Seal Security Raises $13M Series A to Secure Open Source Code at Scale

▤ Summary

Seal Security raised $13 million in Series A funding led by Vertex Israel, bringing its total funding to $20 million. The company builds application security software that automatically curates vulnerability-free open source components and provides production-ready patches without version upgrades or complex migrations. Seal says customer growth and ARR have accelerated, and it has more than doubled headcount over the past year. The new capital will support go-to-market expansion and further platform development. The company positions its product as a remediation layer for open source and container environments that helps teams reduce vulnerability backlogs and maintain compliance.

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