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Darktrace vs Stellar Cyber Open XDR comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 28, 2025

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)
7th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
105
Ranking in other categories
Endpoint Protection Platform (EPP) (5th), Endpoint Detection and Response (EDR) (8th), Ransomware Protection (2nd), AI-Powered Cybersecurity Platforms (2nd)
Darktrace
Ranking in Extended Detection and Response (XDR)
6th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
84
Ranking in other categories
Email Security (9th), Intrusion Detection and Prevention Software (IDPS) (2nd), Network Traffic Analysis (NTA) (1st), Network Detection and Response (NDR) (1st), Cloud Security Posture Management (CSPM) (11th), Cloud-Native Application Protection Platforms (CNAPP) (9th), Attack Surface Management (ASM) (4th), AI-Powered Cybersecurity Platforms (4th), AI Observability (9th)
Stellar Cyber Open XDR
Ranking in Extended Detection and Response (XDR)
36th
Average Rating
0.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
Security Information and Event Management (SIEM) (47th), User Entity Behavior Analytics (UEBA) (25th), Endpoint Detection and Response (EDR) (57th), Network Traffic Analysis (NTA) (18th), Security Orchestration Automation and Response (SOAR) (24th), Network Detection and Response (NDR) (20th), Identity Threat Detection and Response (ITDR) (19th)
 

Mindshare comparison

As of February 2026, in the Extended Detection and Response (XDR) category, the mindshare of Cortex XDR by Palo Alto Networks is 4.8%, down from 5.7% compared to the previous year. The mindshare of Darktrace is 5.6%, down from 9.1% compared to the previous year. The mindshare of Stellar Cyber Open XDR is 2.1%, up from 1.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Extended Detection and Response (XDR) Market Share Distribution
ProductMarket Share (%)
Darktrace5.6%
Cortex XDR by Palo Alto Networks4.8%
Stellar Cyber Open XDR2.1%
Other87.5%
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.
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

"Since they've done their most recent update, the ease to isolate endpoints is valuable. If we find one where there is a virus on it, we can easily isolate it. We don't even have to contact the user. We don't have to manually take them off the network. We can easily isolate them."
"The initial setup is easy."
"The tool's use cases are relevant to security."
"I've found the solution to be highly scalable for enterprises."
"The user interface of the solution is sophisticated and straightforward."
"I like the centralized console and the predictive analysis it does of malware. It is very stable and also scalable."
"WildFire AI is the best option for this product."
"Cortex XDR is a simple platform that's easy for administrators and users. You have a lot of flexibility to change or customize the features."
"The platform has many modules, and each module examines a different situation in the behavior."
"It provides a comprehensive, detailed view of network activity and whatever is happening inside it."
"The product offers us a very good user interface and we've found the network visibility to be very good so far."
"Artificial intelligence and machine learning functionalities are valuable."
"It's a very stable product."
"We allow customers to access our Wi-Fi as guests, and some of them were going to restricted sites. Darktrace showed us what they were doing so we could block them."
"The most valuable features are the AI and advanced learning tools that distinguish it from other products."
"The models, triggers, and alerts are customizable."
"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

"While using Cortex, I noticed some aspects that could be improved, such as increasing the synchronization speed between XDR and Xnor."
"It is not a suitable solution if you are looking for a single product with multiple features such as DLP, encryption, rollback, etc."
"The installation should be easier and the Palo Alto pre-sales and sales teams should have more information on the product because they don't know what they are selling."
"I recommend adding a data loss prevention (DLP) solution to Cortex XDR by Palo Alto Networks. The inclusion of this feature would allow the application of DLP policies alongside antivirus policies via a single agent and console, making it more competitive as other OEMs often offer DLP solutions as part of their antivirus products."
"Palo Alto Networks Cortex XDR does not detect malicious activity like in other anti-virus solutions like Trend Micro and Windows with Cisco."
"If they had pulse rate detection, it would be better."
"In general, the price could be more competitive."
"It is not very strong in terms of endpoint management. It should have additional features like DLP, encryption, or advanced device control. Currently, Cortex is good in terms of the security of the endpoints, but it is not as good as other vendors in terms of the management of the endpoint."
"The pricing needs improvement."
"It would be helpful if they could recognize incidents and simplify the customer's challenge to identify what is happening."
"If asked to rate Darktrace support on a scale from zero to ten where ten is the best, I would give them five points."
"It takes time to go through the interface and pick up things. If it were a more straightforward interface, then it would free up time."
"The level of tracking within the network from the transmission level up to the machine level can use improvement."
"The solution's user interface and stability could be improved."
"Updates keep coming, which is great, but I prefer a unified UI experience. The intelligence section and the incident view should be seamlessly connected in one view to avoid jumping between pages."
"In terms of improvements, fine-tuning is the area where we have to spend some time because it works on unsupervised machine learning. It would be good if they can improve their algorithm or technical functionality to reduce the fine-tuning effort. They can also come up with something at the endpoint level. So far, Darktrace has been a network detection response (NDR) solution. It does not offer much at the endpoint level or on user-client devices or servers. There should be more visibility at the endpoint level. It would be good to have the detection and response at the endpoint level by Darktrace. It should also have integration with an agile environment so that we can have continuous development and continuous integration in the application development environment. This is currently not there. It should also have internet-facing platform visibility, which is currently missing. They also need to improve the reporting and management dashboards. Currently, these are not so easy for a non-technical person. All these features would make Darktrace much better, and they would also be helpful in selling more solutions."
"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

"I feel it is fairly priced."
"I don't like that they have different types of licenses."
"It's way too expensive, but security is expensive. You pay for your licensing, and then you pay for someone to monitor the stuff."
"I am using the Community edition."
"Its pricing is kind of in line with its competitors and everybody else out there."
"Cortex XDR's pricing is ok."
"The cost depends on your chosen license type, like Pro or other licenses."
"Cortex XDR by Palo Alto Networks is an expensive solution."
"It is pretty expensive, but it is worth it. Its licensing is yearly."
"The pricing is a little high compared to the competition."
"The cost is moderate."
"The tool's pricing is costly."
"The solution is about $6,000 per quarter."
"Darktrace is pricey, but the price is reasonable for what the solution does, and it's comparable to other products."
"Darktrace is expensive. You can pay for the license yearly."
"Prior to negotiating, Darktrace offered their appliance and service for $80,000 per year."
"It’s a single license platform."
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Top Industries

By visitors reading reviews
Computer Software Company
10%
Financial Services Firm
10%
Manufacturing Company
8%
Government
6%
Computer Software Company
10%
Manufacturing Company
9%
Financial Services Firm
8%
Government
7%
Manufacturing Company
14%
Computer Software Company
10%
Comms Service Provider
9%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business42
Midsize Enterprise21
Large Enterprise47
By reviewers
Company SizeCount
Small Business45
Midsize Enterprise19
Large Enterprise29
No data available
 

Questions from the Community

Cortex XDR by Palo Alto vs. Sentinel One
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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: February 2026.
882,886 professionals have used our research since 2012.