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Mandiant Advantage vs Stellar Cyber Open XDR comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Mar 29, 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)
6th
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
109
Ranking in other categories
Endpoint Protection Platform (EPP) (5th), Endpoint Detection and Response (EDR) (7th), Ransomware Protection (2nd), AI-Powered Cybersecurity Platforms (2nd)
Mandiant Advantage
Ranking in Extended Detection and Response (XDR)
24th
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
7
Ranking in other categories
Attack Surface Management (ASM) (9th)
Stellar Cyber Open XDR
Ranking in Extended Detection and Response (XDR)
35th
Average Rating
0.0
Reviews Sentiment
7.0
Number of Reviews
2
Ranking in other categories
Security Information and Event Management (SIEM) (49th), User Entity Behavior Analytics (UEBA) (27th), Endpoint Detection and Response (EDR) (56th), Network Traffic Analysis (NTA) (18th), Security Orchestration Automation and Response (SOAR) (24th), Network Detection and Response (NDR) (20th), Identity Threat Detection and Response (ITDR) (17th)
 

Mindshare comparison

As of April 2026, in the Extended Detection and Response (XDR) category, the mindshare of Cortex XDR by Palo Alto Networks is 4.9%, down from 5.6% compared to the previous year. The mindshare of Mandiant Advantage is 1.3%, up from 0.7% compared to the previous year. The mindshare of Stellar Cyber Open XDR is 2.0%, up from 1.4% 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 Networks4.9%
Mandiant Advantage1.3%
Stellar Cyber Open XDR2.0%
Other91.8%
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.
LF
Head Of Cyber Threat Intelligence at Discount Bank
Brand threats have been monitored proactively and intelligence now drives daily security decisions
I am an end user of Mandiant Advantage. Mandiant Advantage's intelligence is good, and their service is good, but the price they charge is just too high. It's not that they're not supplying what they're selling; it's simply that the price is high, and putting a tag on that cost is somewhat problematic. I would rate Mandiant Advantage an 8 out of 10. I do not consider Mandiant Advantage an affordable solution at all. The prices are very high and very expensive. The price of Mandiant Advantage is not justified. It's really expensive, and it's so expensive that I'm not sure I will continue next year with their service.
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

"I recommend this solution to others because it is easy to manage, reliable, and overall good to use."
"The positive impacts I see from Cortex XDR by Palo Alto Networks include a complete 360-degree view of our security posture altogether, being a uniform platform where we are ingesting logs from multiple resources."
"One of the main benefits of the solution is its intelligence to correlate the events into an incident."
"After deploying Traps, we saw the performance of the network improve by 65 to 70 percent."
"It detected stuff that other things wouldn't detect."
"The solution helps find bugs, and it is safe to use to prevent attacks by hackers."
"It is a simple platform to use."
"Cortex is the best tool for endpoint detection, and I have used it to verify hashes or domains to identify malicious activity, trigger playbooks that automate and gather endpoint logs, block malicious processes, and update incident tickets, showcasing end-to-end processes with automation in investigation and reducing the analysis workflow."
"Mandiant Advantage is excellent at providing the full context and all the information, where the information was found, and the full data, including the raw data that was uploaded onto the Internet."
"The scalability of Mandiant Advantage deserves a ten out of ten."
"Mandiant Advantage has helped me enhance operational efficiency overall because it enriched our SIEM, which is Splunk, and the YARA rules I wrote within the platform help me understand better what my threat landscape is."
"The live IOC feed identifies the type, technique, and tactics used."
"The advantage of the solution is being able to go look up threat actors and get a lot of detailed information about different attacks and different tactics and general information about threats."
"The feature I have found most valuable is directory monitoring. We experienced an instance of threat actors trying to ensure a complex and massive attack against our customer's infrastructure on the forum. That is, they were animating people on a formum. The solution alerted us to this two days ahead of the attack, which gave us plenty of time to prepare for it."
"I have never faced stability issues."
"It is so valuable to have someone performing these functions outside of our business hours when we don't have staff in the building. We've seen a lot of solid metrics on the amount of malware that it's detecting and resolving. We're pleased with it so far."
"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

"It's not an ideal choice for smaller businesses, as you need a minimum of 200 endpoints to even use the solution at all."
"Being able to filter the events to see those that are related to the actual alert would save time spent by the engineer."
"Technology evolves every day, so it would be nice if it gets more secure. It can also have more integration with other platforms."
"We would also like to have advanced tech protection and email scanning."
"It is not easy to sell Cortex XDR, not because it isn't a good tool. Its marketing needs to be improved."
"In terms of areas of improvement, we have not completed our review of the product. We're also looking at other products. So, it's a little bit hard to tell what could be different because we have not completed the review of this product, but based on our experience so far, its implementation is quite complex."
"The solution should force customers to integrate with network traffic to see the full benefits of XDR."
"It'll help if customization was easier."
"They could have better support. Now that they've merged, they are moving towards a portal system, which isn't very helpful."
"Collaboration of data in my view becomes a bit clogged, requiring effort to understand visually."
"Sometimes Mandiant Advantage becomes noisy when dealing with widely recognized companies due to false positives."
"Mandiant's on-prem client is too processor-intensive, so it's putting a strain on the local device's CPU. When a scan is running on the device, the other processing tasks slow to a crawl. We're still trying to figure out the correct settings for the client."
"Sometimes Mandiant Advantage becomes noisy when dealing with widely recognized companies due to false positives."
"I have already given them feedback that their UI needs improvement since sometimes there is a lag. The side-by-side depiction of request response and action clogs the screen."
"I think that the data query that is used for data cloud language should be improved. It's really hard to query actual data from the platform."
"Mandiant Advantage's platform itself is not good yet. They have many bugs because they changed the platform, so from time to time it's simply not working at all."
"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."
"The solution is expensive. It's pricing is on a yearly-basis."
"The price is on the higher side, but it's okay."
"The price of the product is not very economical."
"The return on investment is from the user side because we have seen the performance of it increase the delivery time of the product if we are using too many web-based and on-premise applications. In indirect ways, we saw the return of investment in terms of performance and user satisfaction increase."
"Its pricing is kind of in line with its competitors and everybody else out there."
"It is "expensive" and flexible."
"Cortex XDR’s pricing is very reasonable."
Information not available
"It’s a single license platform."
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Top Industries

By visitors reading reviews
Construction Company
15%
Manufacturing Company
8%
Comms Service Provider
8%
Computer Software Company
8%
Financial Services Firm
15%
Computer Software Company
8%
Manufacturing Company
7%
Healthcare Company
6%
Manufacturing Company
13%
Comms Service Provider
10%
Computer Software Company
9%
Construction Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business44
Midsize Enterprise20
Large Enterprise48
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise2
Large Enterprise2
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,...
What needs improvement with Mandiant Advantage?
I think Mandiant Advantage could be improved regarding their intelligence on fraud and cybercrime. Additionally, thei...
What is your primary use case for Mandiant Advantage?
I'm using Mandiant Advantage for digital monitoring of our brand protection and our digital entities, in addition to ...
What advice do you have for others considering Mandiant Advantage?
I am an end user of Mandiant Advantage. Mandiant Advantage's intelligence is good, and their service is good, but the...
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
Mandiant Threat Intelligence
No data available
 

Overview

 

Sample Customers

CBI Health Group, University Honda, VakifBank
Stater Bros. Markets, Rush Copley, Blackboat, CapWealth
Sumitomo Chemical USA, PlastiPak Packaging, University of Denver, Large California State Agency, Large Midwestern American City
Find out what your peers are saying about Mandiant Advantage vs. Stellar Cyber Open XDR and other solutions. Updated: February 2026.
885,728 professionals have used our research since 2012.