Echo Raises $50 Million in Funding to Build Secure, AI‑Native Infrastructure for Modern Applications

Echo, a cybersecurity and AI‑powered infrastructure company focused on eliminating software vulnerabilities at the foundation of cloud‑native applications, has rapidly scaled its funding base less than a year after launching. The startup, co‑founded by Eilon Elhadad and Eylam Milner—both seasoned security technologists and veterans of Israel’s Unit 8200—announced the completion of a $35 million Series A funding round in December 2025, bringing its total capital raised to $50 million since inception.

Echo builds what it calls an AI‑native operating system for cloud applications by autonomously creating container base images that are free of known vulnerabilities. These container images serve as the foundation for modern software, and Echo’s system continuously maintains them as new Common Vulnerabilities and Exposures (CVEs) arise, dramatically reducing the risk landscape for enterprise customers. Its approach leverages AI agents that analyze vulnerabilities, identify affected images, apply fixes, and generate updates with minimal human intervention. Echo’s technology is already deployed by organizations securing cloud workloads across industries.

The $35 million Series A round was led by N47, a global venture capital firm with a focus on enterprise technology and AI‑driven infrastructure companies. N47’s lead position signals strong conviction in Echo’s vision of secure‑by‑design infrastructure and reflects the market opportunity for automated, AI‑centric defense mechanisms in a rapidly evolving cybersecurity landscape.

Participating in the Series A alongside N47 were existing backers Notable Capital and Hyperwise Ventures, both of which had previously supported Echo’s seed financing, as well as S Ventures—the investment arm of cybersecurity firm SentinelOne. This constellation of investors brings a blend of capital, strategic insight, and deep operational experience in enterprise security and AI infrastructure—an asset as Echo scales its product and go‑to‑market efforts.

Echo’s journey to this funding milestone began with a $15 million seed round announced earlier in July 2025, also led by Notable Capital and Hyperwise Ventures, with participation from SVCI. That initial financing was deployed to accelerate early product development, customer acquisition, and go‑to‑market expansion as the company tackled the growing problem of insecure container base images—a challenge that has become more acute as the adoption of AI accelerates software development cycles and increases the volume of exploitable code in production environments.

Less than five months after its seed close, Echo’s Series A financing pushed its total funding to $50 million, underscoring strong investor enthusiasm and confidence in the company’s mission to fundamentally address systemic vulnerabilities in software supply chains. Echo’s rapid fundraising is especially notable in the context of a broader cybersecurity market where enterprises are seeking solutions that shift the paradigm from reactive vulnerability scanning to proactive, automated defense architectures.

Echo’s core platform uses purpose‑built AI agents to autonomously maintain hundreds of hardened, CVE‑free container images. By focusing on the elimination of vulnerabilities at their source—before software is even deployed—Echo’s technology offers a stark contrast to traditional vulnerability management tools, which typically detect and prioritize known risks but leave engineers to manually remediate them. Echo’s approach can dramatically reduce the time between identifying a vulnerability and delivering a secure replacement image, shortening remediation cycles from months to hours in some cases.

The company’s founders bring a strong track record of operating at the intersection of cloud security and AI. Prior to founding Echo, Elhadad and Milner were co‑creators of Argon, a software supply chain security company that was acquired by Aqua Security, and both have extensive backgrounds developing security technologies in highly demanding environments. Their experience has informed Echo’s focus on scalable, automated defenses that align with how modern cloud‑native applications are built and deployed.

Echo’s expanded funding will be directed toward accelerating product development, deepening enterprise integrations, growing its engineering and customer success teams, and expanding its footprint in key markets where secure infrastructure is a strategic priority. Echo’s investors believe that AI‑driven, secure‑by‑design systems are essential as organizations move critical workloads to cloud environments and contend with increasingly sophisticated threats.

With usage already underway at major companies and a robust capital base to back its next phase of growth, Echo is positioned to influence how enterprises approach infrastructure security in an era where AI and automation are reshaping both development and defense.