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Stellar Cyber Open XDR vs UnderDefense comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 8, 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

Torq
Sponsored
Average Rating
8.6
Reviews Sentiment
6.6
Number of Reviews
21
Ranking in other categories
AI-SOC (1st), AI-Powered Security Automation (1st)
Stellar Cyber Open XDR
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) (57th), Network Traffic Analysis (NTA) (16th), Security Orchestration Automation and Response (SOAR) (25th), Network Detection and Response (NDR) (21st), Extended Detection and Response (XDR) (37th), Identity Threat Detection and Response (ITDR) (23rd)
UnderDefense
Average Rating
10.0
Reviews Sentiment
7.2
Number of Reviews
5
Ranking in other categories
Endpoint Detection and Response (EDR) (22nd), Security Orchestration Automation and Response (SOAR) (10th), SOC as a Service (4th), Managed Detection and Response (MDR) (10th), Extended Detection and Response (XDR) (15th), Compliance Management (10th), AI-SOC (8th), AI-Powered Security Automation (4th)
 

Featured Reviews

AD
Solutions Architect at ProArch
Automation has streamlined multi-tenant SOC workflows and improves alert handling efficiency
Although the reporting within Torq is not that great, we did ask for many features regarding reporting in Torq, but due to some platform constraints, they could not make the whole dataset available for us to be used in reporting. Except for that, we used some basic reporting. When I used Torq, it was indeed in the early stages of AI capabilities. Only a few customers were allowed to use it, and we were among them. It functioned well as long as we summarized the data properly. If you input garbage, you would get garbage out. Thus, we had to do significant fine-tuning regarding what data context we provided to the AI orchestrator to get meaningful results. In terms of Torq's unified platform approach to AI SOC automation and case management compared to managing multiple point solutions across my security stack, I find it case-centric. The unified view in case management is good since it provides clarity, although there are limitations regarding how many items in case management can be modified at once. Bulk operations are very limited, potentially due to their back-end database or data retrieval processes that can be improved. Regarding improvements for Torq, when we were onboarded, there were aspects we were uncertain about, such as the number of cases that could be generated, what data we could bring in, how many clients we could onboard, and similar concerns. Initially, we also lacked clarity about the number of playbooks or workflows we could build. Different triggers like system triggers, case-based triggers, and others can be employed without restrictions, but when it comes to on-demand and scheduled jobs, there is a limitation based on the subscription and pricing tier that notably caps the number of workflows we can create. No bulk editing across cases was one issue, along with limited filtering related to single grouping constraints. Additionally, the out-of-the-box case templates provided require substantial modifications before they become usable. There is also a feature in the cases for notes that cannot be searched. They are only visible through the UI, which is another area for improvement. The workflow and execution-based charges seem misleading as this was not discussed initially. I am not sure if new customers are made aware of this. It seems that workflows revolving around cases hinder functionality outside of case management, as we have many use cases needing on-demand triggers and schedules for functions like reporting or polling devices. Creating additional workflows to achieve basic functionalities raises costs significantly, which disadvantages customers. While they facilitate optimization and scaling, the support received tends to be very basic. Improvements can be made in that area as well.
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.
Ivan Voitovych - PeerSpot reviewer
Founder at Urlicer
AI-driven SOC triage has transformed threat monitoring and keeps our security work focused
The best features UnderDefense offers include mostly triage in-context signals read together across my stack, where one finding replaces many separate checks. A good thing too is its false positive suppression, as I do not get false notifications. Normal activity such as traffic spikes during customer events is recognized and documented, and only the unusual cases reach me. It has full-time support 24/7 with proactive reports, and monitoring runs around the clock. Reports and alerts come to me without even noticing or asking, so it is very useful. My team sees what happened without having to chase it. I find the proactive reporting and 24/7 support to have definitely made a real difference. Proactive reports mean I hear about what happened without having to ask, so I know the state of things at the start of the day, and 24/7 support matters most for traffic spikes and other events outside busy working hours, as I get an answer when I need one without keeping someone on call just in case, saving me a lot of time. Together, they let my team stay on infrastructure work and step in only when a decision is needed. Regarding UnderDefense's AI capabilities, I think the governance and security is the best there is, as the decisions that matter stay with my team and each finding is documented, allowing me to review afterwards how a conclusion was reached. That control and traceability is what I need from AI in a security role. The accuracy and reliability of UnderDefense's AI output is accurate and steady, as findings have matched what I saw when I checked them, and the pattern assessments are consistent, especially during large traffic events or spikes, which is when I depend on them most. When a case needs judgment, the reasoning is there so I can confirm it myself.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"As an analyst, it has demonstrated potential to reduce workforce requirements and time needed for related activities."
"Torq has exceeded expectations by delivering workflows in a timely and lower effort manner than XSOAR, and it meets all my needs while saving a ton of time and targeting $600,000 saved this year, which is a substantial amount of money."
"If I review about 100 vendors that I might work with, Torq is definitely in the top five that gave me personally investment back, just because every bit of effort I put into Torq eventually became a workflow that gave it back to me."
"The most valuable features of Torq for me are its drag-and-drop workflow automation, extensive integrations, and AI-powered alert summaries."
"One of the workflows I manage with Torq looks good and provides faster response, saving time and resulting in happy clients."
"Torq's unified platform approach to AI, SOAR, automation, and case management is superior compared to my experience managing multiple point solutions."
"Torq has impacted my organization positively by allowing us to earn time and invest resources in other projects that are more meaningful and more interesting, pushing deeper into what a SOC is, and building our processes."
"Torq has helped a lot regarding SOC analyst efficiency."
"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."
"The linking, the filtering, and the readable reasoning each help on their own, but together, they allow a small security team to handle the volume our platform produces without losing sight of the cases that matter."
"Routine signals are handled and documented, and only cases that need a human decision reach my team, allowing engineers to spend their time on infrastructure hardening instead of log digging."
"Every morning we look at a short list of cases that matter instead of a long list of raw alerts, and each case comes with the full picture, so we can decide in a few minutes whether it needs action."
"UnderDefense Gen AI SOC flags behavior that breaks from an account's own baseline, lays out which signals triggered the alert and why it reads as different from normal activity, and helps our team decide within the same day whether we are seeing a legitimate big campaign push or a compromised login."
"UnderDefense groups it into one alert with the caller, the endpoint, and the usual pattern, which allows us to contact the customer the same day with facts in hand."
 

Cons

"I would not say I have seen significant improvement on investment, but I will definitely say analyst productivity has improved."
"Even now, we have workflows that are in production that use AI steps and I get different results, making it unusable to some degree."
"I think the platform could be improved by making advanced workflow troubleshooting easier."
"Torq can probably use more ML and look at what can be closed and what cannot be closed in terms of data classification."
"Additionally, the documentation for Torq is not very clear. Most of the information is presented in videos, which are not ideal for reading; there are mostly paragraphs and other text-based content."
"Regarding the pricing of Torq, I would say it is expensive."
"If Torq could enhance its AI features, it would benefit customers significantly by making the platform even more user-friendly."
"I wish Torq's AI assistant for building templated workflows from scratch worked better; when you start with a blank slate, asking AI to help you build or template the workflow out does not go well."
"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."
"UnderDefense could improve in onboarding, which takes some dedicated time because the baseline for our high volume upload events needs to be set up first."
 

Pricing and Cost Advice

Information not available
"It’s a single license platform."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Outsourcing Company
11%
Comms Service Provider
11%
Manufacturing Company
10%
Manufacturing Company
14%
Outsourcing Company
10%
Comms Service Provider
10%
Construction Company
7%
Manufacturing Company
39%
Construction Company
13%
Security Firm
11%
Outsourcing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise7
Large Enterprise13
No data available
No data available
 

Questions from the Community

What needs improvement with Torq?
What has not worked as well as I hoped with Torq is related to product data management and storing data, although it ...
What is your primary use case for Torq?
My main use case for Torq is for managing IT services and providing faster response.
What advice do you have for others considering Torq?
I would rate Torq a 10 on a scale of 1 to 10. I chose this rating because customer service is excellent. I suggest to...
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...
What is your primary use case for UnderDefense?
Our main use case for UnderDefense Agentic AI SOC is to watch how accounts actually use our platform. Our product is ...
What is your experience regarding pricing and costs for UnderDefense?
The experience with pricing, setup cost, and licensing has been fair for what we get. Compared with building the same...
What needs improvement with UnderDefense?
UnderDefense could improve in onboarding, which takes some dedicated time because the baseline for our high volume up...
 

Interactive Demo

Demo not available
Demo not available
 

Overview

 

Sample Customers

Information Not Available
Sumitomo Chemical USA, PlastiPak Packaging, University of Denver, Large California State Agency, Large Midwestern American City
Kyte, Betsson Grourp, Mammut, Accedian.
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