What is Subimage?
Subimage operates at the intersection of cloud infrastructure management and cybersecurity, offering the first open-core cloud security graph designed specifically for the enterprise. By mapping an organization's entire digital footprint, the platform enables security teams to pinpoint misconfigurations, identify asset ownership, and prioritize vulnerability remediation with unprecedented precision. The technology, which draws on the expertise of the team behind the renowned Lyft Cartography open-source project, serves as a critical tool for incident response and proactive risk mitigation. In an era where cloud complexity is a primary driver of security gaps, Subimage provides the necessary clarity to maintain a hardened security posture across hybrid and multi-cloud deployments.
How much funding has Subimage raised?
Subimage has raised a total of $4.7M across 2 funding rounds:
Angel/Pre-Seed
$500K
Seed
$4.2M
Angel/Pre-Seed (2025): $500K with participation from Y Combinator
Seed (2025): $4.2M led by Y Combinator, FundersClub, and Transpose Platform
Key Investors in Subimage
Y Combinator
A premier startup accelerator and early-stage venture firm that provides seed capital and mentorship to high-growth technology companies.
FundersClub
An online venture capital platform that connects accredited investors with vetted startups, facilitating portfolio diversification and strategic growth.
Transpose Platform
A global formation-stage venture capital fund that partners with missionary founders to build category-defining companies through deep operational support.
What's next for Subimage?
With this latest infusion of capital, Subimage is poised to scale its engineering efforts and expand its market reach. The company's strategic roadmap likely involves deepening its integration capabilities with existing enterprise security stacks and enhancing its automated remediation features. As the firm transitions into this next phase of growth, it will focus on solidifying its position as a category-defining player in the cloud security sector. Investors are closely watching how the company will leverage its open-core model to foster a broader ecosystem of security practitioners, potentially setting a new standard for how large-scale organizations visualize and secure their cloud-native assets.
See full Subimage company page
