Cybersecurity company Echo, which develops secure AI-based software infrastructure, has raised $35 million in a Series A funding round led by N47 Fund, with participation from Notable Capital, Hyperwise Ventures, and SentinelOne.
The financing comes just four months after a $15 million Seed round, bringing Echo’s total funding to $50 million less than a year after its founding.
Echo was founded in early 2025 by CEO Eilon Elhadad and CTO Eylam Milner, both experienced cybersecurity experts and veterans of Israel’s elite Unit 8200 and the Ofek intelligence unit.
Before Echo, the duo founded Argon in 2020, which was acquired within a year by Aqua Security for $100 million.
The company says its software is already being used by many organizations, including Vectra AI, EDB, Port, UiPath, and Varonis. Echo has also partnered with several well-known security companies such as Wiz, Orca, Aqua, Mend, and Anchor.
Echo currently has a team of 35 employees based in Israel and New York. The company plans to use the new funding to hire more people, improve its product, and grow its sales and business operations.
“Studies consistently show that more than 90% of container vulnerabilities originate from the base image layer rather than application code,” said Eylam Milner, co-founder and CTO of Echo. “This means enterprises with thousands of cloud services inherit millions of security issues before their engineers write a single line of code.”
“AI agents now write more code than humans, while bad actors use AI to compress exploit windows from weeks down to hours,” said Moshe Zilberstein, General Partner at N47. “This AI-versus-AI arms race makes manual vulnerability management obsolete. Echo is building what every Fortune 1000 company needs: an AI-native OS that’s secure-by-design.”
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