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High Tech Seed Founded 2026

Cylake

Cylake develops a complete, AI-native, data-driven cybersecurity platform that does not depend on the public cloud. The platform is built on a single data foundation ensuring operational sovereignty, combining hardware and software components to provide end-to-end cybersecurity with deep analysis and complete agentic protection. Designed for regulated industries, it works on-premises or in private cloud without…

📍 Sunnyvale, United States · Security & Surveillance Technology

Funding snapshot

Last roundSeed
Amount$45M
Date5 March 2026
Total raised$45M
Team size17

About

Cylake develops a complete, AI-native, data-driven cybersecurity platform that does not depend on the public cloud. The platform is built on a single data foundation ensuring operational sovereignty, combining hardware and software components to provide end-to-end cybersecurity with deep analysis and complete agentic protection. Designed for regulated industries, it works on-premises or in private cloud without relying on public cloud or public AI infrastructure. Founded in 2026 in Sunnyvale, United States, the company has raised $45.0M in seed funding from Greylock Partners. Developer of an AI-native cybersecurity platform for on-premises or private cloud. It combines hardware and software components to provide an end-to-end cybersecurity system. The system delivers deep analysis and agentic protection without relying on public cloud infrastructure.

Business model

Security & Surveillance Technology > CSIM

Founders & team highlights

$50M+ Club Founder,

Founder with Prior IPO,

Serial Founder

Team background

Company Wise > Apple,

College Wise > Tsinghua University, The Hebrew University of Jerusalem

Institutional investors

Greylock Partners

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