Company profile
Stellar Cyber
Open SecOps platform bundling AI SIEM, NDR, and Open XDR under one license; heavy MSSP adoption.
- Status
- PrivateResearch map: Private
- Valuation
- Undisclosed
- Latest funding
- Undisclosed
- HQ
- San Jose / US (Startup Radar)
- Website
- stellarcyber.ai
- Last updated
Categories
Funding & valuation
Funding: Undisclosed — no round recorded in the CyberMerge Funding Tracker.
Research map notes
- Research map · XDR · Undisclosed Series C ~$21–34M (2023); later debt facility — no public post-money disclosed Source (recorded Oct 1, 2026)
Latest signals
- Startup Radar · Security Operations Center · snapshot Sep 30, 2026 Apr 2026: $25M debt from Horizon Technology Finance. Last equity ~$34M Aug 2023; ~$119M total cited. Still private. Source
- Startup Radar · Threat Detection · snapshot Sep 24, 2026 Included in the 2026 Gartner MQ for NDR (Challenger in the 2025 MQ; 15 Jun 2026 company announcement). Still private. Source
Competitors
Same-category peers from CyberMerge Research maps, Startup Radar and What's The Use tags.
- AnvilogicPrivateAgentic detection engineering and Detection-as-Code across SIEM and data lakes.
- ExaforcePrivateAI-native SOC with real-time security knowledge graph and Exabot agents, plus MDR overlay.
- CriblPrivateTelemetry / security data pipeline (SIEM-adjacent) expanding into SOC via CardinalOps detection engineering…
- HuntersPrivateNext-gen SIEM / SOC platform with open security data lake, built-in detections, and Pathfinder agentic…
- Query.AIPrivateFederated search/investigation layer so SOC analysts query SIEM, EDR, cloud, and identity data where it…
- CynetPrivateAll-in-one XDR/NGAV/EDR plus automated response for lean teams.
- Command ZeroPrivateFederated AI SOC investigation platform: agents query existing tools without log ingest; Throughline living…
- Arctic WolfPrivateCloud-native Aurora SOC-as-a-service: MDR, concierge security, and risk operations for mid-market and…
- 7AIPrivateMulti-agent AI SOC (Cybereason co-founders); swarming agents cover detection-to-response on the existing…
- CroglPrivateAutonomous AI agents investigate every alert and hunt advisories over non-normalized security data (no…
- CylakePrivateSovereign AI-native SecOps platform for regulated on-prem/private-cloud environments: unified data…
- Binary DefensePrivateMDR plus NightBeacon AI SOC platform (also NightBeacon CMD standalone) correlating endpoint, identity,…
Figures appear only as recorded in CyberMerge data, with source and date. “Undisclosed” means no published figure in our data. Editorial, not investment advice. Last updated . Spot an error? Tell the desk.
