Cylake

Cylake is an artificial intelligence company in Sunnyvale, United States, founded in 2026. It has raised $290.0M across 2 rounds, most recently a $245.0M Convertible Note in September 2026.

A complete, AI-native, data-driven cybersecurity platform that doesn’t depend on the public cloud

Employees
11–50
Founded
2026
Business Model
B2B
Website
cylake.com
Total Funding
$290.0M
Last Round
$245.0M Convertible NoteSep 2026
Rounds
2

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 2 funding rounds and 7 investors for this company. The full record is or through the API.

About

Cylake is a Sunnyvale, California-based cybersecurity startup building an AI-native, data-driven security platform for organizations that cannot rely on the public cloud for regulatory or security reasons. Founded by Palo Alto Networks founder Nir Zuk, longtime Palo Alto Networks engineering leader Wilson Xu, and SentinelOne co-founder Ehud (Udi) Shamir, the company combines hardware and software into a single on-premises or private-cloud system that delivers deep analysis and agentic protection for the world's largest and most regulated institutions.

Summary

It lists 11–50 employees. It has raised $290.0M in total across 2 rounds, most recently a $245.0M Convertible Note round in Sep 2026. Investors include Lightspeed Venture Partners, Greylock Partners and Picture Capital.

Tech & App Stack

7 technologies & apps tracked

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Funding History

Data from Indexed.vcUpdated
ConvertibleConvertible NoteSep 2026
$245.0M

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Funding: Seed through Convertible Note. Amounts, valuations, and investors where available.

Investors

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