CISO Tribune

Vendor comparison · 2 companies

Microsoft vs Stellar Cyber

Microsoft Defender offers threat prevention, detection and response capabilities. 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. 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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  • Microsoft
  • Stellar Cyber
Microsoft vs Stellar Cyber: Products, Customers and Funding Compared
MicrosoftMicrosoft Defender offers threat prevention, detection and response capabilities.microsoft.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
  • Microsoft Defender[1][11][12][23][25]Threat protection that prevents, detects and responds to attacks across devices, identities, applications, email, data, workloads and cloud environments.
  • Microsoft Sentinel[1][23]A cloud-native SIEM built for AI.
  • Microsoft Purview[1][14][23][24][25]Unified information protection, governance and compliance products.
  • Microsoft Entra[1][15][23][25]Identity and access products that verify every identity and access request across clouds, platforms and devices.
  • Microsoft Intune[1][16][23][25]Endpoint management products for device security and hybrid work.
  • Microsoft Defender Suite[12]Threat protection and detection and response across endpoints, identities, email and SaaS apps.
  • Microsoft Entra Suite[15]An extension to Microsoft 365 E3 or E5 for secure workforce use of apps and AI.
  • Microsoft Purview Suite[14]A suite that provides advanced data security and compliance capabilities.
  • 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
Redmond, United States[3]Not stated on its pages
Founded
1975[2]Not stated on its pages
Ownership and funding
Public (NASDAQ: MSFT)[4][10][22]Privately held[3][4]
Named customers
  • Best Buy[5]
  • Danfoss[6]
  • Oregon State University[7]
Not stated on its pages
Recent news
  • July 29, 2026Microsoft reported revenue of $90.0 billion for the quarter ended June 30, 2026, up 18% year over year.[8]
  • July 27, 2026Microsoft introduced Project Perception, an agentic security system that uses AI to turn signals into real-time protections.[21]
  • May 1, 2026Microsoft announced general availability of Microsoft 365 E7 and Microsoft Agent 365 on May 1, 2026.[28]
  • April 29, 2026Microsoft reported revenue of $82.9 billion for the quarter ended March 31, 2026, up 18% from a year earlier.[9]
  • December 22, 2025Microsoft announced the Defender Experts suite, an expert-led security offering for resellers and scale solution providers, generally available from January 1, 2026.[20]
  • 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[10]
  • 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
From its own pages, Microsoft sells security products for businesses of any size. Microsoft 365 Business Premium is aimed at small and medium-sized businesses, and Microsoft Defender is designed to protect individuals, businesses and enterprises. Microsoft refers to enterprise and government cloud customers, and Providence Care, a healthcare organization, uses Microsoft 365 E5 for healthcare security.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 2, 2026November 9, 2026

Where they overlap

  • Microsoft and Stellar Cyber are both filed under SIEM.

Where they differ, field by field

  • Microsoft's primary category is EDR and XDR; Stellar Cyber's is SIEM.
  • Microsoft is also filed under Workforce IAM and SSO and Endpoint management and application control. Stellar Cyber is also filed under AI SOC analysts and MDR and managed SOC.
  • Microsoft lists Microsoft Defender, Microsoft Sentinel, Microsoft Purview, Microsoft Entra, Microsoft Intune and 3 more. Stellar Cyber lists Stellar Cyber Open XDR Platform.
  • Microsoft is headquartered in Redmond, United States.
  • Microsoft was founded in 1975.
  • Microsoft is a public company listed on NASDAQ as MSFT. Stellar Cyber is privately held.
  • Microsoft publicly names Best Buy, Danfoss and Oregon State University.

What it sells: Microsoft

What Microsoft Defender does[1][11][12][23][25]
Microsoft Defender is a threat protection solution designed to protect individuals, businesses and enterprises from malicious cyberthreats. Microsoft Defender coordinates protection across endpoints, identity, email, apps and cloud.
What Microsoft Purview does[1][14][23][24][25]
Microsoft Purview offers a unified approach to help organizations secure and govern data across their heterogenous data estate. Microsoft Purview covers on-premises, multicloud and SaaS environments, and structured and unstructured data. Microsoft Purview features are purchased through different licenses or on a pay-as-you-go basis.
What Microsoft Entra does[1][15][23][25]
Azure Active Directory (Azure AD) was renamed Microsoft Entra ID in 2023. Purchase starts with Microsoft Entra ID P1 or P2 license subscriptions, which can also be purchased as part of a Microsoft 365 E3 or E5 license.
What Microsoft Intune does[1][16][23][25]
Microsoft Intune offers advanced endpoint management and security capabilities available as standalone add-ons or as part of the Intune Suite. Microsoft Intune Plan 1 is the endpoint management solution included in most Microsoft 365 enterprise licenses. Plan 1 covers cross-platform device management, built-in security, mobile application management and endpoint analytics.
What Microsoft Defender Suite does[12]
Microsoft Defender Suite focuses on threat protection and detection and response across endpoints, identities, email and SaaS apps. The integrated security operations center (ISOC) is included in the Defender Suite.
What Microsoft Entra Suite does[15]
Microsoft Entra Suite extends Microsoft 365 E3 or E5 to enable secure workforce use of apps and AI with continuous, adaptive identity and network access controls across employees, apps and networks. Microsoft Entra Suite requires a subscription to Microsoft Entra ID P1 or a package that includes Microsoft Entra ID P1.

Questions about Microsoft and Stellar Cyber

What do Microsoft and Stellar Cyber sell?
Microsoft sells Microsoft Defender, Microsoft Sentinel, Microsoft Purview, Microsoft Entra, Microsoft Intune and 3 more. Stellar Cyber sells Stellar Cyber Open XDR Platform.
Are Microsoft and Stellar Cyber in the same category?
They share SIEM. Microsoft's primary category is EDR and XDR and Stellar Cyber's is SIEM.
Where are Microsoft and Stellar Cyber headquartered?
Microsoft is headquartered in Redmond, United States.
When were Microsoft and Stellar Cyber founded?
Microsoft was founded in 1975.
Who owns Microsoft and Stellar Cyber?
Microsoft is a public company listed on NASDAQ as MSFT. Stellar Cyber is privately held.
Which customers do Microsoft and Stellar Cyber name?
Microsoft publicly names Best Buy, Danfoss and Oregon State University.
Who are Microsoft and Stellar Cyber sold to?
From its own pages, Microsoft sells security products for businesses of any size. Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs.
What have Microsoft and Stellar Cyber announced recently?
July 29, 2026: Microsoft reported revenue of $90.0 billion for the quarter ended June 30, 2026, up 18% year over year. 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 Microsoft

Microsoft Defender offers threat prevention, detection and response capabilities. Microsoft Defender coordinates protection across endpoints, identity, email, apps and cloud. Security Copilot agents come ready to use in Microsoft Entra, Microsoft Intune, Microsoft Purview, Microsoft Defender and Microsoft Sentinel.[11][15][16][23]

Microsoft Defender is a threat protection solution designed to protect individuals, businesses and enterprises from malicious cyberthreats. Microsoft Defender has the purpose of preventing, detecting and responding to attacks across devices, identities, applications, email, data, workloads and cloud environments. XDR capabilities are included with eligible Microsoft plans and supported Defender products. Microsoft offers cloud security for hybrid and multicloud environments across the full application lifecycle, from code to runtime. Microsoft offers vulnerability management with continuous vulnerability assessment, risk-based prioritization and remediation. Microsoft offers email and collaboration security against phishing and advanced cyberthreats such as business email compromise.[1][11][12][17][26][27]

Microsoft Defender Suite focuses on threat protection and detection and response across endpoints, identities, email and SaaS apps. The integrated security operations center (ISOC) is included in the Defender Suite. Microsoft Defender Suite is offered on its own or as part of Microsoft 365 E5. Microsoft Defender for Endpoint licenses include protection for up to 5 devices per user license. Microsoft Defender for Office 365 protects against email-based threats and secures collaboration tools including Microsoft Teams, SharePoint and OneDrive. Microsoft offers expert-led services to help defend against threats, build cyber resilience and modernize security operations. Microsoft offers AI-powered threat hunting across endpoints, identities, emails, cloud apps and cloud workloads.[1][11][12][14][19]

Microsoft offers a cloud-native SIEM built for AI. The cloud-native SIEM from Microsoft includes a built-in data lake. Azure Active Directory (Azure AD) was renamed Microsoft Entra ID in 2023. To purchase Microsoft Entra, customers start with Microsoft Entra ID P1 or P2 license subscriptions, which can also be purchased as part of a Microsoft 365 E3 or E5 license. Microsoft Entra Suite extends Microsoft 365 E3 or E5 to enable secure workforce use of apps and AI with continuous, adaptive identity and network access controls across employees, apps and networks. Microsoft Entra Suite requires a subscription to Microsoft Entra ID P1 or a package that includes Microsoft Entra ID P1. Identity Governance enforces least privilege access and automates access lifecycles.[1][12][15][23]

Microsoft Intune offers advanced endpoint management and security capabilities available as standalone add-ons or as part of the Intune Suite. The advanced capabilities include Endpoint Privilege Management (EPM), Enterprise App Management (EAM), Advanced Analytics, Remote Help, Microsoft Cloud PKI, Microsoft Tunnel for Mobile Application Management (MAM), Firmware-over-the-Air (FOTA) updates and Specialized Device Management. Microsoft Intune Plan 1 is the endpoint management solution included in most Microsoft 365 enterprise licenses, covering cross-platform device management, built-in security, mobile application management and endpoint analytics. Select advanced Intune capabilities are now included in Microsoft 365 E3 and E5.[1][16]

Microsoft Purview offers a unified approach to help organizations secure and govern data across their heterogenous data estate. Microsoft Purview enables organizations to secure and govern a data estate across on-premises, multicloud and SaaS environments, and across structured and unstructured data. Microsoft offers data security to discover, classify and protect sensitive data across a data estate. Microsoft Purview features are purchased through different licenses or on a pay-as-you-go basis. Microsoft Purview Suite (formerly Microsoft E5 Compliance Suite) provides advanced data security and compliance capabilities. Microsoft 365 E5 includes Office apps, identity and endpoint protection, and all Microsoft Purview Suite capabilities.[1][13][14][24]

Microsoft 365 Business Premium is a solution for small and medium-sized businesses. Microsoft 365 Business Premium includes Microsoft Defender for Business, Microsoft Defender for Office 365 Plan 1, Microsoft Entra ID Plan 1, Microsoft Intune Plan 1 and Microsoft Purview, along with Outlook, Word, Excel, PowerPoint, Teams, SharePoint, Clipchamp and Copilot Chat. Microsoft points organizations with more than 300 users to its enterprise offerings. Ford Motor Company uses Microsoft Security solutions to protect its data and operations. Providence Care uses Microsoft 365 E5 for healthcare security. Auckland Transport uses Microsoft Security Copilot for citywide cybersecurity. KPMG deployed Microsoft Defender for Cloud and Microsoft Purview for sensitive data that might be exfiltrated or overshared by AI apps.[1][12][13][14][15][17][18][25][26]

Microsoft on the record

Sources

Microsoft full record

  1. [1]Cloud Security Solutions | Microsoft SecurityMicrosoft · undated page, accessed September 27, 2026 · Tier A
  2. [2]AboutMicrosoft · news.microsoft.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Msft 20240630Microsoft Corporation via SEC EDGAR · sec.gov · undated page, accessed September 27, 2026 · Tier A
  4. [4]7c96b326 33bc 4b84 8abb 7afd7a517ea3Microsoft Corporation · microsoft.gcs-web.com · undated page, accessed September 27, 2026 · Tier A
  5. [5]25053 best buy microsoft sentinelMicrosoft · microsoft.com · published August 25, 2025 · Tier A
  6. [6]22786 danfoss microsoft sentinelMicrosoft · microsoft.com · published March 7, 2025 · Tier A
  7. [7]1747330384796486050 oregon state university microsoft security copilot higher education en united statesMicrosoft · microsoft.com · published March 14, 2024 · Tier A
  8. [8]Microsoft cloud and ai strength fuels fourth quarter results 4Microsoft · news.microsoft.com · published July 29, 2026 · Tier A
  9. [9]Microsoft cloud and ai strength fuels third quarter resultsMicrosoft · news.microsoft.com · published April 29, 2026 · Tier A
  10. [10]Microsoft 365 Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed October 26, 2026 · Tier C
  11. [11]Microsoft Defender—Cybersecurity Solutions | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  12. [12]Microsoft Defender Suite | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  13. [13]Microsoft Purview Suite | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  14. [14]Microsoft Purview Pricing | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  15. [15]Microsoft Entra Pricing | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  16. [16]Microsoft Intune Pricing | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  17. [17]Cybersecurity for small and medium business | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  18. [18]Security Copilot agents in Microsoft 365 E5 | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  19. [19]Microsoft Defender Pricing | Microsoft SecurityMicrosoft · undated page, accessed November 3, 2026 · Tier A
  20. [20]December 2025 announcements - Partner Center announcementsMicrosoft Learn · published December 22, 2025 · Tier A
  21. [21]Rethinking security for the age of AIThe Official Microsoft Blog · published July 27, 2026 · Tier A
  22. [22]Microsoft Reviews, Ratings & Features 2026 | Gartner Peer InsightsGartner Peer Insights · undated page, accessed November 3, 2026 · Tier C
  23. [23]Microsoft 365 Security Enterprise Plans| Microsoft SecurityMicrosoft · undated page, accessed November 10, 2026 · Tier A
  24. [24]Microsoft Purview: Data Security and Governance | Microsoft SecurityMicrosoft · undated page, accessed November 10, 2026 · Tier A
  25. [25]CybersecurityMicrosoft · undated page, accessed November 10, 2026 · Tier A
  26. [26]Microsoft Defender Suite for Microsoft 365 Business Premium | Microsoft SecurityMicrosoft · undated page, accessed November 10, 2026 · Tier A
  27. [27]Microsoft Mobile Phone Authenticator | Microsoft SecurityMicrosoft · undated page, accessed November 10, 2026 · Tier A
  28. [28]Leading Frontier Firm transformation with Microsoft 365 E7: The partner opportunityMicrosoft · published May 1, 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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