed to which users."
"The tool gives inconsistent answers and crashes a lot."
"I personally have not seen much evidence of how Defender can enhance the story of zero trust for enterprises."
"Sometimes, digging into the information and knowing where to go can be difficult. It would be better if much of that information were immediately visible, especially when looking at endpoints or users."
"The capability to not only thwart attacks but also to adapt to evolving threats is crucial."
"This solution could be improved if it included features such as those offered by Malwarebytes."
"The patching capability should be there. Patching is something that you cannot do even though you see the vulnerabilities present in your environment. For patching, you have to depend on another solution."
"Tanium’s scalability could be improved."
"It is not really additional functions, or the features that are needed, rather the complexity would be reduced based on the number of modules required to put together a comprehensive operational security and risk compliance model."
"The solution needs to improve the reporting and tracking capabilities."
"When working with Tanium, there are some older devices that haven't been patched for a long time, and certain patches are not included in Tanium."
"There are some bugs in the product. The tool needs to improve in the area of reporting."
"The solution lacks mobility."
"The performance could improve in future releases. We have had performance issues in specialized web environments, but overall I think the problems are less than 2% of the computer systems being used."
"I would like to have more integrations and custom plugins to input. Integration is always a big deal in a lot of different environments."
 

Pricing and Cost Advice

"The product is fairly priced for what we get from it."
"I would like to have more security features in the lower licenses because not every customer is able to buy E5 licenses. The bundling isn't always easy for our customers to understand. Compared to other tools, it's a good price."
"There are no issues with pricing, but sometimes, the clarity in licensing is a concern."
"Defender XDR is included in the E5 license, but it's a bit too expensive."
"I find the pricing to be quite competitive, especially considering its inclusion in our E5 subscription, which provides a comprehensive set of functionalities."
"We have a lot of problems in Latin America regarding the price of Microsoft 365 Defender, because the relationship between dollars and the money of the different countries, it's is a lot. Many customers that have small businesses say that they would like the solution but it is too expensive. However, large companies do not find the cost an issue."
"We've managed to navigate it effectively through our enterprise agreement, and Microsoft's academic discounts have proven to be quite generous."
"They have moved from a licensing model to pay-per-use... The question is: What happens if, for any reason, there's not enough budget to accept this model? That could be a great problem."
"There is an annual license required to use this solution."
"The solution offers value for money."
"It is higher than some competitors in the market."
"The solution is expensive but it's a good investment."
"Tanium is a more expensive solution in Latin America than some of the competitors, such as BigFix."
"It's an expensive solution. It would be nice if the cost were lower."
"The product's pricing differs from region to region depending on negotiations and the number of endpoints."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Financial Services Firm
9%
Manufacturing Company
8%
Comms Service Provider
7%
Financial Services Firm
15%
Government
10%
Manufacturing Company
9%
Computer Software Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business47
Midsize Enterprise25
Large Enterprise38
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise3
Large Enterprise11
 

Questions from the Community

What do you like most about Microsoft 365 Defender?
Microsoft Defender XDR provides strong identity protection with comprehensive insights into risky user behavior and potential indicators of compromise.
What is your experience regarding pricing and costs for Microsoft 365 Defender?
My experience with pricing, setup, costs, and licensing of Microsoft Defender XDR is tied to our E5 subscription, which is very straightforward for us. We also purchase the uplift for our mobile us...
What needs improvement with Microsoft 365 Defender?
I am not aware of a mobile app that would be available for my team. With a single analyst, if she is ever away, it would be beneficial to have easier access. While she can use the web portal, the e...
What needs improvement with Tanium?
While there is always room for improvement, I am pleased with Tanium.
What is your primary use case for Tanium?
The primary use case for Tanium ( /products/tanium-reviews ) is compliance, patching, and inventory as part of the core functions.
What advice do you have for others considering Tanium?
For smaller companies, Tanium is quite a big investment, and one needs to have a considerable setup to make it economically viable. I would recommend it to others with a similar use case. The solut...
 

Also Known As

Microsoft 365 Defender, Microsoft Threat Protection, MS 365 Defender
Tanium Inc Cloud, Tanium XEM
 

Overview

 

Sample Customers

Accenture, Deloitte, ExxonMobil, General Electric, IBM, Johnson & Johnson and many others.
JPMorgan Chase, eBay, Amazon, US Bank, MetLife, pwc, Cerner, Delphi, MGM Grand, New York Life
Find out what your peers are saying about Microsoft Defender XDR vs. Tanium and other solutions. Updated: December 2025.
881,707 professionals have used our research since 2012.