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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
6.7
Number of Reviews
118
Ranking in other categories
Endpoint Protection Platform (EPP) (4th), Endpoint Detection and Response (EDR) (5th), Ransomware Protection (2nd), AI-Powered Cybersecurity Platforms (1st)
Darktrace
Ranking in Extended Detection and Response (XDR)
6th
Average Rating
8.2
Reviews Sentiment
7.1
Number of Reviews
85
Ranking in other categories
Email Security (11th), 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) (10th), Attack Surface Management (ASM) (4th), AI-Powered Cybersecurity Platforms (4th), AI Observability (7th)
Stellar Cyber Open XDR
Ranking in Extended Detection and Response (XDR)
34th
Average Rating
0.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
Security Information and Event Management (SIEM) (43rd), User Entity Behavior Analytics (UEBA) (29th), Endpoint Detection and Response (EDR) (55th), Network Traffic Analysis (NTA) (18th), Security Orchestration Automation and Response (SOAR) (25th), Network Detection and Response (NDR) (21st), Identity Threat Detection and Response (ITDR) (23rd)
 

Mindshare comparison

As of October 2026, in the Extended Detection and Response (XDR) category, the mindshare of Cortex XDR by Palo Alto Networks is 4.8%, down from 6.1% compared to the previous year. The mindshare of Darktrace is 4.5%, down from 8.8% compared to the previous year. The mindshare of Stellar Cyber Open XDR is 2.3%, down from 2.4% 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 Networks4.8%
Darktrace4.5%
Stellar Cyber Open XDR2.3%
Other88.4%
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.
Pasan Jayarathna - PeerSpot reviewer
Network Security Engineer at Cyberwell Solution
Monitoring has improved data loss detection and now spots abnormal internal file transfers quickly
In my understanding, the best feature Darktrace offers is the identification of copying files, which acts as a DLP, and it is a main concern for companies because users sometimes copy data outside without knowing, especially those without a technical background. When I mention the DLP-like feature and file copying detection, the alerts have been very timely, as we get an alert within a couple of minutes, which is excellent. Even if some developers are working after hours and copying files, our SOC team detects this, and most of the time they call us so we can identify the users. The alerts are quite accurate and proactive.
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

"Cortex covers everything I need. It's a perfect solution. Cortex provides a different level of visibility because it's an extended EDR, allowing you to grab logs from the network and firewalls. Palo Alto invented the concept of the extended EDR or XDR."
"One of the main benefits of the solution is its intelligence to correlate the events into an incident."
"Cortex XDR is a very capable solution for protecting large networks and a lot of endpoints. It's very useful because the automation is very high, and if you combine it with the features on Palo Alto firewalls, it provides very strong protection."
"It'll not slow down your system when compared to others."
"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."
"WildFire AI is the best option for this product."
"Cortex XDR can integrate the firewalls and determine the tendencies of the attacks. It's a new generation antivirus, with protection endpoints and detection response. It is very easy to use and everybody can operate the solution."
"The anti-exploit is impenetrable."
"Regarding the autonomous response feature, I appreciate how it functions within the platform."
"One member of staff is enough for deployment and maintenance because Darkforce is AI-driven. It does a lot of things by itself."
"The investigative part of Darktrace is valuable, especially the automation features. It allows setting up checks and provides guidance on mitigating situations, which is very useful. There are different modules that you can add to the console for protection."
"The most valuable feature in Darktrace is that it gives me a comprehensive, detailed view of my network and whatever is happening inside it."
"The most valuable feature is the solution's ability to trim out the false positives and point your attention to the real important stuff."
"It provides a comprehensive cybersecurity solution that monitors my cloud accounts as well as my local network."
"The solution is outstanding from a monitoring perspective."
"The Antigena feature is most valuable. Once it learns your environment, Antigena can step in and block a denial of service attack, a ransomware attack, or just about anything that doesn't belong in the environment. It can detect any type of attack that hits the environment because it understands what normal looks like for the network. It is very useful for an autonomous response."
"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

"Initially, we got to have a lot of false positives when we onboarded, but nowadays it's quite smooth."
"The solution should add unwanted malicious hash values to a block list so that whenever the action is triggered, it will automatically prevent the malicious content."
"I have faced some issues with Cortex XDR by Palo Alto Networks; there is room for improvement in the sense that certain options prevent us from seeing and segregating data."
"The solution could improve by providing better integration with their own products and others."
"It is not a suitable solution if you are looking for a single product with multiple features such as DLP, encryption, rollback, etc."
"The solution needs better reports. I think they should let the customer go in and customize the reports."
"Cortex does not offer an on-premises solution. However, some customers would prefer not to be on the cloud. It would be ideal if it could offer something on-prem as well."
"This is a very costly product."
"I'd love them to see maybe covering the cloud a bit more."
"In the next version, I'd like to see penetration testing."
"Darktrace could expand into EDR (endpoint detection and response) and combine it with its network detection."
"I would like to see more protection in the endpoint. Especially because we have a lot of people using VPNs. If they would improve end point security, it would give more control there."
"It could build in integrations for some complementary products, but it has an assistant plugin so this is not really a big deal."
"It's a very complex platform."
"The initial setup is a bit complex."
"Darktrace does not have any capabilities to configure. So I would like to see supervised machines and capabilities in the next version."
"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

"The price is on the higher side, but it's okay."
"I don't recall what the cost was, but it wasn't really that expensive."
"Our license will require renewal in August, after which the maintenance will continue as usual."
"This is an expensive solution."
"In terms of the cost Cortex XDR by Palo Alto Networks is very expensive because we are a Mexican company and when you translate dollars to pesos the cost is very high. The solution is very expensive for Mexican companies. I understand that they have international prices, but I do not think it offsets the price enough for many companies in countries, such as Mexico. The amount it is reduced is not a massive percentage."
"The solution is expensive. It's pricing is on a yearly-basis."
"It is cost-effective compared to similar solutions. It fits for the small businesses through to the big businesses."
"It is "expensive" and flexible."
"I am using a demo of Darktrace for deployment and testing which is free."
"There is an annual license to use Darktrace."
"Darktrace is quite an expensive solution."
"We had an issue with pricing initially and had to cancel some of the features of the projects to fit the budget. I would like to see pricing that is not broken up into parts so that we can buy the whole package once. Darktrace is more expensive than an average solution, but it's functionality won't match that of an average solution."
"They are too expensive compared with other vendors."
"The pricing is reasonable."
"The cost is moderate."
"We've budgeted about 50,000 Kuwaiti dinars for the solution. That is a yearly operating cost."
"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%
Manufacturing Company
10%
Manufacturing Company
10%
Financial Services Firm
9%
Comms Service Provider
8%
Computer Software Company
7%
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 Business44
Midsize Enterprise21
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: September 2026.
914,889 professionals have used our research since 2012.