CISO Tribune

Vendor comparison · 2 companies

Leonardo vs Stellar Cyber

Leonardo provides cyber security and digital resilience offerings including managed SOC services, incident response, threat intelligence, investigation support systems and secure analytics platforms for governments, critical infrastructure operators and enterprises. 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. 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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  • Leonardo
  • Stellar Cyber
Leonardo vs Stellar Cyber: Products, Customers and Funding Compared
LeonardoLeonardo provides cyber security and digital resilience offerings including managed SOC services, incident response, threat intelligence, investigation support systems and secure analytics platforms for governments, critical infrastructure operators and enterprises.leonardo.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
  • SOC Managed Services[2]A family of security operations center services that provide round-the-clock cyber security detection and monitoring for national and international customers.
  • Cyber professional services[2]Consulting services that help customers develop cyber strategy and governance programs.
  • Incident handling and response services[2]A team of consultants that responds to cyber attacks, supported by artificial intelligence technologies.
  • Threat Intelligence[2]Continuous monitoring and analysis of the open web and dark web to detect and predict cyber threats.
  • Investigation Support Systems[2]Proprietary platforms that support government and law enforcement agencies in investigation, intelligence and crime interdiction activities.
  • Secure Analytics[2]Analytics platforms that process large volumes of data, including from IoT infrastructures, to secure the delivery of critical services for industrial and government organizations.
  • 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
Not stated on its pagesNot 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
  • August 4, 2026Leonardo US Cyber & Security Solutions introduced SignalTrace as the new name for its electronic signature detection solution, previously called EOC Plus.[3]
  • March 12, 2026Leonardo presented to the financial community an update to its Industrial Plan to 2030, including medium-term targets.[5]
  • 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: listed, seen November 10, 2026[4]
  • 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
October 12, 2026November 9, 2026

Where they overlap

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

Where they differ, field by field

  • Leonardo's primary category is MDR and managed SOC; Stellar Cyber's is SIEM.
  • Leonardo is also filed under Incident response and forensics, Threat intelligence and Security consulting and advisory. Stellar Cyber is also filed under AI SOC analysts.
  • Leonardo lists SOC Managed Services, Cyber professional services, Incident handling and response services, Threat Intelligence, Investigation Support Systems and 1 more. Stellar Cyber lists Stellar Cyber Open XDR Platform.
  • Stellar Cyber is privately held.

Questions about Leonardo and Stellar Cyber

What do Leonardo and Stellar Cyber sell?
Leonardo sells SOC Managed Services, Cyber professional services, Incident handling and response services, Threat Intelligence, Investigation Support Systems and 1 more. Stellar Cyber sells Stellar Cyber Open XDR Platform.
Are Leonardo and Stellar Cyber in the same category?
They share MDR and managed SOC. Leonardo's primary category is MDR and managed SOC and Stellar Cyber's is SIEM.
Who owns Leonardo and Stellar Cyber?
Stellar Cyber is privately held.
Who are Leonardo and Stellar Cyber sold to?
Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs.
What have Leonardo and Stellar Cyber announced recently?
August 4, 2026: Leonardo US Cyber & Security Solutions introduced SignalTrace as the new name for its electronic signature detection solution, previously called EOC Plus. 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 Leonardo

Leonardo provides cyber security and digital resilience offerings including managed SOC services, incident response, threat intelligence, investigation support systems and secure analytics platforms for governments, critical infrastructure operators and enterprises. Its registered head office is in Rome, Italy.[1][2]

Leonardo on the record

Sources

Leonardo full record

  1. [1]cybersecurity.leonardo.comLeonardo · cybersecurity.leonardo.com · undated page, accessed October 12, 2026 · Tier A
  2. [2]Cyber digital solutionsLeonardo · cybersecurity.leonardo.com · undated page, accessed October 12, 2026 · Tier A
  3. [3]Leonardo US Cyber & Security Solutions, Inc. Introduces SignalTrace™, the Next Evolution in Electronic Signature Detection TechnologyBusiness Wire · published August 4, 2026 · Tier A
  4. [4]Leonardo.Ai Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed November 1, 2026 · Tier C
  5. [5]Update to the business plan, including objectives and prioritiesLeonardo · published March 12, 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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