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Darktrace vs Stellar Cyber Open XDR comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 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

Cortex XDR by Palo Alto Net...
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Ranking in Extended Detection and Response (XDR)
4th
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
112
Ranking in other categories
Endpoint Protection Platform (EPP) (4th), Endpoint Detection and Response (EDR) (6th), Ransomware Protection (2nd), AI-Powered Cybersecurity Platforms (1st)
Darktrace
Ranking in Extended Detection and Response (XDR)
7th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
84
Ranking in other categories
Email Security (10th), Intrusion Detection and Prevention Software (IDPS) (2nd), Network Traffic Analysis (NTA) (1st), Network Detection and Response (NDR) (1st), Cloud Security Posture Management (CSPM) (10th), Cloud-Native Application Protection Platforms (CNAPP) (9th), Attack Surface Management (ASM) (4th), AI-Powered Cybersecurity Platforms (5th), AI Observability (6th)
Stellar Cyber Open XDR
Ranking in Extended Detection and Response (XDR)
38th
Average Rating
0.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
Security Information and Event Management (SIEM) (44th), User Entity Behavior Analytics (UEBA) (27th), Endpoint Detection and Response (EDR) (57th), Network Traffic Analysis (NTA) (16th), Security Orchestration Automation and Response (SOAR) (24th), Network Detection and Response (NDR) (20th), Identity Threat Detection and Response (ITDR) (18th)
 

Mindshare comparison

As of June 2026, in the Extended Detection and Response (XDR) category, the mindshare of Cortex XDR by Palo Alto Networks is 4.6%, down from 5.1% compared to the previous year. The mindshare of Darktrace is 4.5%, down from 7.9% compared to the previous year. The mindshare of Stellar Cyber Open XDR is 2.1%, up from 1.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Extended Detection and Response (XDR) Mindshare Distribution
ProductMindshare (%)
Cortex XDR by Palo Alto Networks4.6%
Darktrace4.5%
Stellar Cyber Open XDR2.1%
Other88.8%
Extended Detection and Response (XDR)
 

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.
AM
Technical Consultant - Unix Platform Services at BITS AND BYTE IT CONSULTING PVT LTD
Consistent threat hunting and anomaly detection deliver valuable insights for network security management
In terms of improvement for Darktrace, pricing is the main concern. Pricing bothers me and this is one of the major factors when choosing a solution. When we get feedback from customers, that's the only felt need. When we factor in Darktrace, we do it only limited. We put it on where the perimeters and connections are, but still, some gray areas are left out, especially if we have multiple branches. We need Darktrace on each branch to get the data out, and I suggest having some kind of a centralized product that gets data from multiple sources to aggregate and provide the data.
Hrishiraj Bhattacharjee - PeerSpot reviewer
Founder & CEO at Team Karimganj
Correlates incidents, allows for quicker identification and helps prioritize investigations
The only challenge is, and that’s where we come into play, it’s a pretty high-tech platform. So, it’s difficult for small and medium-sized organizations to manage it on their own. It’s a very complex system. It requires a lot of expertise. All my guys who work on it have gone through certification from Stellar itself. There are three different certifications that you need to complete. Only then are you certified by Stellar to work on it. It’s a very complex platform. Not everyone can use it. A simple IT engineer or system admin won’t be able to handle it because it’s quite complex. You need to have an understanding of the industry, the subject, and the tool. So, just purchasing this tool or license and then using it on your own would be very difficult to configure and manage on a day-to-day basis. The pricing model is not suitable for small and medium companies, particularly small companies. The minimum pricing model they have is suitable for companies with more than one thousand users. So, if someone has 50 to 100 users, like typical small companies, it’s difficult for them because the cost involved is high. Stellar would charge you for those thousand users, but you do not need all those users. So what are they going to do? I guess Stellar does not want to target small companies directly and maybe relies on resellers and MSPs like us to sell it. So, that is something I would recommend changing. Otherwise, it’s a great tool, but because of the pricing model, small companies are unable to leverage the advantage of this beautiful tool. So, the pricing model should be suitable for small and medium businesses. The product currently has vulnerability monitoring and everything. But if they could also do something about vulnerability management and maybe patch management, that would be nice.

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."
"Cortex XDR by Palo Alto Networks is specifically designed to prevent zero-day attacks and is part of an ecosystem of Palo Alto, providing customers with a long-term vision to modify and redesign how security is applied in their company."
"It collects and caches and the knowledge of machine learning from different customers to take to the cloud, it makes it better to use for everybody, it allows for quick learning and updates and can, therefore, offer zero-day malware security, and this sharing of metadata helps make the solution very safe."
"The multi-layered approach to the product gives you confidence that it will stop exploits, ransomware, worms, or viruses from compromising endpoints, essentially providing peace of mind."
"One of the things that I enjoy the most is using policy extensions. It's like having host firewalls to control USB connections. I think it's a wonderful tool to restrict use when connecting to our computers. Another important tool is Home Insights. That is an add-on to the Cortex solution. I like that because we can see all the vulnerabilities in the environment and control what assets are connected to our network."
"The solution allows control over the user and his machine through Cortex XDR security policies."
"When the pandemic started, Palo Alto came up with many solutions, which helped with the quick shift from on-premises to the cloud."
"It has helped the organization to detect any malware affecting the machines...The network monitoring and the email monitoring features are very valuable for us."
"One thing I appreciate is Antigena Email, which is for email protection."
"The initial setup is simple."
"Darktrace is very stable, and I would rate its stability a ten out of ten."
"Implementing this solution has given us confidence that we are secure."
"The most valuable feature is the endpoint protection."
"DT console and alerting system allow getting detailed information about the behavior of users and malicious external or internal threats."
"The support was fantastic, really good."
"It can integrate with almost any cybersecurity tool available in the market."
"Stellar Cyber Open XDR offers these functionalities at a more affordable price, making it easier for me to position it with price-sensitive customers."
 

Cons

"The playbooks could be improved to include more functionalities or actions."
"It'll help if customization was easier."
"It is an enterprise-level solution. Its price could be less expensive."
"It is not easy to sell Cortex XDR, not because it isn't a good tool. Its marketing needs to be improved."
"Dashboards do not allow everyone to see what's happening."
"The negative aspect I see is the economic model used by Palo Alto."
"Based on our experience so far, its implementation is quite complex."
"There are some false positives."
"The cost of the solution is expensive for smaller businesses."
"I would like to see a feature where the tool ingests information from an anti-malware product that is present at the endpoint."
"The pricing is based on the number of endpoints, so the program is rather expensive."
"They just need to work on their price. In terms of features, we are trying to understand all the features that we have. We're still exploring everything that we have so that we can fully utilize it. At this point in time, it is not about the features. It is more about utilization. We're just trying to utilize everything to full capacity."
"The solution's user interface and stability could be improved."
"My only criticism of the product is that its licensing model isn't flexible."
"As of now, I feel Darktrace can be improved to better detect end device activities, such as laptops or desktops, to bind it with our network."
"With Darktrace, at the moment, I have to almost put in a date and tell them that I want you to give me data from this date to this date."
"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

"We didn't have to pay any additional fee for the cloud instance. It just came with the renewal, which was nice."
"It is "expensive" and flexible."
"I don't recall what the cost was, but it wasn't really that expensive."
"The price of the product is not very economical."
"The cost of Cortex XDR by Palo Alto Networks is $55 to $90 USD per endpoint per month."
"Cortex XDR by Palo Alto Networks 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."
"The price of Darktrace is high and could be reduced. We pay approximately $30,000 to $54,000 annually."
"They are too expensive compared with other vendors."
"It's an expensive solution."
"Darktrace is quite an expensive solution."
"It is expensive. I don't have the price for other competitors."
"I'm unfamiliar with the exact cost, but we have a yearly license and had to pay for Darktrace's services before the deployment. The product is very expensive, so some organizations can't afford to pay the total amount directly, meaning they often seek a partner or pay in installments, which increases the price more."
"It is pretty expensive, but it is worth it. Its licensing is yearly."
"I am using a demo of Darktrace for deployment and testing which is free."
"It’s a single license platform."
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Top Industries

By visitors reading reviews
Construction Company
12%
Financial Services Firm
11%
Comms Service Provider
9%
Manufacturing Company
8%
Manufacturing Company
9%
Financial Services Firm
9%
Computer Software Company
9%
Government
7%
Manufacturing Company
13%
Comms Service Provider
9%
Computer Software Company
8%
Financial Services Firm
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business47
Midsize Enterprise20
Large Enterprise51
By reviewers
Company SizeCount
Small Business44
Midsize Enterprise20
Large Enterprise29
No data available
 

Questions from the Community

Cortex XDR by Palo Alto vs. Sentinel One
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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,...
How does Crowdstrike Falcon compare with Darktrace?
Both of these products perform similarly and have many outstanding attributes. CrowdStrike Falcon offers an amazing u...
Which is better - SentinelOne or Darktrace?
Which solution is better depends on which is more suitable specifically for your company. Darktrace, for example, is ...
What is your experience regarding pricing and costs for Darktrace?
Concerning pricing for the product, I would say it is somewhat expensive.
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
No data available
No data available
 

Overview

 

Sample Customers

CBI Health Group, University Honda, VakifBank
Irwin Mitchell, Open Energi, Wellcome Trust, FirstGroup plc, Virgin Trains, Drax, QUI! Group, DNK, CreaCard, Macrosynergy, Sisley, William Hill plc, Toyota Canada, Royal British Legion, Vitol, Allianz, KKR, AIRBUS, dpd, Billabong, Mclaren Group.
Sumitomo Chemical USA, PlastiPak Packaging, University of Denver, Large California State Agency, Large Midwestern American City
Find out what your peers are saying about Darktrace vs. Stellar Cyber Open XDR and other solutions. Updated: May 2026.
896,942 professionals have used our research since 2012.