CISO Tribune

Vendor comparison · 2 companies

Gurucul vs Stellar Cyber

Gurucul sells unified Entity Intelligence, which fuses Behavioral AI with traditional detections across humans, machines and AI systems. Stellar Cyber sells a SecOps platform that uses AI for threat detection and response through unified NG-SIEM, NDR, and Open XDR capabilities. CISO Tribune files both under SIEM and AI SOC analysts. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Gurucul
  • Stellar Cyber
Gurucul vs Stellar Cyber: Products, Customers and Funding Compared
GuruculGurucul sells unified Entity Intelligence, which fuses Behavioral AI with traditional detections across humans, machines and AI systems.gurucul.comStellar CyberStellar Cyber sells a SecOps platform that uses AI for threat detection and response through unified NG-SIEM, NDR, and Open XDR capabilities.stellarcyber.ai
What it sells
  • Data Optimizer[7]Gurucul Data Optimizer filters, deduplicates, and down-samples logs.
  • UEBA[2][3][5][14]Gurucul combines UEBA capabilities with identity and access analytics for healthcare insider threat teams.
  • Virtual AI SOC Analyst[5]Gurucul's Virtual AI SOC Analyst performs L1 evidence gathering.
  • SOAR[8]Gurucul SOAR includes built-in response playbooks for use cases including incident response, threat hunting, vulnerability management, and compliance reporting.
  • Identity Analytics[11]Gurucul Identity Analytics (IdA) gives analysts a real-time, 360-degree view of activity on-premises, on mobile devices, and in the cloud.
  • Open XDR[9]Gurucul Open XDR includes a library of customizable response playbooks, federated search across the data fabric, and link analysis for contextualizing incidents.
  • Stellar Cyber Open XDR PlatformA SecOps platform that unifies SIEM, network detection and response, identity threat detection and response, and behavior analytics with AI-driven detection, investigation and response.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
2010[2]Not stated on its pages
Ownership and funding
Not stated on its pagesPrivately held[3][4]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pages
  • October 5, 2026Stellar Cyber announced version 7.0 of its security operations platform, adding AI case triage, case metrics and expanded automated response.[16]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Insider risk teams are offered one entity risk score across employees and AI agents. Gurucul describes MSSPs as needing an open and flexible security analytics platform to tailor detections, investigations and response to their customers' requirements. For regulated industries, Gurucul names NIST, PCI DSS, HIPAA and GDPR, with on-prem, multi-cloud or hybrid deployment. Gurucul describes a managed healthcare insurance company among its customers. Gurucul describes a Midwest U.S. healthcare organization that turned to Gurucul to prevent insider threats.Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs. Stellar Cyber designs its enterprise platform for security teams of any size or skill level. Stellar Cyber Open XDR can be deployed on-premises, from the cloud, or co-managed by an MSSP.
Last verified
November 3, 2026November 9, 2026

Where they overlap

  • SIEM is the primary category of both Gurucul and Stellar Cyber; both are also filed under AI SOC analysts.

Where they differ, field by field

  • Gurucul is also filed under Insider risk management and SOAR and security automation. Stellar Cyber is also filed under MDR and managed SOC.
  • Gurucul lists Data Optimizer, UEBA, Virtual AI SOC Analyst, SOAR, Identity Analytics and 1 more. Stellar Cyber lists Stellar Cyber Open XDR Platform.
  • Gurucul was founded in 2010.
  • Stellar Cyber is privately held.

How they differ

CISO Tribune files both Gurucul and Stellar Cyber under SIEM as the primary category, and both also appear under AI SOC analysts. Gurucul was founded in 2010, and Stellar Cyber is privately held.

Gurucul sells separate products including Data Optimizer, UEBA, a Virtual AI SOC Analyst, SOAR, Identity Analytics and Open XDR. Its Data Optimizer filters, deduplicates, and down-samples logs, and its UEBA is aimed at healthcare insider threat teams. Stellar Cyber sells an Open XDR Platform that unifies SIEM, network detection and response, identity threat detection and response, and behavior analytics. Stellar Cyber says its license is consumption-based and includes all features.

Gurucul names regulated industries with NIST, PCI DSS, HIPAA and GDPR, and describes a managed healthcare insurance company among its customers. Upwork modernized its SOC with Gurucul's Next-Gen SIEM. Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs, and it can be deployed on-premises, from the cloud, or co-managed by an MSSP. FUJISOFT introduced Stellar Cyber to its own company in 2018 and has provided SOC services using it since 2020. On October 5, 2026, Stellar Cyber announced version 7.0 of its security operations platform, adding AI case triage, case metrics and expanded automated response.

What it sells: Gurucul

What Data Optimizer does[7]
Gurucul Data Optimizer filters, deduplicates, and down-samples logs. Gurucul Data Optimizer is built natively into the Gurucul SIEM platform and consolidates ingestion control, filtering, real-time transformation and contextual enrichment into a single engine. Gurucul can route specific streams to any SIEM, XDR, or low-cost cold storage while keeping the ability to search and replay data for compliance and forensics. Gurucul lets customers pick from a library of built-in integrations, spin up custom connectors, or request a new one in 48 hours.
What UEBA does[2][3][5][14]
Gurucul combines UEBA capabilities with identity and access analytics for healthcare insider threat teams. Gurucul uses user and entity behavioral analytics, with 97% alignment with the MITRE ATT&CK framework, and integrates healthcare threat intelligence from CISA and Health Information Sharing and Analysis Center.
What Virtual AI SOC Analyst does[5]
Gurucul's Virtual AI SOC Analyst performs L1 evidence gathering. Gurucul uses Agentic AI across the threat lifecycle for triaging, escalating and responding.
What SOAR does[8]
Gurucul SOAR includes built-in response playbooks for use cases including incident response, threat hunting, vulnerability management, and compliance reporting. Gurucul SOAR integrates with downstream security solutions to block, disable or isolate risky users and entities. Gurucul SOAR customers can add micro playbook services to standard processes and link them together in workflows for different remediation paths.
What Identity Analytics does[11]
Gurucul Identity Analytics (IdA) gives analysts a real-time, 360-degree view of activity on-premises, on mobile devices, and in the cloud. Gurucul Identity Analytics gives security teams dynamic risk scores and analytics data that help inform provisioning, de-provisioning, authentication, and privileged access management. Gurucul Identity Analytics addresses Segregation of Duties (SoD) violations and toxic combinations of access.
What Open XDR does[9]
Gurucul Open XDR includes a library of customizable response playbooks, federated search across the data fabric, and link analysis for contextualizing incidents. Gurucul Open XDR incorporates identity and access analytics with user behavior to detect, prioritize, and respond to identity-based attacks. Gurucul Open XDR is cloud-native, open, and architected to federate security analytics across globally dispersed cloud and hybrid infrastructures.

Questions about Gurucul and Stellar Cyber

What do Gurucul and Stellar Cyber sell?
Gurucul sells Data Optimizer, UEBA, Virtual AI SOC Analyst, SOAR, Identity Analytics and 1 more. Stellar Cyber sells Stellar Cyber Open XDR Platform.
Are Gurucul and Stellar Cyber in the same category?
Yes. SIEM is the primary category of both on CISO Tribune.
When were Gurucul and Stellar Cyber founded?
Gurucul was founded in 2010.
Who owns Gurucul and Stellar Cyber?
Stellar Cyber is privately held.
Who are Gurucul and Stellar Cyber sold to?
Insider risk teams are offered one entity risk score across employees and AI agents. Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs.
What have Gurucul and Stellar Cyber announced recently?
October 5, 2026: Stellar Cyber announced version 7.0 of its security operations platform, adding AI case triage, case metrics and expanded automated response.

About Gurucul

Gurucul sells unified Entity Intelligence, which fuses Behavioral AI with traditional detections across humans, machines and AI systems. Gurucul REVEAL is a cloud-native engine architected to federate analytics across globally dispersed, heterogeneous environments. The Entity Intelligence Engine from Gurucul includes 5,000+ glass-box ML models and patented Link Chain Analysis. Gurucul has been focused on R&D and engineering for more than a decade.[1][4][5]

Gurucul has an open architecture that allows customers to replace a SIEM or augment a stack. Gurucul can be deployed as SaaS, cloud, on-premises or hybrid. Gurucul offers 10,000+ content items and a native Data Pipeline Manager. Gurucul uses Agentic AI across the threat lifecycle for triaging, escalating and responding. Gurucul's Virtual AI SOC Analyst performs L1 evidence gathering. Gurucul provides a native AI assistant and federated search across a customer's data ecosystem. Gurucul NG-SIEM maps ML detections directly to regulatory frameworks including NIST 800-53, PCI DSS, and HIPAA. Gurucul REVEAL identifies over-privileged accounts, rogue credentials, and subtle lateral movement.[1][5]

Gurucul Data Optimizer filters, deduplicates, and down-samples logs. Gurucul Data Optimizer is built natively into the Gurucul SIEM platform and consolidates ingestion control, filtering, real-time transformation and contextual enrichment into a single engine. Gurucul can route specific streams to any SIEM, XDR, or low-cost cold storage while keeping the ability to search and replay data for compliance and forensics. Gurucul lets customers pick from a library of built-in integrations, spin up custom connectors, or request a new one in 48 hours. Gurucul offers storage in a customer's data lake, a 3rd-party SIEM, on-prem, or Gurucul storage. Gurucul defines security data pipeline management as the process of filtering, enriching, and routing security telemetry before it reaches downstream tools like SIEM, XDR, and data lakes. Upwork modernized its SOC with Gurucul's Next-Gen SIEM.[1][4][5][7]

Gurucul SOAR includes built-in response playbooks for use cases including incident response, threat hunting, vulnerability management, and compliance reporting. Gurucul SOAR integrates with downstream security solutions to block, disable or isolate risky users and entities. Gurucul SOAR customers can add micro playbook services to standard processes and link them together in workflows for different remediation paths. Gurucul's dynamic risk engine normalizes risk scores from 0-100. Gurucul Open XDR includes a library of customizable response playbooks, federated search across the data fabric, and link analysis for contextualizing incidents. Gurucul Open XDR incorporates identity and access analytics with user behavior to detect, prioritize, and respond to identity-based attacks. Gurucul Open XDR is cloud-native, open, and architected to federate security analytics across globally dispersed cloud and hybrid infrastructures. Gurucul lets analysts perform federated searches to query decentralized security and observability data.[1][8][9][10]

Gurucul Identity Analytics (IdA) gives analysts a real-time, 360-degree view of activity on-premises, on mobile devices, and in the cloud. Gurucul Identity Analytics gives security teams dynamic risk scores and analytics data that help inform provisioning, de-provisioning, authentication, and privileged access management. Gurucul Identity Analytics addresses Segregation of Duties (SoD) violations and toxic combinations of access. Gurucul Identity Threat Detection and Response (ITDR) delivers real-time insight into the identity attack surface and gives security teams visibility into over-privileged, rogue, orphaned, or compromised accounts. For cloud security monitoring, Gurucul ships with 5,000+ machine learning models out-of-the-box. Gurucul offers data masking capabilities that let security teams run analytics across geographically dispersed cloud environments.[11][12][13]

Gurucul offers a product that connects AI activity with the people, machines, access, and data around it. Gurucul shows every AI agent, model, and tool in use, and who owns it. Gurucul gives insider risk teams one entity risk score across employees and AI agents. Gurucul combines UEBA capabilities with identity and access analytics for healthcare insider threat teams. Gurucul uses user and entity behavioral analytics, with 97% alignment with the MITRE ATT&CK framework, and integrates healthcare threat intelligence from CISA and Health Information Sharing and Analysis Center.[3][4][14]

Gurucul delivers healthcare cybersecurity solutions to detect real-time threats, streamline compliance, protect patient data, and minimize the attack surface. Gurucul unifies relevant data including Security, Network, IT, IoMT, OT, Cloud, Identity, Electronic Health Records (EHR) and priority application data. Gurucul establishes behavioral baselines for each medical device and monitors activity patterns such as volume, time, location, and network flows. A large Midwest U.S. healthcare organization with over 14 hospitals and 29,000 employees turned to Gurucul to prevent insider threats and protect and update medical devices storing patient health information. Gurucul describes MSSPs as needing an open and flexible security analytics platform to tailor detections, investigations and response to their customers' requirements. For regulated industries, Gurucul names NIST, PCI DSS, HIPAA and GDPR, with on-prem, multi-cloud or hybrid deployment. Gurucul addresses enterprises and regulated mid-market organizations.[4][5][6][14][15]

Gurucul on the record

Sources

Gurucul full record

  1. [1]gurucul.comGurucul · gurucul.com · undated page, accessed November 3, 2026 · Tier A
  2. [2]About guruculGurucul · gurucul.com · undated page, accessed November 3, 2026 · Tier A
  3. [3]International Pharmaceutical Company Case StudyGurucul · gurucul.com · undated page, accessed November 3, 2026 · Tier A
  4. [4]Gurucul | AI Security, Next-Gen SIEM & Risk ManagementGurucul · undated page, accessed November 10, 2026 · Tier A
  5. [5]A Smart SIEM for the Smarter AI SOC | Next-Gen SIEMGurucul · undated page, accessed November 10, 2026 · Tier A
  6. [6]SOC Transformation | Gurucul Security Analytics PlatformGurucul · undated page, accessed November 10, 2026 · Tier A
  7. [7]Data Pipeline Management for Instant Intelligent Savings | GuruculGurucul · undated page, accessed November 10, 2026 · Tier A
  8. [8]Security Orchestration, Automation and Response SOAR | GuruculGurucul · undated page, accessed November 10, 2026 · Tier A
  9. [9]Open XDR Platform for Unified Threat Detection | GuruculGurucul · undated page, accessed November 10, 2026 · Tier A
  10. [10]TDIR: Threat Detection Investigation and Response | GuruculGurucul · undated page, accessed November 10, 2026 · Tier A
  11. [11]Identity Analytics (IdA) for Threat Detection | GuruculGurucul · undated page, accessed November 10, 2026 · Tier A
  12. [12]ITDR: Identity Threat Detection and Response | GuruculGurucul · undated page, accessed November 10, 2026 · Tier A
  13. [13]Cloud Security Monitoring – Multi-Cloud Monitoring | GuruculGurucul · undated page, accessed November 10, 2026 · Tier A
  14. [14]Healthcare Cybersecurity Analytics Solution | GuruculGurucul · undated page, accessed November 10, 2026 · Tier A
  15. [15]Unified Security Analytics Platform for MSSPsGurucul · undated page, accessed November 10, 2026 · Tier A

Stellar Cyber full record

  1. [1]ProductStellar Cyber · stellarcyber.ai · published February 25, 2026 · Tier A
  2. [2]Stellar cyber announces agentic ai autonomous soc in 6 4 0 releaseStellar Cyber · stellarcyber.ai · published March 16, 2026 · Tier A
  3. [3]Stellar cyber named one of americas best startup employersStellar Cyber · stellarcyber.ai · published November 21, 2024 · Tier A
  4. [4]ISOC Platform with AI SIEM, NDR, Open XDR & Multi-Layer AIStellar Cyber · undated page, accessed October 29, 2026 · Tier A
  5. [5]Stellar Cyber Automation-driven SecOps PlatformStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  6. [6]Stellar Cyber vs Sumo Logic: Expert SIEM Solution ComparisonStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  7. [7]Stellar Cyber vs Splunk: In-Depth SIEM Solution ComparisonStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  8. [8]Integrated Security Operations Center (ISOC) PlatformStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  9. [9]SC vs Microsoft Sentinel: Comprehensive SIEM SolutionStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  10. [10]SC vs. CrowdStrike | Compare Leading Cybersecurity PlatformsStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  11. [11]EDR Software, Endpoint Detection & ResponseStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  12. [12]Stellar Cyber Autonomous SOC PlatformStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  13. [13]Stellar Cyber Multi-Layer AI™ | Advanced AI Platform for SecOpsStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  14. [14]Stellar Cyber AI SIEM | AI-Driven SIEM PlatformStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  15. [15]Stellar Cyber vs AlienVault: In-Depth SIEM Solution ComparisonStellar Cyber · undated page, accessed November 10, 2026 · Tier A
  16. [16]Stellar Cyber 7.0 Makes the Agentic SOC Measurable, Actionable and Operational at ScaleStellar Cyber · published October 5, 2026 · Tier A

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