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 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.