CISO Tribune

Vendor comparison · 2 companies

Stellar Cyber vs WithSecure

Stellar Cyber sells a SecOps platform that uses AI for threat detection and response through unified NG-SIEM, NDR, and Open XDR capabilities. WithSecure builds and maintains cybersecurity products and services to protect businesses and organizations from cyber threats. 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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Up to four companies side by side.

  • Stellar Cyber
  • WithSecure
Stellar Cyber vs WithSecure: Products, Customers and Funding Compared
Stellar CyberStellar Cyber sells a SecOps platform that uses AI for threat detection and response through unified NG-SIEM, NDR, and Open XDR capabilities.stellarcyber.aiWithSecureWithSecure builds and maintains cybersecurity products and services to protect businesses and organizations from cyber threats.withsecure.com
What it sells
  • 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.
  • Elements[1][3][7][9][10][11]WithSecure Elements is a portfolio of cybersecurity offerings sold in pre-packaged bundles.
  • Elements Endpoint Security[9]Endpoint security product for Mac, Windows and Linux workstations and servers.
  • Elements Identity Security[9]Identity security product for Microsoft Entra ID.
  • WithSecure MDR[9]Managed detection and response service run by WithSecure experts for endpoints and identities.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Privately held[3][4]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • October 5, 2026Stellar Cyber announced version 7.0 of its security operations platform, adding AI case triage, case metrics and expanded automated response.[16]
Not stated on its pages
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
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.The WithSecure Elements portfolio is geared to help mid-sized companies move from reactive to proactive cyber security measures. A separate bundle is for MSPs serving mid-sized or higher-risk clients who need proactive and reactive coverage. WithSecure describes one platform designed for midsize organizations.
Last verified
November 9, 2026November 5, 2026

Where they overlap

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

Where they differ, field by field

  • Stellar Cyber's primary category is SIEM; WithSecure's is Endpoint protection platforms.
  • Stellar Cyber is also filed under AI SOC analysts. WithSecure is also filed under EDR and XDR and Mobile security.
  • Stellar Cyber lists Stellar Cyber Open XDR Platform. WithSecure lists Elements, Elements Endpoint Security, Elements Identity Security and WithSecure MDR.
  • Stellar Cyber is privately held.

What it sells: WithSecure

What Elements does[1][3][7][9][10][11]
The WithSecure Elements portfolio is geared to help mid-sized companies move from reactive to proactive cyber security measures. Elements bundles are sold pre-packaged. The Elements integration with ConnectWise PSA automatically forwards security activity from Elements into ConnectWise PSA as tickets.
What Elements Endpoint Security does[9]
WithSecure Elements Endpoint Security covers Mac, Windows, and Linux workstations and servers. One lightweight agent blocks known and unknown threats, including fileless attacks and malware with no known signature. Users can isolate a device, kill a process, quarantine a file, or block a network connection in one click from the management console.
What Elements Identity Security does[9]
WithSecure Elements Identity Security is for Microsoft Entra ID. WithSecure experts detect and respond to Entra ID credential theft, privilege escalation, and business email compromise 24/7.
What WithSecure MDR does[9]
WithSecure MDR handles 24/7 detection and response. For endpoints, WithSecure experts monitor, investigate, and respond to endpoint threats 24/7. For identities, WithSecure experts detect and respond to Entra ID credential theft, privilege escalation, and business email compromise 24/7.

Questions about Stellar Cyber and WithSecure

What do Stellar Cyber and WithSecure sell?
Stellar Cyber sells Stellar Cyber Open XDR Platform. WithSecure sells Elements, Elements Endpoint Security, Elements Identity Security and WithSecure MDR.
Are Stellar Cyber and WithSecure in the same category?
They share MDR and managed SOC. Stellar Cyber's primary category is SIEM and WithSecure's is Endpoint protection platforms.
Who owns Stellar Cyber and WithSecure?
Stellar Cyber is privately held.
Who are Stellar Cyber and WithSecure sold to?
Stellar Cyber describes its open SecOps platform as built for lean security teams and MSSPs. The WithSecure Elements portfolio is geared to help mid-sized companies move from reactive to proactive cyber security measures.
What have Stellar Cyber and WithSecure 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 Stellar Cyber

Stellar Cyber sells a SecOps platform that uses AI for threat detection and response through unified NG-SIEM, NDR, and Open XDR capabilities. Stellar Cyber includes Next-Gen SIEM, NDR, UEBA, and more for a single price. Stellar Cyber covers the entire attack surface across cloud, endpoint, network, applications and users with consolidated tools under a single Data Lake, a single AI engine, a single pane of glass and a single license. Stellar Cyber unifies data from any tool, cloud, or source into a single MITRE-aligned case timeline. Stellar Cyber connects to customers' tools and telemetry through two-way integrations.[1][2][5][6][7][9]

Stellar Cyber collects data from any security product, IT, and productivity tool using pre-built integrations. Stellar Cyber collects raw network and log data to identify additional threats. Stellar Cyber automatically normalizes and enriches data for analysis. Stellar Cyber has 400+ integrations. Stellar Cyber comes with a suite of embedded security applications, such as IDS and sandboxing.[8][10]

Stellar Cyber has bi-directional, out-of-the-box integrations for 32 EDRs, and endpoint data is automatically enriched with network, identity, cloud, and application logs. Stellar Cyber lets users integrate unlimited instances of multiple types of EDRs, or one instance of a single type, and manage all operations from one platform.[11]

Stellar Cyber combines static rules, supervised and unsupervised machine learning, and automated threat hunting to identify advanced threats. Stellar Cyber lets users schedule repeatable threat hunts across the entire dataset. Stellar Cyber creates correlated cases that give security analysts prioritized threats to investigate. Stellar Cyber's automatic triage discards false positives and prioritizes real threats. Stellar Cyber lets users respond to threats automatically or manually directly from the platform. Stellar Cyber monitors cloud, endpoint, network, and IoT environments in real time.[8][12]

Stellar Cyber uses Machine Learning and Deep Learning models designed to eliminate reliance on rules and manual threat detection methods. Stellar Cyber uses unsupervised machine learning techniques to uncover unknown and zero-day threats. Stellar Cyber correlates detections and other data signals through a GraphML-based AI that automatically assembles related data points. Stellar Cyber offers conversational GenAI acting as a virtual investigation assistant. AI Investigator responds to analysts' questions during complex threat analysis.[13]

Stellar Cyber's Agentic AI guides analysts through embedded frameworks and automates routine tasks. Stellar Cyber playbooks can be deployed globally or per tenant, with Agentic AI enabling adaptive responses. Stellar Cyber provides built-in playbooks for standard actions and custom playbooks that trigger EDR responses, call webhooks, or send emails. Stellar Cyber integrates with SOAR, EDR, and threat intelligence platforms.[12][13]

Stellar Cyber Open XDR can be deployed and used on-premises, from the cloud, or co-managed by an MSSP of your choice. Stellar Cyber's license is consumption-based and includes all features, functions, future advancements, and enablement. Stellar Cyber lets MSSPs manage multiple clients through a single platform while maintaining client data separation. Stellar Cyber supports client-branded dashboards and reports.[7][15]

FUJISOFT introduced Stellar Cyber to its own company in 2018 and has been providing SOC services for customers using Stellar Cyber and other products since 2020. Stellar Cyber says its open SecOps platform is built for lean security teams and MSSPs.[5][10][12][13][15]

Stellar Cyber on the record

Sources

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

WithSecure full record

  1. [1]withsecure.comWithSecure · withsecure.com · undated page, accessed November 5, 2026 · Tier A
  2. [2]Business suite privacy policyWithSecure · withsecure.com · published July 1, 2022 · Tier A
  3. [3]Press releasesWithSecure · withsecure.com · undated page, accessed November 5, 2026 · Tier A
  4. [4]Privacy and Security - WithSecure™WithSecure · undated page, accessed November 10, 2026 · Tier A
  5. [5]European Cybersecurity for MSPs | WithSecureWithSecure · undated page, accessed November 10, 2026 · Tier A
  6. [6]Building and sustaining digital trust, confidence and equity - WithSecure™WithSecure · undated page, accessed November 10, 2026 · Tier A
  7. [7]Why WithSecure - WithSecure™WithSecure · undated page, accessed November 10, 2026 · Tier A
  8. [8]Trade compliance - WithSecure™WithSecure · undated page, accessed November 10, 2026 · Tier A
  9. [9]Pricing - WithSecure™WithSecure · undated page, accessed November 10, 2026 · Tier A
  10. [10]Network addresses for WithSecure Elements (cloud-managed products) - WithSecure™WithSecure Support · undated page, accessed November 10, 2026 · Tier A
  11. [11]ConnectWise PSA Integration | WithSecure™ ConnectWithSecure Connect · undated page, accessed November 10, 2026 · Tier A
  12. [12]WithSecure™ Cloud Protection for Salesforce Terms of Service - WithSecure™WithSecure · undated page, accessed November 10, 2026 · Tier A

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