SubImage is an infrastructure mapping and security platform designed to provide organizations with comprehensive visibility into their cloud and on-prem environments. As described on the SubImage website, it offers an open-core alternative to Wiz, enabling security teams to see exactly what assets are exposed, misconfigured, or vulnerable, and prioritize remediation with actionable, context-rich insights.
How Does SubImage Work?
SubImage automatically discovers and maps your entire infrastructure, integrating with both cloud and on-premises systems. The platform leverages Cartography—an open-source knowledge graph technology—to collect and relate data across various assets, offering a unified view of security posture. Its agentless and frictionless approach means organizations can deploy SubImage without the operational overhead of installing agents on every asset. Key capabilities include:
- Continuous visibility into cloud and on-prem resources
- Identification of misconfigurations, vulnerabilities, and exposures
- Actionable insights with deep context to accelerate remediation
- Flexible integration through open APIs
What Makes SubImage Different?
SubImage positions itself as the open-core alternative to proprietary tools like Wiz. Built on the open-source Cartography project (originally developed at Lyft and donated to The Linux Foundation in 2024), SubImage emphasizes transparency, extensibility, and the power of community-driven innovation. Its agentless architecture and focus on actionable, knowledge graph-driven insights help security teams cut through alert noise and resolve root causes efficiently.
Who Uses SubImage?
While specific customer names are not publicly listed, SubImage is intended for security teams within organizations that need to monitor and secure complex cloud and hybrid infrastructures. Its capabilities are especially relevant for businesses that prioritize rapid discovery of vulnerabilities and misconfigurations, and require flexible integration with existing security workflows.
Leadership Team
SubImage was founded by Alex Chantavy (Co-founder & CEO) and Kunaal Sikka (Co-founder & President). Alex Chantavy brings over 14 years of experience in information security, having built vulnerability management platforms at Lyft, led Red Team penetration tests at Microsoft, and worked at the NSA. Kunaal Sikka is a former Lyft Staff Engineer and Anthropic Member of Technical Staff, with deep expertise in security infrastructure, including next-generation SIEM and vulnerability management systems. Both founders co-created the Cartography project and have extensive backgrounds in building security tooling for large-scale environments. Learn more about their story on the Founders' Story page.
Recent News and Developments
SubImage recently announced its launch on Hacker News (Launch HN post). The Cartography open-source project underlying SubImage was created at Lyft in 2019 and donated to The Linux Foundation in 2024, furthering its open-source commitment.
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