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Bitdefender GravityZone XDR vs Stellar Cyber Open XDR comparison

 

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

Bitdefender GravityZone XDR
Ranking in Extended Detection and Response (XDR)
24th
Average Rating
9.0
Reviews Sentiment
7.2
Number of Reviews
6
Ranking in other categories
No ranking in other categories
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) (47th), User Entity Behavior Analytics (UEBA) (24th), Endpoint Detection and Response (EDR) (58th), Network Traffic Analysis (NTA) (19th), Security Orchestration Automation and Response (SOAR) (24th), Network Detection and Response (NDR) (20th), Identity Threat Detection and Response (ITDR) (19th)
 

Mindshare comparison

As of January 2026, in the Extended Detection and Response (XDR) category, the mindshare of Bitdefender GravityZone XDR is 1.0%, up from 0.6% 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 (%)
Bitdefender GravityZone XDR1.0%
Stellar Cyber Open XDR2.1%
Other96.9%
Extended Detection and Response (XDR)
 

Featured Reviews

Jörg Köhler - PeerSpot reviewer
Owner at AvalisNT AG
Setup is smooth and management is seamless, while improvements in email filtering transparency enhance efficiency
For data correlation, we just haven't worked long enough with it to assess its impact on our overall threat response strategy. We prefer a system that simply informs us when there is a problem; we don't want to engage too much in threat hunting. Therefore, we're not looking to create a SOC from this, which is also why we moved from XDR to MDR. There are areas for improvement, including the difficulty in getting the right handles on the applied email filters. It's sometimes unclear why one email is treated as spam and another is not, even if they contain similar content. Making the process of how emails are treated a bit more transparent would be beneficial.
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

"I find that the auto-response capability is most valuable."
"I would rate GravityZone XDR more than nine out of ten."
"The solution has an automatic patch management capability."
"The HyperDetect feature in GravityZone XDR is effective."
"Since then, we are working with it, and so far, we have no problems; it's working smoothly with email security."
"I appreciate the overall utilization of AI to enhance security posture."
"Scalability is pretty easy. It's easy to increase the capacity. You can just add on licenses to the existing license, and the duration of the license can be adjusted. For example, you've already bought a license for a year, and you want to add some more users. We can just add on licenses for the remaining period so that the entire organization can have the same expiry date. That makes renewal easier."
"It provides an in-depth analysis and gives recommendations, along with a historical search capability."
"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

"The solution’s pricing could be improved."
"The resource consumption is high for Bitdefender GravityZone XDR, nearly using one gigabyte of RAM, especially on Windows 10 and 11."
"The product could be improved by offering a single panel for the management of all Bitdefender products."
"It's not very mature, and additional costs are involved."
"The resource consumption is high for Bitdefender GravityZone XDR, nearly using one gigabyte of RAM, especially on Windows 10 and 11."
"Another area of improvement is CPU utilization. CPU utilization could be improved."
"The product could be improved by offering a single panel for the management of all Bitdefender products. Additionally, there might be a need to simplify the interface in the future."
"Support is an issue because they have a limited number of resources."
"I would rate the stability at about five to six. The platform requires some fine-tuning, especially when integrating data sources and creating connectors."
 

Pricing and Cost Advice

"On a scale from one to ten, where one is cheap and ten is expensive, I rate the solution's pricing a six out of ten."
"It's not the price of the software itself that makes it expensive. It's because you have to buy a VM; you have to buy additional hardware. All those things make it slightly costlier."
"It’s a single license platform."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Comms Service Provider
12%
Manufacturing Company
6%
Financial Services Firm
6%
Manufacturing Company
13%
Computer Software Company
10%
Comms Service Provider
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

What needs improvement with Bitdefender GravityZone XDR?
For data correlation, we just haven't worked long enough with it to assess its impact on our overall threat response strategy. We prefer a system that simply informs us when there is a problem; we ...
What is your primary use case for Bitdefender GravityZone XDR?
I am using SentinelOne not for MDR, only for EDR/XDR, because we wanted to use it for MDR, but the threshold for the required number of licenses to secure machines or users is quite high at 200, an...
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 functionalities at a significantly lower cost than rival products, enabling me to...
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 improvement as of now. Their support is good, and the team is small, enabling them to ca...
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, especially for customers with large and medium networks. It eliminates the need for a d...
 

Overview

 

Sample Customers

Information Not Available
Sumitomo Chemical USA, PlastiPak Packaging, University of Denver, Large California State Agency, Large Midwestern American City
Find out what your peers are saying about Bitdefender GravityZone XDR vs. Stellar Cyber Open XDR and other solutions. Updated: December 2025.
881,082 professionals have used our research since 2012.