CISO Tribune

Vendor comparison · 2 companies

Proficio vs Stellar Cyber

Proficio sells managed detection and response (MDR) services. 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 MDR and managed SOC and SIEM. 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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  • Proficio
  • Stellar Cyber
Proficio vs Stellar Cyber: Products, Customers and Funding Compared
ProficioProficio sells managed detection and response (MDR) services.proficio.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
  • ProSOC MDR[1][4][6][7][8][9][14]24/7 monitoring and SOC-as-a-Service powered by the Proficio-hosted SIEM.
  • ProSOC MDR for Microsoft[1][9]Managed detection and response integrated with Microsoft Sentinel SIEM.
  • Active Defense Response[1][4][6]Response-as-a-service that uses SOAR capabilities to automate threat responses.
  • Cyber Exposure Monitoring[4][7]Continuous external threat monitoring for exposed data and Dark Web leaks.
  • Risk Based Vulnerability Management[1]Identifies and prioritizes vulnerabilities and offers a risk score.
  • 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][3]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
Not written yetStellar 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 6, 2026November 9, 2026

Where they overlap

  • Proficio and Stellar Cyber are both filed under MDR and managed SOC and SIEM.

Where they differ, field by field

  • Proficio's primary category is MDR and managed SOC; Stellar Cyber's is SIEM.
  • Proficio is also filed under Vulnerability management and Breach simulation and automated pen-testing. Stellar Cyber is also filed under AI SOC analysts.
  • Proficio lists ProSOC MDR, ProSOC MDR for Microsoft, Active Defense Response, Cyber Exposure Monitoring and Risk Based Vulnerability Management. Stellar Cyber lists Stellar Cyber Open XDR Platform.
  • Proficio was founded in 2010.
  • Stellar Cyber is privately held.

What it sells: Proficio

What ProSOC MDR does[1][4][6][7][8][9][14]
ProSOC MDR offers continuous security monitoring, advanced threat detection, automated response-as-a-service, risk-based vulnerability management and Dark Web monitoring. The Proficio-hosted SIEM generates security alerts based on Proficio Content from client security logs and events. Proficio forwards valid threats or risks to the client with summarized guided remediation.
What ProSOC MDR for Microsoft does[1][9]
ProSOC MDR for Microsoft Sentinel offers 24/7 monitoring, automated threat response and managed SIEM services. ProSOC MDR provides expert configuration, access to 300+ threat detection use cases and the Threat Intelligence Profiler for Microsoft Sentinel deployment.
What Active Defense Response does[1][4][6]
Active Defense for Endpoint isolates devices from the network, blocks malicious processes and removes artifacts. Proficio offers the option of automating the response to high priority threats by adding Active Defense Response to a ProSOC MDR service.
What Risk Based Vulnerability Management does[1]
Proficio Risk-Based Vulnerability Management identifies vulnerabilities, prioritizes them for resolution and offers a risk score benchmarked against similar companies in the healthcare industry. Proficio Risk-Based Vulnerability Management helps fulfill PCI requirements by identifying vulnerabilities and applying patches based on risk ranking. ProSOC MDR with Risk-based Vulnerability Management prioritizes vulnerabilities based on exploit risk in hospitality, asset criticality and known activity.

Questions about Proficio and Stellar Cyber

What do Proficio and Stellar Cyber sell?
Proficio sells ProSOC MDR, ProSOC MDR for Microsoft, Active Defense Response, Cyber Exposure Monitoring and Risk Based Vulnerability Management. Stellar Cyber sells Stellar Cyber Open XDR Platform.
Are Proficio and Stellar Cyber in the same category?
They share MDR and managed SOC and SIEM. Proficio's primary category is MDR and managed SOC and Stellar Cyber's is SIEM.
When were Proficio and Stellar Cyber founded?
Proficio was founded in 2010.
Who owns Proficio and Stellar Cyber?
Stellar Cyber is privately held.
Who are Proficio and Stellar Cyber sold to?
Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs.
What have Proficio 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 Proficio

Proficio sells managed detection and response (MDR) services. Proficio offers a fully hosted, Proficio-managed platform or a co-managed model that works alongside an existing Microsoft Sentinel or Splunk investment. Proficio delivers Agentic AI SOC-powered cybersecurity services with 24/7 autonomous monitoring, AI-driven threat detection and automated response across all IT assets. Proficio operates 24/7 global Security Operations Centers staffed by certified analysts.[1][5][6]

ProSOC MDR offers continuous security monitoring, advanced threat detection, automated response-as-a-service, risk-based vulnerability management and Dark Web monitoring. Proficio combines 24/7 monitoring with SOC-as-a-Service powered by the Proficio-hosted SIEM to provide advanced threat detection, investigation and response alerting services. Proficio forwards valid threats or risks to the client with summarized guided remediation.[6][7]

Proficio's hosted SIEM collects client security logs and events and generates security alerts based on Proficio Content. Proficio's fully managed SIEM supports 350+ log sources. Proficio applies machine learning to reduce false positives, discover targeted or anomalous threats and initiate threat hunting activity. Proficio analysts use the MITRE ATT&CK Framework to analyze attacks as a set of behaviors. Proficio manages incident alerts through its ticketing system, ServiceNow. ProSOC MDR provides detailed incident investigations, guided remediation and access to real-time log data through the Proficio Threat Investigator Portal.[6][8]

ProSOC MDR for Microsoft Sentinel is a managed detection and response service integrated with Microsoft Sentinel SIEM, offering 24/7 monitoring, automated threat response and managed SIEM services. ProSOC MDR provides expert configuration, access to 300+ threat detection use cases and the Threat Intelligence Profiler for Microsoft Sentinel deployment. For a client-owned Splunk SIEM, either on-prem or cloud-hosted, Proficio delivers 24/7 security monitoring, advanced threat detection, automated response, managed SIEM services and implementation support. Proficio Managed SIEM applies to a client-owned Microsoft Sentinel or Splunk SIEM investment.[6][9]

Active Defense for Endpoint isolates devices from the network, blocks malicious processes and removes artifacts. Proficio Risk-Based Vulnerability Management identifies vulnerabilities, prioritizes them for resolution and offers a risk score benchmarked against similar companies in the healthcare industry. Proficio Breach and Attack Simulation Service simulates attacks to identify vulnerabilities and improve incident response preparedness.[1][8][10][11]

For endpoints, Proficio security experts use the client's EDR solutions to conduct in-depth forensic investigations and audit the affected device. ProSOC Identity Threat Detection and Response (ITDR) uses advanced behavior analysis to spot identity-based attacks that get past perimeter defenses. Proficio device experts take on security device management tasks. Proficio provides 24/7 health monitoring and optimization of security devices. Proficio professional services cover incident response and strategic guidance across the full cybersecurity lifecycle.[10][11]

ProSOC MDR is described for healthcare providers and payors. ProSOC MDR aligns with healthcare regulations like HIPAA by implementing industry-standard security practices. Proficio offers Managed Detection and Response services designed for hospitality businesses. Proficio offers its Managed Detection and Response Services to law firms and corporate legal departments. Proficio offers a portfolio of Managed Detection and Response services for manufacturing operations. ProSOC MDR is offered for financial services. Proficio offers solutions designed to address GLBA and FFIEC compliance requirements. Proficio solutions align with the NIST Cybersecurity Framework.[6][7][8][11][12][13][14][15]

Proficio on the record

Sources

Proficio full record

  1. [1]proficio.comProficio · proficio.com · undated page, accessed November 6, 2026 · Tier A
  2. [2]About usProficio · proficio.com · undated page, accessed November 6, 2026 · Tier A
  3. [3]Proficio named soc team of the yearProficio · proficio.com · published February 3, 2022 · Tier A
  4. [4]Next-Gen MDR & Agentic AI SOC Services | ProficioProficio · undated page, accessed November 10, 2026 · Tier A
  5. [5]Agentic AI SOC | Proficio – AI-Powered Managed Detection & ResponseProficio · undated page, accessed November 10, 2026 · Tier A
  6. [6]ProSOC XDR: SOC-as-a-Service powered by a fully-hosted SIEMProficio · undated page, accessed November 10, 2026 · Tier A
  7. [7]Safeguard Hospitality Data with ProSOC® MDRProficio · undated page, accessed November 10, 2026 · Tier A
  8. [8]ProSOC MDR: Proactive defense against cyber threats in the healthcare sectorProficio · undated page, accessed November 10, 2026 · Tier A
  9. [9]ProSOC® MDR for Microsoft Sentinel | 24/7 Threat Detection & ResponseProficio · undated page, accessed November 10, 2026 · Tier A
  10. [10]Resolve Endpoint Security Challenges with Proficio® ProSOC MDRProficio · undated page, accessed November 10, 2026 · Tier A
  11. [11]ProSOC MDR Services for Law Firms and Corporate Legal DepartmentsProficio · undated page, accessed November 10, 2026 · Tier A
  12. [12]ProSOC® MDR for Financial Services: Cybersecurity and Ransomware ProtectionProficio · undated page, accessed November 10, 2026 · Tier A
  13. [13]ProSOC® MDR Services: Cybersecurity for Manufacturing - Ransomware Protection & Active DefenseProficio · undated page, accessed November 10, 2026 · Tier A
  14. [14]Proficio Cybersecurity Solutions | Protecting Your Business from Cyber ThreatsProficio · undated page, accessed November 10, 2026 · Tier A
  15. [15]Strengthen Compliance Efforts with Expert MDR Services | ProficioProficio · 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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