• HOME
  • CATEGORIES

    • CATEGORIES

    • Application Development

      • Observability Platforms
      • Integrated Development Environment (IDE) Software
      • Enterprise Agile Planning Tools
      • Integration Platform as a Service
      • AI-Augmented Software Testing Tools
      • View All
    • Artificial Intelligence

      • AI Code Assistants (Transitioning to AI Coding Agents)
      • Generative AI Knowledge Management Apps/General Productivity
      • AI Application Development Platforms
      • Conversational AI Platforms
      • Artificial Intelligence Applications in IT Service Management (Transitioning to AI Applications in IT Service Management)
      • View All
    • Cloud Computing

      • Backup and Data Protection Platforms
      • Cloud Database Management Systems
      • Strategic Cloud Platform Services
      • Server Virtualization (Transitioning to Server Virtualization Platforms)
      • Hybrid Cloud Storage
      • View All
    • Customer Relationship Management

      • Contact Center as a Service
      • CRM Customer Engagement Center
      • Digital Experience Platforms
      • Web Content Management
      • Field Service Management
      • View All
    • Data and Analytics

      • Analytics and Business Intelligence Platforms
      • Data Science and Machine Learning Platforms (Transitioning to AI Platforms For Data Science and Machine Learning)
      • Data Integration Tools
      • Process Mining Platforms (Transitioning to Process Intelligence Platforms)
      • Augmented Data Quality Solutions
      • View All
    • Education

      • Manager and Leadership Training
      • Corporate Learning Technologies
      • eLearning Authoring Tools
      • Higher Education Student Information System Software as a Service (Transitioning to Higher Education SaaS Student Information Systems)
      • Digital Learning Content Providers
      • View All
    • Enterprise Networking and Communications

      • Unified Communications as a Service
      • Global WAN Services
      • Intranet Packaged Solutions
      • SD-WAN
      • Edge Distribution Platforms
      • View All
    • Finance

      • Expense Management Software
      • Financial Close and Consolidation Solutions
      • Financial Planning Software
      • Cloud Financial Management Tools
      • Accounts Payable Applications
      • View All
    • Healthcare and Life Sciences

      • Medical Device Security Solutions (Transitioning to Medical Device Risk Management Platforms)
      • Health Navigation Solutions
      • Claim Editor Software
      • Revenue Cycle Management Software (Transitioning to Revenue Cycle Management Solutions)
      • Digital Health Platforms (Transitioning to Healthcare Provider Industry Cloud Platforms)
      • View All
    • Human Resources

      • Employee Recognition and Reward Systems
      • Workforce Management Applications (Transitioning to Workforce Management (WFM) Technology)
      • Digital Employee Experience Management Tools
      • Talent Acquisition (Recruiting) Suites
      • Cloud HCM Suites for Regional and/or Sub-1,000 Employee Enterprises
      • View All
    • IT Infrastructure and IoT

      • Enterprise Wired and Wireless LAN Infrastructure (Transitioning to Enterprise Wired and Wireless LAN)
      • Endpoint Management Tools
      • IT Service Management Platforms
      • Container Management
      • Infrastructure Monitoring Tools
      • View All
    • IT Security

      • Endpoint Protection Platforms
      • Email Security
      • Managed Detection and Response
      • Security Information and Event Management
      • Security Awareness Computer-Based Training
      • View All
    • Legal

      • Contract Life Cycle Management
      • Electronic Signature
      • Governance, Risk and Compliance Tools, Assurance Leaders
      • Compliance Monitoring Solutions
      • Corporate Governance Services
      • View All
    • Manufacturing

      • Enterprise Asset Management Software
      • Manufacturing Execution Systems
      • Global Industrial IoT Platforms
      • PLM Software in Discrete Manufacturing Industries
      • Computer-Aided Design (CAD) Software
      • View All
    • Marketing

      • Video Editing Software
      • Email Marketing
      • Multichannel Marketing Hubs
      • Customer Data Platforms
      • Event Marketing and Management Platforms
      • View All
    • Productivity and Collaboration

      • Document Management
      • Visual Collaboration Applications
      • Collaborative Work Management
      • Knowledge Management (KM) Software
      • Communications Platform as a Service
      • View All
    • Public Sector and Government

      • Government Budgeting and Planning Solution
      • Cloud-Based ERP for U.S. Local Government
      • Citizen Service Delivery
      • Government ERP Solutions
      • Government Contracting Software
      • View All
    • Retail

      • Digital Commerce
      • Digital Commerce Payment Vendors (Transitioning to Digital Commerce Payment Platforms)
      • Retail Assortment Management Applications: Long Life Cycle Products
      • Retail Workforce Management Applications (Transitioning to Retail Workforce Management Technology)
      • Digital Shelf Analytics
      • View All
    • Sales

      • Sales Force Automation Platforms (Transitioning to CRM Sales Platforms)
      • Revenue Enablement Platforms
      • Revenue Intelligence (Transitioning to Revenue Action Orchestration)
      • Configure, Price and Quote Applications
      • Search and Product Discovery
      • View All
    • Supply Chain Management

      • Supply Chain Planning Solutions
      • Transportation Management Systems
      • Real-Time Transportation Visibility Platforms
      • Warehouse Management Systems
      • Supply Chain Strategy, Planning and Operations Consulting
      • View All
    • Utilities

      • Geospatial Information Systems for Energy and Utilities
      • Mobile Workforce Management Software for Utilities (Transitioning to Mobile Workforce Management Solutions for Power and Utilities)
      • Energy Management and Optimization Systems
      • Energy Trading and Risk Management
      • Advanced Distribution Management Systems
      • View All
    • Browse All Categories
  • FOR VENDORS

    • FOR VENDORS

    • Log In to Vendor Portal
    • Get Started
  • REVIEWS

    • REVIEWS

    • Write a Review
    • Product Reviews
    • Vendor Directory
    • Product Comparisons
  • GARTNER PEER COMMUNITY™
  • GARTNER.COM
  • Community GuidelinesListing GuidelinesBrowse VendorsRules of EngagementFAQPrivacyTerms of Service
    ©2026 Gartner, Inc. and/or its affiliates.
    All rights reserved.
  • Categories

      • Application Development
      • Artificial Intelligence
      • Cloud Computing
      • Customer Relationship Management
      • Data and Analytics
      • Education
      • Enterprise Networking and Communications
      • Finance
      • Healthcare and Life Sciences
      • Human Resources
      • IT Infrastructure and IoT
      • IT Security
      • Legal
      • Manufacturing
      • Marketing
      • Productivity and Collaboration
      • Public Sector and Government
      • Retail
      • Sales
      • Supply Chain Management
      • Utilities
      Browse All Categories

      Application Development

      69 markets
      • Observability Platforms
      • Integrated Development Environment (IDE) Software
      • Enterprise Agile Planning Tools
      • Integration Platform as a Service
      • AI-Augmented Software Testing Tools
      • API Management
      • Enterprise Low-Code Application Platforms
      • Robotic Process Automation
      • DevOps Platforms (Transitioning to DevSecOps Platforms)
      • Business Process Automation Tools
      • Enterprise Architecture Tools
      • Business Orchestration and Automation Technologies
      • Custom Software Development Services
      • Code Review Tools
      • Digital Adoption Platforms
      • Domain Registrars
      • Public Cloud IT Transformation Services (Transitioning to Public Cloud Optimization and Transformation Services)
      • Game Engine Software
      • Website Builders
      • Developer Productivity Insight Platforms
      • AI Agents for Application Developers
      • Application Platforms (Transitioning to Cloud-Native Application Protection Platforms)
      • Feature Management
      • Application Crowdtesting Services
      • Test Data Management
      • API Generation Software
      • Prototyping Software
      • Mobile App Analytics
      • AI-Augmented Code Modernization Tools
      • Virtual Reality Development Software
      • Application Testing Services, Worldwide (Transitioning to Quality Engineering Services)
      • Green Software Engineering
      • Application Integration Platforms
      • Event Brokers
      • Digital Twin of an Organization Platforms
      • Independent Third-Party Software Support of Megavendors
      • Microsoft 365 Implementation and Support Services
      • Application Development Life Cycle Management (Transitioning to DevOps Platforms)
      • BPM-Platform-Based Case Management Frameworks
      • Microsoft Product Support Services
      • Product Roadmapping Tools for Software Engineering
      • Multiexperience Development Platforms
      • Application Portfolio Management Tools
      • Application Composition Platform
      • Internal Developer Portals
      • AI Agent Development Platforms for Software Engineering
      • Cloud Development Environments
      • Mobile Development Frameworks (Transitioning to Web and Mobile Development Frameworks)
      • Load Testing Tools
      • Blockchain Consulting and Proof-of-Concept Development Services
      • B2B Gateway Software
      • Citizen Application Development Platforms
      • Mobile Application Testing Services
      • SAP S/4HANA Application Services, Worldwide (Transitioning to Cloud ERP Services)
      • Oracle Cloud Application Services, Worldwide (Transitioning to Cloud ERP Services)
      • SAP Application Services, Worldwide
      • SAP SuccessFactors Service Providers (Transitioning to Cloud ERP Services)
      • Service Mesh
      • Value Stream Management Platforms
      • Business-Outcome-Driven Enterprise Architecture Consulting (Retired)
      • Oracle Application Services, Worldwide (Transitioning to Cloud ERP Services)
      • Rapid Mobile App Development Tools
      • SAP Selective Test Data Management Tools
      • API and MCP Testing Tools
      • Augmented Reality Development Software
      • Blockchain as a Service
      • Mobile Application Management (Transitioning to Endpoint Management Tools)
      • Mobile Back-End Services
      • R&D Outsourcing Providers
      View More
  • For Vendors

    • Log In to Vendor Portal 

    • Get Started 

  • Write a Review

Join / Sign In
  1. Home
  2. /
  3. Open XDR Platform
Logo of Open XDR Platform

Open XDR Platform

byStellar Cyber
in
4.7
Market Presence: Network Detection and Response, Security Information and Event Management

Overview

Product Information on Open XDR Platform

Updated 13th October 2025

What is Open XDR Platform?

Open XDR Platform is a software developed by Stellar Cyber designed to unify security operations by integrating various security tools and sources into a single interface. The software facilitates threat detection, investigation, and response by correlating data from endpoints, networks, cloud environments, and other security data streams. It automates workflows and consolidates alerts to reduce information silos and enhance analysis efficiency. The software aims to address challenges in managing multiple cybersecurity solutions and enables security teams to gain centralized visibility, streamline case management, and accelerate incident response within complex IT infrastructures.

Open XDR Platform Pricing

The Open XDR Platform software uses a subscription-based pricing model, charging according to the number of assets, endpoints or data volume ingested for detection and response capabilities. The software offers tiered packages with different features, and customers can select plans based on organizational needs and scale. Additional modules and services may be available for purchase to enhance platform functionality.

Overall experience with Open XDR Platform

Engineering Manager
3B - 10B USD, IT Services
FAVORABLE

“Unified Visibility Enhances Monitoring While Dashboard Depth Could Be Expanded”

5.0
Feb 12, 2026
My experience with the Stellar Cyber Open XDR platform has been largely positive, especially in terms of visibility and operational efficiency. One of the strongest aspects is how quickly it centralizes data from different security tools without requiring heavy customization. The platform’s ability to normalize logs and correlate events across diverse sources feels polished, and it noticeably reduces the time spent jumping between dashboards. The interface strikes a practical balance between simplicity and depth. Analysts can pivot from high-level incident overviews to granular data with just a few clicks, which makes investigations feel more fluid. The built‑in detections and machine‑learning‑driven insights aren’t overly noisy, and tuning them is straightforward compared to many SIEM or SOAR tools. Performance-wise, the platform handles large data volumes well, and the timeline views speed up triage. The automated response capabilities are helpful, though they still benefit from occasional fine‑tuning depending on the environment and integrations in use. Integrating third‑party tools is generally smooth, but some connectors require extra setup depending on how customized the environment is. Overall, Stellar Cyber delivers a strong “single pane of glass” experience for security operations teams. It’s particularly useful if you're trying to consolidate tools, improve detection visibility, or streamline investigations without going through a massive SIEM overhaul. The platform feels mature, analyst‑friendly, and thoughtfully designed for real-world SOC workflows.
IT Security & Risk Management Associate
<50M USD, IT Services
CRITICAL

“Steep Learning Curve and UI Challenges Impact StellarCyber Open XDR Experience”

2.0
Feb 17, 2026
StellarCyber's Open XDR platform does what it aims to do, just not in the greatest, most user-friendly way. There are a ton of improvements that need to be made to the the platform, more specifically but not limited to the: UI and correlation engine. The biggest hurdle is training employees on the platform as there are many nuances which cause confusion and create a steep learning curve.

About Company

Company Description

Updated 8th February 2025

Stellar Cyber is a Silicon Valley-based organization specializing in providing a comprehensive and integrated Open XDR platform dedicated to simplifying security processes. The platform's prime focus is to aid lean security teams of varying skills in fortifying their environment securely. By utilizing Stellar Cyber's platform, organizations can minimize risk through early and accurate detection and remediation of threats. Moreover, the platform allows for reduction in costs and enhancement of analyst productivity, featuring significant improvements in mean time to detect (MTTD) and mean time to recover (MTTR).

Company Details

Updated 26th February 2025
Company type
Private
Year Founded
2017
Head office location
San Jose, United States
Number of employees
51 - 200
Website
https://stellarcyber.ai/

Do You Manage Peer Insights at Stellar Cyber?

Access Vendor Portal to update and manage your profile.

Key Insights

A Snapshot of What Matters - Based on Validated User Reviews

User Sentiment About Open XDR Platform
Reviewer Insights for: Open XDR Platform
Deciding Factors: Open XDR Platform Vs. Market Average
Performance of Open XDR Platform Across Market Features

Open XDR Platform Likes & Dislikes

Like

What stands out most about Stellar Cyber is how well it brings together data from different security tools into a single, easytouse interface. Instead of juggling multiple dashboards, alerts, and log sources, everything is consolidated in a way that makes sense for daytoday security operations. I especially appreciate how quickly the platform turns raw data into something analysts can act on. The event correlation and guided investigation views make it much easier to understand the context behind alerts without having to reverseengineer the story yourself. This saves a lot of time during triage and reduces the backandforth normally required in a SOC. Another aspect I like is the balance between automation and analyst control. Automated detection helps surface issues early, but the platform still gives you the freedom to dig deeper and validate findings instead of forcing a blackbox approach. It feels like a tool designed to support analysts rather than replace them. Overall, the best part of Stellar Cyber is how much it simplifies the workflow. It reduces noise, connects the dots between different systems, and makes investigations feel more structured and efficient.

Like

The graphs and ability to create your own dashboards are great. Case correlation, when working as expected, is perfect for reviewing related alerts. Visual representations of telemetry help zoom in on the most important data, and help ignore the noise.

Like

1. Well-Structured Ticketing and Customer Feedback Process Stellar Cyber has a highly responsive and well-organized ticketing system. When issues or feature requests are submitted, the feedback loop is clear and proactive. Even functionalities that are not currently available can be formally requested, and in many cases, they are reviewed and incorporated into future updates. This demonstrates a strong commitment to customer collaboration and continuous product improvement. 2. Exceptional Log Parsing and Normalization Capabilities Stellar Cyber offers powerful log parsing and normalization capabilities, making it highly effective for consolidating logs from diverse sources. Whether integrating network, endpoint, cloud, or third-party security tools, the platform ensures consistent data structure and high-quality visibility. This significantly reduces integration complexity and enhances overall threat detection accuracy. 3. Intuitive and User-Friendly Interface The platform features a clean, intuitive UI that allows analysts to quickly navigate, investigate, and respond to threats. Even complex security data is presented in a clear and actionable manner, which reduces the learning curve and improves operational efficiency for both experienced and junior security teams.

Dislike

The main drawback Ive noticed with Stellar Cyber is that some parts of the platform still feel a bit complex during the initial setup phase. While the interface is generally userfriendly, getting all data sources integrated and tuned can take longer than expected, especially in environments with many legacy systems or unique log formats. Another point of frustration is that certain advanced features require more configuration than the platform initially suggests. For example, automated workflows and some specialized detections work well once finetuned but getting them calibrated for a specific environment may demand deeper technical knowledge or additional time from the SOC team. Lastly, although the platform provides a lot of visibility, the volume of information can occasionally feel overwhelming until the filters and noisereduction settings are fully optimized. Its not a dealbreaker, but it does mean the platform may require a little more time investment upfront to get the most value out of it.

Dislike

The user interface is extremely unfriendly to work with. For example, in the threat hunting view, the way to choose the date and time contains a slider for hours and minutes which is a poor choice of time selection. Then there are a number of little UI nuances like if you auto-size all the columns in a table (threat hunting, alerts, and cases) then switch to the next page it will reset your column sizes. The correlation engine doesn't always create a reliable case in terms of related telemetry. You might get a case for a Windows event log that contains a process creation for an abnormal parent/child process but then in the same case a DNS query to a website that hasn't been visited in over 300 days which are both completely unrelated. There are many limitations on how to search for telemetry in the system. For example, if you're trying to search for the network traffic surrounding a process you will have to be mindful of what indices you're looking at. If you select more than one indice while reviewing logs ie. traffic, windows logs, firewall logs etc. You will be limited to the last 24 hours. This is also the same when trying to compare the traffic that is being created by certain processes. What this means is that anything that requires multiple indices to investigate past 24 hours is going to take you significantly longer to correlate it together. When it comes to abnormal parent and child processes, there is no way for the Stellar system to track the storyline of process lineage. Your alert might have an abnormal parent of notepad.exe spawning a child process notepad.exe and the only way to find out the true parent is by searching potentially hundreds of logs manually just to find out that werfault.exe was the true parent that triggered the alert.

Dislike

1. Occasional Minor Console Issues While the ticketing system is highly responsive and feedback is handled quickly, there are occasional minor console issues that appear after new version releases. These are typically small and addressed once identified, but in some cases, they may not be resolved until users report them. Continued refinement of pre-release testing could further enhance overall stability. 2. High Resource Requirements Because the platform collects and processes a significant volume of data by design, it naturally requires substantial system resources. In some environments, this can occasionally lead to service performance issues if resources are not sufficiently allocated. Providing more detailed and conservative resource sizing guidance during initial deployment would help customers plan infrastructure more effectively and prevent such challenges. 3. Opportunities to Expand the Knowledge Base Stellar Cyber already offers a strong Knowledge Base with valuable documentation. However, during real-world usage, users may sometimes encounter practical questions that are not yet covered. Expanding the Knowledge Base to include more scenario-based guidance and common operational questions could further improve the overall user experience and self-service capability.

Top Open XDR Platform Alternatives

Logo of Splunk Enterprise
1. Splunk Enterprise
4.5
(1035 Ratings)
Logo of LogRhythm SIEM
2. LogRhythm SIEM
4.3
(715 Ratings)
Logo of IBM Security QRadar SIEM
3. IBM Security QRadar SIEM
4.3
(657 Ratings)
View All Alternatives

Peer Discussions

Open XDR Platform Reviews and Ratings

4.7

(293 Ratings)

Rating Distribution

5 Star
74%
4 Star
24%
3 Star
2%
2 Star
0%
1 Star
0%
Why ratings and reviews count differ?

Customer Experience

Evaluation & Contracting

4.6

Integration & Deployment

4.6

Service & Support

4.7

Product Capabilities

4.7

Filter Reviews
Sort By:
Most helpful
Last 12 Months
Star Rating
Reviewer Type
Reviewer's Company Size
Reviewer's Industry
Reviewer's Region
Reviewer's Job Function
  • Engineering Manager
    1B-10B USD
    IT Services
    Review Source

    Unified Visibility Enhances Monitoring While Dashboard Depth Could Be Expanded

    5.0
    Feb 12, 2026
    My experience with the Stellar Cyber Open XDR platform has been largely positive, especially in terms of visibility and operational efficiency. One of the strongest aspects is how quickly it centralizes data from different security tools without requiring heavy customization. The platform’s ability to normalize logs and correlate events across diverse sources feels polished, and it noticeably reduces the time spent jumping between dashboards. The interface strikes a practical balance between simplicity and depth. Analysts can pivot from high-level incident overviews to granular data with just a few clicks, which makes investigations feel more fluid. The built‑in detections and machine‑learning‑driven insights aren’t overly noisy, and tuning them is straightforward compared to many SIEM or SOAR tools. Performance-wise, the platform handles large data volumes well, and the timeline views speed up triage. The automated response capabilities are helpful, though they still benefit from occasional fine‑tuning depending on the environment and integrations in use. Integrating third‑party tools is generally smooth, but some connectors require extra setup depending on how customized the environment is. Overall, Stellar Cyber delivers a strong “single pane of glass” experience for security operations teams. It’s particularly useful if you're trying to consolidate tools, improve detection visibility, or streamline investigations without going through a massive SIEM overhaul. The platform feels mature, analyst‑friendly, and thoughtfully designed for real-world SOC workflows.
  • IT Security & Risk Management Associate
    <50M USD
    IT Services
    Review Source

    A Powerful Open XDR Platform That Delivers Maximum Value When Strategically Deployed and Tuned.

    5.0
    Feb 20, 2026
    Stellar Cyber truly stands out in the security market. Unlike many fragmented security solutions, Stellar Cyber delivers a unified Open XDR platform that integrates seamlessly across network, endpoint, cloud, and identity environments. Its strength lies in reducing tool sprawl while providing deep, correlated visibility through a single intuitive interface. What differentiates Stellar Cyber is tis ability to combine automation, AI-driven detection, and cost efficiency without sacrificing depth or flexibility. It empowers security teams to detect threats earlier, respond faster, and operate more efficiently -- all without the complexity typically associated with enterprise-grade security platforms.
  • IT Associate
    <50M USD
    IT Services
    Review Source

    Comprehensive XDR & NDR Platform with Strong Correlation and Behavioral Detection

    5.0
    Feb 17, 2026
    We have been using Stellar Cyber Open XDR in our SOC operations to monitor network, endpoint and authentication-related threats across multiple environments. Overall, the platform has improved our visibility and correlation capabilities by centralizing logs from different sources into a single investigation console. The anomaly-based detection and correlation engine helps us identify suspicious behaviour such as brute force attempts, impossible travel, lateral movement and unusual traffic spikes. While the platform is powerful, some tuning is required during initial deployment to reduce false positives and optimize detection accuracy. Once properly configured, it becomes a valuable tool for daily monitoring, incident triage and threat investigation
  • It Security & Risk Management Associate
    50M-1B USD
    IT Services
    Review Source

    Alert Correlation Streamlines Incident Response While Telemetry Queries Cause Major Delays

    5.0
    Feb 20, 2026
    At our SOC our overall experience with Stellar Cyber OpenXDR has been great, but not without a lot of work on our end to make it successful. The support team at Stellar Cyber has been very responsive and willing to assist whenever our SOC runs into issues with the platform. Stellar Cyber goes above and beyond by working with us on a weekly cadence in order to address the issues we run into and provide guidance from their expert level support team.
  • It Associate
    <50M USD
    IT Services
    Review Source

    Reliable XDR Platform with Strong Detection, Clear Visibility, and Responsive Support.

    5.0
    Feb 12, 2026
    My overall experience with Stellar Cyber has been very positive, although the initial deployment requires time and patience. The part that needs the most attention is the Data Processor installation. In on-prem VMware setups, every step has to be followed exactly, and even a small mistake can force you to repeat parts of the process. Virtual sensors, on the other hand, are simple to deploy and start working quickly. Once the full environment is installed and properly tuned, the platform becomes stable and reliable. I often run ethical attack simulations using VAPT tools to see how detections behave in real situations, and the results have consistently been strong. Our SOC team is involved in validating detections and observing new behaviors. When we find missing integrations or limits, the engineering team at Stellar Cyber reacts fast and helps us with customized solutions whenever needed.
...
Showing Result 1-5 of 379

Recommended Gartner Research

  • Magic Quadrant for Network Detection and Response

Gartner Peer Insights content consists of the opinions of individual end users based on their own experiences, and should not be construed as statements of fact, nor do they represent the views of Gartner or its affiliates. Gartner does not endorse any vendor, product or service depicted in this content nor makes any warranties, expressed or implied, with respect to this content, about its accuracy or completeness, including any warranties of merchantability or fitness for a particular purpose.

This site is protected by hCaptcha and its Privacy Policy and Terms of Use apply.


Software reviews and ratings for EMMS, BI, CRM, MDM, analytics, security and other platforms - Peer Insights by Gartner
Community GuidelinesListing GuidelinesBrowse VendorsRules of EngagementFAQsPrivacyTerms of Use

©2026 Gartner, Inc. and/or its affiliates.

All rights reserved.