Echo, a Tel Aviv-based cybersecurity startup focused on securing container infrastructure through automation, has announced a significant funding milestone of $35m.
The company raised the investment from a Series A funding round led by N47, with participation from Notable Capital, Hyperwise Ventures and SentinelOne’s S Ventures. The latest investment brings Echo’s total funding to $50m since its launch, said Security Week.
Founded in 2025, Echo develops AI agents designed to build and maintain secure Docker container images by eliminating vulnerabilities at the source. Rather than scanning for issues after deployment, the company takes a preventative approach by rebuilding container base images from the ground up. Its technology strips open-source images of non-essential components, reducing the overall attack surface while preserving the functionality developers expect.
Echo’s container images are designed to act as drop-in replacements for standard Docker images, requiring developers to change just a single line of code in a Dockerfile. According to the company, this allows engineering teams to reduce inherited vulnerabilities without re-architecting existing applications. The firm currently maintains a library of more than 600 container images.
A key differentiator is the autonomous nature of Echo’s AI agents. When new security flaws are disclosed, the agents independently research the vulnerability, identify affected images, build or source fixes, apply patches, run compatibility tests and generate pull requests. This continuous maintenance model aims to ensure images remain CVE-free as new threats emerge, without placing additional operational burden on engineering teams.
Echo said the new funding will be used to accelerate product development, expand its engineering team and scale adoption among large enterprises running complex cloud environments. The company is targeting organisations operating thousands of cloud services, where vulnerabilities can quickly accumulate through inherited dependencies.
Echo CTO Eylam Milner said, “Large organizations with thousands of cloud services inherit millions of security issues before their engineers write a single line of code,” adding that most container flaws originate from the base image layer.
Echo CEO Eilon Elhadad said, “Our time-to-value is instant, with customers immediately seeing their vulnerability count drop to zero when moving to Echo images.”
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