Stellar Cyber
Stellar Cyber is a private, AI-native SecOps platform vendor that unifies NG-SIEM, NDR, ITDR, UEBA, and Open XDR capabilities, sold primarily through its MSSP partner network and directly to lean enterprise security teams across more than 50 countries.
- Company typePrivate
- Founded2015
- HeadquartersSanta Clara, United States
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What Stellar Cyber does
Stellar Cyber Inc. is a privately held cybersecurity software company founded in 2015 and headquartered in San Jose, California, that builds an AI-native Security Operations (SecOps) platform unifying Next-Generation SIEM, Network Detection and Response (NDR), Identity Threat Detection and Response (ITDR), User and Entity Behavior Analytics (UEBA), Threat Intelligence Platform (TIP), and Open XDR capabilities inside a single console. The platform is built around a proprietary Multi-Layer AI architecture that combines supervised and unsupervised detection models, GraphML-based correlation, an LLM-driven natural-language investigation assistant (AI Investigator), and Agentic AI for autonomous alert triage, phishing response, and playbook execution, with over 40 pre-built Automated Threat Hunting playbooks and 400+ out-of-the-box integrations spanning EDR, SIEM, firewall, cloud, identity, SOAR, ITSM, OT, and email security stacks.
Stellar Cyber monetizes through a subscription-based platform model with predictable annual billing, sold both directly to enterprise security teams and indirectly via its Infinity Partner Program to MSSPs and MDR providers worldwide; the company reports serving over 14,000 organizations across more than 50 countries, with claimed presence in 33% of the MSSP Alert Top 250 MSSPs and a #2 vendor ranking in the 2025 MSSP Alert Top 250 report. The platform is designed specifically for lean enterprise security teams and MSSPs that need to consolidate fragmented SIEM, UEBA, NDR, and SOAR stacks into a single multi-tenant, multi-tier, multi-site architecture, with customer-reported outcomes including 60-80% reduction in analyst triage time, up to 70% reduction in alert noise, up to 20x improvement in MTTD, and up to 8x improvement in MTTR.
Commercially, the company operates a partner-centric go-to-market anchored on the Infinity Partner Program (recognized as a 5-star program in the 2026 CRN Partner Program Guide) and the Open Cybersecurity Alliance, complemented by a direct enterprise field-sales motion; strategic alliances with Cato Networks, NetFoundry, Security Validation, and Marlink extend reach into SASE, zero-trust networking, MSSP advisory services, and maritime/OT verticals respectively. The company has raised approximately $118 million in cumulative capital across seed through Series B and an exempt offering (most recently a $38M Series B in November 2021 led by Highland Capital Partners with Samsung participation, a $33.74M exempt offering in 2023, and a $25M delayed-draw senior credit facility from Horizon Technology Finance in April 2026), and is led by Founder and CTO Aimei Wei with operational leadership spanning CEO Changming Liu, CROs David McKeough and Jim O'Hara, and SVP of Product Management Mayuresh Ektare (appointed April 2026 from Qualys).
Stellar Cyber firmographics
Firmographics- Name
- Stellar Cyber
- Legal name
- Stellar Cyber Inc.
- Website
- https://www.stellarcyber.ai
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Stellar Cyber is a private, AI-native SecOps platform vendor that unifies NG-SIEM, NDR, ITDR, UEBA, and Open XDR capabilities, sold primarily through its MSSP partner network and directly to lean enterprise security teams across more than 50 countries.
- Ownership category
- akta.pro rank
Stellar Cyber industry classification
Industry- Product category
- Security Operations Platform (Open XDR / NG-SIEM)
- NAICS
- Software Publishers (513210), Computer Systems Design and Related Services (5415), Security Systems Services (except Locksmiths) (561621)
- SIC
- Services-Computer Integrated Systems Design (7373), Services-Computer Programming Services (7371)
- akta.pro primary industry
- Extended Detection & Response (XDR) (HDADAEAB)
- akta.pro secondary industries
- Attack Detection & Response for Cloud/SaaS (SOC for Cloud) (HDADAGAJ), Network Detection & Response (NDR) (HDADABAI), Identity Threat Detection & Response (ITDR) (HDAEAJAH)
Keywords
Where Stellar Cyber is headquartered
LocationHeadquarters
- HQ city
- Santa Clara
- HQ country
- United States
- HQ region
- North America
Offices6 records
Markets served
Stellar Cyber business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Platform/SaaS Subscription: AI-native SecOps platform delivered as subscription, supporting over 14,000 organizations across more than 50 countries
- MSSP Platform Licensing: Multi-tier, multi-tenant platform licensing model for MSSPs to deliver SOC-as-a-Service and MDR services
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Unified platform with predictable pricing |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels6 records
Stellar Cyber product offering
Product offeringCore offering
Stellar Cyber sells an AI-native Security Operations Platform that unifies Next-Generation SIEM, Network Detection and Response (NDR), Identity Threat Detection and Response (ITDR), User and Entity Behavior Analytics (UEBA), Threat Intelligence, and Open XDR into a single console powered by its proprietary Multi-Layer AI. The platform is sold primarily as a subscription to MSSPs/MDR providers and lean enterprise security teams, with over 400 native integrations enabling Open XDR deployment without rip-and-replace of existing security tools.
Product overview
Stellar Cyber offers an AI-native unified Security Operations Platform built around its proprietary Multi-Layer AI architecture. The platform combines multiple security capabilities in a single integrated console: Next-Generation SIEM (NG-SIEM), Network Detection & Response (NDR), Identity Threat Detection & Response (ITDR), User & Entity Behavior Analytics (UEBA), Threat Intelligence Platform (TIP), Open XDR, and Agentic AI-powered automation. The platform is designed specifically for MSSPs and lean enterprise security teams, featuring multi-tier, multi-tenant, multi-site architecture. Key modules include AI Investigator for natural language threat hunting, Agentic Auto Triage for automated alert and phishing triage, Automated Threat Hunting with 40+ pre-built playbooks, and AI-Driven Case Management. Stand-alone products include the MITRE ATT&CK Coverage Analyzer and OT Security monitoring. The platform integrates with over 400 security and IT tools through its open architecture approach.
Differentiator
Problem solved
Functional benefit
Products and services
- AI-Native Security Operations Platform
Quantifiable outcome
- 60-80% reduction in analyst triage time
- +6 more outcomes
Companies that use Stellar Cyber
Customer profileNamed customers8 records
Segments7 records
Ideal customer profiles4 records
Stellar Cyber technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration75 records
AI capability9 records
Feature9 records
Stellar Cyber partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core.
- MarlinkcoreMarlink, a maritime MSP headquartered in Paris and Oslo, added Stellar Cyber's network detection and response (NDR) technology to its MSSP SecOps ecosystem, targeting improved threat monitoring across remote and business-critical industrial environments including shipping, energy, offshore, and mining operations.
- Security Validation | SecValMSSPcoreStrategic partnership to deliver advanced, outcome-driven managed security services combining Stellar Cyber's AI-driven SecOps platform with Security Validation's cybersecurity advisory expertise and global delivery model for unified threat detection, automated investigation, and compliance validation.
- Cato NetworkscoreCollaboration to deliver AI-driven SecOps on the Cato SASE platform, combining Cato's security and networking telemetry with Stellar Cyber's AI-native analytics capabilities including SIEM, NDR/OT, ITDR, and UEBA in a single workflow for edge-to-cloud visibility.
- NetFoundrycoreStrategic partnership combining AI-driven security operations with zero trust networking capabilities. Integration enables identity-based visibility and control beyond traditional IP addressing, with NetFoundry joining Stellar Cyber's Open Cybersecurity Alliance.
Scale indicators15 records
Recent moves6 records
Expansion highlights7 records
Stellar Cyber competitors and assessment
Company assessmentDirect peers
- LogRhythm: SIEM and XDR platform with strong enterprise and MSSP customer base. Competes directly in the NG-SIEM and Open XDR categories where Stellar Cyber plays.
- Devo Technology: Cloud-native SIEM and security analytics platform. Targets similar enterprise and MSSP segments with AI-driven security operations capabilities.
- Arctic Wolf: Security operations platform delivered primarily through MDR/SOC-as-a-Service model. Competes with Stellar Cyber for MSSP partner mindshare and end-customer security operations budgets.
- ReliaQuest: Open XDR-focused security operations platform with strong MSSP integration model. Closest competitor in the 'open architecture' XDR positioning versus proprietary vendor stacks.
- Exabeam: AI-driven security operations platform combining SIEM, UEBA, and XDR capabilities. Most direct competitor in the AI-native SecOps category, particularly for lean enterprise security teams.
- Securonix: Cloud-native SIEM with UEBA and XDR capabilities, with strong MSSP/SOC-as-a-Service orientation similar to Stellar Cyber's GTM motion.
Broad incumbents
- Microsoft Sentinel: Cloud-native SIEM/SOAR from Microsoft bundled with Azure and E5 licensing. Competes directly with Stellar Cyber's NG-SIEM and Open XDR, particularly for enterprises already standardized on Microsoft security stack.
- Splunk (Cisco): Enterprise SIEM leader now under Cisco, with growing security operations offerings. Stellar Cyber explicitly positions against Splunk as a lower-cost SIEM augmentation and replacement, and one customer (Large American City) reported replacing Splunk with 50% cost reduction.
- Palo Alto Networks Cortex XSIAM: Unified SOC platform from Palo Alto Networks combining XDR, SIEM, SOAR, and ASM. Direct competitor in the AI-native SOC platform category with broader security portfolio and larger sales footprint.
- CrowdStrike Falcon Platform: Endpoint-led platform extending into XDR, SIEM (LogScale), and identity protection. Stellar Cyber integrates with CrowdStrike as 'Bring Your Own EDR' but competes for unified SOC platform budget.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
Stellar Cyber social profiles
Digital presenceStellar Cyber compliance and trust
Trust signalCompliance4 records
Stellar Cyber financial estimates
Financial estimateRevenue estimate
Valuation estimate
Stellar Cyber leadership team
Management profileNumber of profiles
Profiles11 records
Stellar Cyber funding detail
Funding detailFunding overview
Funding rounds6 records
Investors14 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Stellar Cyber M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Stellar Cyber
What does Stellar Cyber do?
Stellar Cyber sells an AI-native Security Operations Platform that unifies Next-Generation SIEM, Network Detection and Response (NDR), Identity Threat Detection and Response (ITDR), User and Entity Behavior Analytics (UEBA), Threat Intelligence, and Open XDR into a single console powered by its proprietary Multi-Layer AI. The platform is sold primarily as a subscription to MSSPs/MDR providers and lean enterprise security teams, with over 400 native integrations enabling Open XDR deployment without rip-and-replace of existing security tools.
Is Stellar Cyber a public or private company?
Stellar Cyber is a private company. It is classified as venture growth investor backed and is currently operating.
When was Stellar Cyber founded?
Stellar Cyber was founded in 2015. It employs 101 to 250 people.
Where is Stellar Cyber based?
Stellar Cyber is headquartered in Santa Clara, United States, in the North America region.
How does Stellar Cyber make money?
Two revenue lines are on record. Platform/SaaS Subscription is the primary driver. The others are MSSP Platform Licensing.
Who are Stellar Cyber's main competitors?
Direct peers on record are LogRhythm, Devo Technology, Arctic Wolf, ReliaQuest, Exabeam and Securonix. Broad incumbents are Microsoft Sentinel, Splunk (Cisco), Palo Alto Networks Cortex XSIAM and CrowdStrike Falcon Platform.
Does Stellar Cyber have an API?
Yes. Stellar Cyber provides REST APIs that enable access to data stored in the Data Lake. These APIs allow integration with third-party SOAR products including Phantom, Cortex XSOAR, Swimlane, and Siemplify (now part of Google). The platform supports flexible data integration through Data Sink feature which can stream raw data with fused context, AI-generated Alerts, Cases, or both to any location.
What industry is Stellar Cyber in?
Stellar Cyber's product category is Security Operations Platform (Open XDR / NG-SIEM). Its primary akta.pro industry code is HDADAEAB, Extended Detection & Response (XDR), with a secondary code of HDADAGAJ, Attack Detection & Response for Cloud/SaaS (SOC for Cloud). Its NAICS code is 513210 and its SIC code is 7373.