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Microsoft Defender for Endpoint vs Stellar Cyber Open XDR comparison

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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

Cortex XDR by Palo Alto Net...
Sponsored
Ranking in Endpoint Detection and Response (EDR)
5th
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
118
Ranking in other categories
Endpoint Protection Platform (EPP) (4th), Extended Detection and Response (XDR) (4th), Ransomware Protection (2nd), AI-Powered Cybersecurity Platforms (1st)
Microsoft Defender for Endp...
Ranking in Endpoint Detection and Response (EDR)
3rd
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
212
Ranking in other categories
Endpoint Protection Platform (EPP) (1st), Advanced Threat Protection (ATP) (4th), Anti-Malware Tools (1st), Microsoft Security Suite (3rd)
Stellar Cyber Open XDR
Ranking in Endpoint Detection and Response (EDR)
55th
Average Rating
0.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
Security Information and Event Management (SIEM) (42nd), User Entity Behavior Analytics (UEBA) (29th), Network Traffic Analysis (NTA) (18th), Security Orchestration Automation and Response (SOAR) (25th), Network Detection and Response (NDR) (21st), Extended Detection and Response (XDR) (34th), Identity Threat Detection and Response (ITDR) (23rd)
 

Mindshare comparison

As of September 2026, in the Endpoint Detection and Response (EDR) category, the mindshare of Cortex XDR by Palo Alto Networks is 3.6%, down from 3.9% compared to the previous year. The mindshare of Microsoft Defender for Endpoint is 5.5%, down from 9.9% compared to the previous year. The mindshare of Stellar Cyber Open XDR is 1.0%, up from 0.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Endpoint Detection and Response (EDR) Mindshare Distribution
ProductMindshare (%)
Microsoft Defender for Endpoint5.5%
Cortex XDR by Palo Alto Networks3.6%
Stellar Cyber Open XDR1.0%
Other89.9%
Endpoint Detection and Response (EDR)
 

Featured Reviews

ABHISHEK_SINGH - PeerSpot reviewer
Senior Process Expert at A.P. Moller - Maersk
Gained full visibility and streamlined threat detection through behavior-based insights and AI integration
Initially, we got to have a lot of false positives when we onboarded, but nowadays it's quite smooth. We have fine-tuned our security policies and allowed different levels of policies to get rid of those false positives. Currently, we are getting a fairly good amount of incidents that are not false positives or benign, but actionable items. The process is streamlined. In the initial days, the operations used to get involved in a lot of benign and other activities, but now the process is streamlined. We are leveraging the auto-detection and remediation plans. The operations teams are now more involved in other business roles as well, not just looking into the logs and fetching out what's happening there. They have fixed a lot of things. Initially, they didn't have IAC code drift detection, cloud posture management, or security posture management, but they have those now. They purchased different vendors and did a merger with that. They have now Prisma Cloud that gets integrated and now they are working with Cortex Cloud. Everything that was negative has now been addressed, and the product altogether looks to be in a very better and mature shape now. Currently, it's more or less detecting the workloads with AI-based best practices. Since most organizations are consuming AI agents and other things, we are looking forward to seeing what other feature enhancements Palo Alto can support in that.
Robert Arbuckle - PeerSpot reviewer
Security Analyst III at a healthcare company with 10,001+ employees
Automatically isolates threats and integrates with logging to reduce response time
Overall, I would evaluate the Microsoft support level that I receive at probably about a seven, but that depends on the day. It has been spotty. We have had issues where the urgency level of the Microsoft support is not as high as ours, especially during a data breach or potential data breach situation. We have had issues with some of the offshore support being lackluster. One specific thing that comes to mind is we were on a support call with our CISO on the call, and the Microsoft agent, who did not actually work for Microsoft, is one of the vendors that Microsoft uses for support, said, "Just to set expectations, my lunch break is in an hour and I am going to go away then." For us, it was already ten o'clock at night and we had been working on this for a couple of hours, trying to get a security engineer on with us. For him to tell us that he was going to go away and have lunch, it was, "Okay, but go find somebody else if you need to." It was just the lackluster approach, and it seemed like he did not really care. We seem to get a lot of this when we get non-Microsoft support. I can identify areas for improvement with Microsoft Defender for Endpoint, as it is kind of a convoluted mess to try to take care of false positives. Especially when they have been identified as false positives but they keep going off over and over again. It is great for my pocketbook because it generates a lot of on-call action, but I would really prefer more sleep at two o'clock in the morning than dealing with false positives. I would say that the unified portal for managing Microsoft Defender for Endpoint is suitable for both teams as they are all in there. It would be great if they would stop moving things around and renaming things, which makes sense. The new XDR portal is pretty nice. Being able to have it central again inside of the regular Security Center without having to open up two windows is helpful. Overall, I think it is pretty good. There is always going to be something that could be improved, such as alerting and the ability to modify alerts would be a little bit helpful to have. Being able to add more data into the alerts and turn off alerts that are not as useful would be beneficial. It is hard to say what the quantitative impact the security exposure management feature has had on our company's security, because a lot of it is kind of subjective. I think we are sitting at around a fifty percent score still, and a lot of it is just kind of unusual circumstances that we cannot really implement without breaking the organization.
JC
Global Director, Commercial Operations at Promasecure LLC
Automated security monitoring increases efficiency, but market visibility needs improvement
I am currently evaluating Stellar Cyber Open XDR in terms of their support. I do not see any major areas for improvement as of now. Their support is good, and the team is small, enabling them to cater to everyone effectively. While I have not encountered significant drawbacks so far, market penetration is challenging due to the product's newness, despite its flexibility and customization features. I find their user interface to be quite good.

Quotes from Members

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

Pros

"The scalability of Cortex XDR by Palo Alto Networks is very good."
"I can highlight that we have not faced any security incidents with Cortex XDR by Palo Alto Networks, and even though our environment is quite dynamic, we have not faced any security incident with Cortex XDR by Palo Alto Networks until now."
"Stability is one of the features we like the most."
"In one single alert, we are getting the network telemetry, endpoint telemetry, email security telemetry, and proxy telemetry all in one single ticket, making it very easy."
"This software helps us understand any issues that may arise when someone is not at work."
"But overall, when we speak about security and protection, they are one of the top providers."
"I generally believe that Cortex XDR by Palo Alto Networks is probably the best in the market right now."
"The most valuable for us is the correlation feature."
"The most important and the most relevant features of Defender for Endpoint are the malware and ransomware protection."
"The comprehensiveness of Microsoft threat-protection products is great... Today, Microsoft Sentinel by itself is a leading Gartner SIEM tool. It has advantages over competitors because of the ability to integrate with Microsoft solutions and automate continuous monitoring of Microsoft AD and Office 365 data."
"What the Defender platform does is that it reduces the size of the haystack, and it'll say that the needle is over here."
"The initial setup is not difficult or complex; it's very simple and straightforward."
"Updates and upgrades are quite smooth and seamless."
"I like that Defender is integrated and doesn't have a third-party payload trying to advertise subscription renewal."
"In terms of the installation, ease of use, and user interface, Defender has been great so far."
"I am using it for very simple purposes. It is perfect and quite effective. I have been using it for a while, and I have never had any virus infection, data leak, or other security breaches. It works fine for standalone purposes. If you log on to OneDrive, it has ransomware protection."
"Stellar Cyber Open XDR offers these functionalities at a more affordable price, making it easier for me to position it with price-sensitive customers."
"It can integrate with almost any cybersecurity tool available in the market."
 

Cons

"If they had pulse rate detection, it would be better."
"Previously, the endpoint would leave the environment, not being on our VPN, essentially unable to interact with the server to upload files. It was unable to retrieve new file verdicts. It was using a thing called "local analysis" to determine if something was a malicious file or not. There was no dynamic analysis."
"It's very time-consuming to log support issues and the people that answer the tickets aren't very knowledgeable."
"There are some default policies which sometimes affect our applications and cause them to run around."
"The connection to the internet has not performed as expected."
"When it comes to core analysis, and security analysis, Cortex needs to provide more information."
"It tends to do 99.9% of things. The only thing I'd like is single sign-on authentication into their cloud platform so that my users can be properly authenticated against it."
"The price could be a little lower."
"Other vendors provide a lot of customization when it comes to integration, which every big organization requires. No big organization depends on one particular tool. Defender lacks that at this point."
"The solution needs to improve its ransomware. It's not so good. It could also use some general performance optimization for the computers the solution operates on, to ensure it does not slow down the devices."
"I would like to see better integration with their other security products to give better visibility from a higher level."
"The file scanning has room for improvement."
"The solution could improve by providing more integration."
"I would like the solution to be able to prevent unauthorized programs from installing and to block unauthorised URLs which is similar to web filtering product."
"The system can always be simplified and have a better integration check. More detailed reports would be good. When it does the integrated check, it just shows if the system is okay but I want to know what happened."
"The price, in general, could always be a little bit cheaper."
"I would rate the stability at about five to six. The platform requires some fine-tuning, especially when integrating data sources and creating connectors."
"Support is an issue because they have a limited number of resources."
 

Pricing and Cost Advice

"Cortex XDR by Palo Alto Networks is an expensive solution."
"If one wishes to work with another team or large number of users at a future point, he must purchase a license for them."
"The price is on the higher side, but it's okay."
"Traps pays for itself within the first 16 months of a three-year subscription. This is attributed to OPEX savings, as security teams spent less time trying to identify and isolate malware for analysis as a result of a reduction in malware incidents, false positives, and breach avoidance."
"The price of the solution is high for the license and in general."
"This is an expensive solution."
"I don't have any issues with the pricing. We are satisfied with the price."
"The pricing seems fair, and I do like the licensing model. You use wherever they are, and it is elastic."
"This solution is part of Windows and comes included with it."
"I don't know the standalone costs. It is my understanding that the M365 E5 is $56 a month or something close to that pricing. That would be for the full suite. Just Defender might be $8 a month. I can't say for sure."
"The solution comes as a part of Windows 10 and it is covered under its license."
"The E5 license is the one that I recommend because it comes with Cloud App Security, which is a good thing to have on top of Microsoft Defender."
"We have seen ROI. Most of the other competing alternatives will cost up to around $30 per user device. We average 400 devices. Therefore, the amount that we save each year is 400 times $30."
"Even if you are not registered as a not-for-profit, the offering that they have is definitely worth consideration. This is in the sense that the E5 stack just gives you so many benefits. You get your entire productivity suite through Microsoft 365 apps. You get all your security and identity protection. You get the Defender for Endpoint and Defender for Identity. You get the cloud access security broker as well. You get Azure Active Directory Premium P2, which gives you so many good things that you can configure and deploy. You don't have to configure them on day one, but you have access to so many different tools that will protect your data, security, endpoints, and identities that you could build out a security strategy 18 months long, and slowly work your way through it, based on what you have available to you through your license."
"You just pay Windows 10 prices, then you have antivirus software. As a price comparison, Defender's costs are very low."
"Most people don't realize M365/E5 licenses are an amazing deal. They think "Oh, it's expensive," and I'll ask, "Compared to what?" If you don't have it you will have to buy licenses for multiple products to fill the same security space that you would have gotten with the Microsoft product. Go figure out how much it costs you per product, per user, and then come back and tell me how things add up financially."
"It’s a single license platform."
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Top Industries

By visitors reading reviews
Outsourcing Company
12%
Comms Service Provider
12%
Construction Company
11%
Financial Services Firm
9%
Manufacturing Company
10%
Financial Services Firm
9%
Comms Service Provider
8%
Computer Software Company
8%
Manufacturing Company
14%
Comms Service Provider
10%
Outsourcing Company
9%
Financial Services Firm
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business47
Midsize Enterprise21
Large Enterprise55
By reviewers
Company SizeCount
Small Business82
Midsize Enterprise44
Large Enterprise97
No data available
 

Questions from the Community

Cortex XDR by Palo Alto vs. Sentinel One
Cortex XDR by Palo Alto vs. SentinelOne SentinelOne offers very detailed specifics with regard to risks or attacks. ...
Comparing CrowdStrike Falcon to Cortex XDR (Palo Alto)
Cortex XDR by Palo Alto vs. CrowdStrike Falcon Both Cortex XDR and Crowd Strike Falcon offer cloud-based solutions th...
How is Cortex XDR compared with Microsoft Defender?
Microsoft Defender for Endpoint is a cloud-delivered endpoint security solution. The tool reduces the attack surface,...
Which offers better endpoint security - Symantec or Microsoft Defender?
We use Symantec because we do not use MS Enterprise products, but in my opinion, Microsoft Defender is a superior sol...
How does Microsoft Defender for Endpoint compare with Crowdstrike Falcon?
The CrowdStrike solution delivers a lot of information about incidents. It has a very light sensor that will never pu...
What is your experience regarding pricing and costs for Microsoft Defender for Endpoint?
We have been discussing pricing, setup cost, and licensing, and we are currently on an E3. We are discussing going to...
What is your experience regarding pricing and costs for Stellar Cyber Open XDR?
Pricing is a major benefit of Stellar Cyber Open XDR. I rate it between three and four on the cost scale. It offers f...
What needs improvement with Stellar Cyber Open XDR?
I am currently evaluating Stellar Cyber Open XDR in terms of their support. I do not see any major areas for improvem...
What is your primary use case for Stellar Cyber Open XDR?
I use Stellar Cyber Open XDR ( /products/stellar-cyber-open-xdr-reviews ) as a 24/7 security monitoring tool, especia...
 

Also Known As

Cyvera, Cortex XDR, Palo Alto Networks Traps
Microsoft Defender ATP, Microsoft Defender Advanced Threat Protection, MS Defender for Endpoint, Microsoft Defender Antivirus
No data available
 

Interactive Demo

Demo not available
Demo not available
 

Overview

 

Sample Customers

CBI Health Group, University Honda, VakifBank
Petrofrac, Metro CSG, Christus Health
Sumitomo Chemical USA, PlastiPak Packaging, University of Denver, Large California State Agency, Large Midwestern American City
Find out what your peers are saying about Microsoft Defender for Endpoint vs. Stellar Cyber Open XDR and other solutions. Updated: September 2026.
913,924 professionals have used our research since 2012.