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Stellar Cyber is a technology company.
Stellar Cyber offers an Open XDR platform designed to provide comprehensive security operations by unifying various tools and data sources. Its core product leverages AI-driven SIEM, Network Detection and Response (NDR), Identity Threat Detection and Response (ITDR), and User Entity Behavior Analytics (UEBA) to deliver full-cycle threat detection and automated response capabilities. The platform aims to consolidate and streamline security infrastructure, offering a unified approach to cybersecurity.
The company was founded in 2015 by Aimei Wei. The founding team possessed significant expertise spanning networking, cybersecurity, big data, machine learning, and Generative AI. Their insight centered on the need to simplify increasingly complex security operations by integrating disparate security tools and data into a single, cohesive platform, thereby enhancing visibility and enabling more efficient threat management.
Stellar Cyber's platform serves a diverse clientele across sectors such as manufacturing, government, higher education, and financial services, with a notable focus on Managed Security Service Providers (MSSPs) and Managed Detection and Response (MDR) providers. The company's long-term vision is to empower organizations with a human-augmented autonomous Security Operations Center (SOC), providing continuous protection and reducing the operational burden of security teams through intelligent automation and unified threat intelligence.
Stellar Cyber has raised $65.1M across 4 funding rounds.
Stellar Cyber has raised $65.1M in total across 4 funding rounds.
Stellar Cyber has raised $65.1M in total across 4 funding rounds.
Stellar Cyber's investors include Highland Capital Partners, Clear Ventures, Dell Technologies Capital, General Catalyst, HighlandX, Lightspeed Venture Partners, Prosperity7 Ventures, Samsung NEXT Ventures, Sequoia Capital, The Valley Fund, Zetta Venture Partners, Mike Vernal.
Stellar Cyber is a cybersecurity technology company that builds an AI-native Open XDR SecOps platform designed to unify security tools, automate threat detection and response, and empower lean security teams in enterprises and Managed Security Service Providers (MSSPs).[1][2][8] The platform solves the problem of fragmented security stacks by providing comprehensive visibility across cloud, on-premises, OT environments, endpoints, networks, and SaaS apps through features like AI-driven SIEM, NDR, UEBA, ITDR, Multi-Layer AI™, and automated hunting—serving mid-sized organizations and MSSPs with over 14,000 customers in 50+ countries.[2][3][4][8] Its growth momentum is evident in adoption by one-third of the top 250 MSSPs, patented innovations like Kill Chain Loop™, and recognition as a leader in award-winning AI-powered security operations.[3][4]
Stellar Cyber was founded in 2015 by Aimei Wei, who aimed to democratize cybersecurity by leveraging AI and machine learning to address the dilemma of complex, inefficient security tools.[3] Wei invented a family of cybersecurity sensors that index security metadata at ingestion for easy normalization and correlation, enabling AI to spot anomalies across the attack surface including cloud, SaaS, apps, users, endpoints, and networks.[3] Early traction came from integrating with popular security tools and delivering visibility into hidden threats, evolving into the leading Open XDR provider for enterprises and MSSPs through relentless R&D.[3]
Stellar Cyber rides the trend toward AI-native, unified SecOps platforms amid exploding cyber threats, cloud migrations, and OT vulnerabilities, where traditional point solutions create blind spots and alert fatigue.[1][2][3][8] Timing is ideal as organizations demand Open XDR to consolidate tools—Stellar Cyber influences the ecosystem by enabling autonomous SOCs, supporting MSSPs in scaling services, and integrating seamlessly with EDR, IAM, email, and cloud security, thus reducing costs and risks across the kill chain.[2][4][6] Market forces like regulatory pressures and skilled analyst shortages favor its human-augmented automation, positioning it as a trusted leader shaping proactive cybersecurity.[3][4][7]
Stellar Cyber is poised to expand its dominance in AI-driven SecOps, with next steps focusing on enhancing Multi-Layer AI™, cloud/OT integrations, and autonomous response to counter evolving threats like AI-powered attacks.[1][3][8] Trends such as zero-trust architectures, generative AI in security, and MSSP growth will propel it, potentially growing its 14,000+ customer base through global expansion and partnerships.[2][4] Its influence may evolve by setting standards for open platforms, helping lean teams "see what’s coming and act fast," reinforcing its mission from a scrappy sensor innovator to cybersecurity illuminator.[2][3]
Stellar Cyber has raised $65.1M across 4 funding rounds. Most recently, it raised $38.0M Series B in November 2021.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Nov 1, 2021 | $38.0M Series B | Highland Capital Partners | Clear Ventures, Dell Technologies Capital, General Catalyst, HighlandX, Lightspeed Venture Partners, Prosperity7 Ventures, Samsung NEXT Ventures, Sequoia Capital, The Valley Fund, Zetta Venture Partners, Mike Vernal, Shivon Zilis, Northern Light Venture Capital, Raymond Liao, SIG, Raymond C. |
| Mar 25, 2020 | $7.1M Series A Extension | Big Basin Capital, Green Bay Ventures, Northern Light Venture Capital, Susquehanna International Group, Raymond C. | |
| Sep 1, 2019 | $7.0M Series A | Highland Capital Partners, HighlandX, Samsung NEXT Ventures, The Valley Fund | |
| Feb 1, 2019 | $13.0M Series A | Steve O'Hara | Highland Capital Partners, HighlandX, Samsung NEXT Ventures, The Valley Fund, Digital Hearts, Northern Light Venture Capital |