Cylake

Summary active Updated Aug 31, 2026

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Location United States
Founded 2026
Latest Stage Seed
Total Raised $45M
Sector
cybersecurity ai infrastructure

Investors

Greylock Partners seed (2026)

Founders

Nir Zuk Founder & CEO
Wilson Xu Co-Founder
Ehud (Udi) Shamir Co-Founder

About

Cylake is a cybersecurity company building AI-native, agentic security architecture on a single, sovereign data foundation for organizations that require total data sovereignty and cannot use products tied to the public cloud 12. The company was founded by Nir Zuk (also founder of Palo Alto Networks), Wilson Xu, and Ehud (Udi) Shamir 1. Cylake launched from stealth on March 5, 2026 and is currently working with design partners; product availability is anticipated in early 2027 1.

Funding History

Date Round Amount Lead Co-investors
2026-03-05 Seed $45M Greylock Partners Additional experienced technology investors (undisclosed) 123

What Investors Say

Asheem Chandna, Partner at Greylock Partners: “The next generation of cybersecurity will be AI-native, agentic, and built on holistic data and context. Cylake is focused on a segment of the market where security must operate under full control to meet regulatory and operational reality.” 1

What Founders Say

Nir Zuk, Founder and CEO of Cylake: “Cybersecurity is constantly evolving, and sometimes new challenges demand completely new approaches. Cylake is for institutions where maintaining full control over data and operations is not optional.” 12

Sources

  1. GlobeNewswire (via Yahoo Finance), “Cylake Launches to Bring Complete, AI-Native, Data-Driven Cybersecurity to Customers that Require Total Data Sovereignty,” March 5, 2026. Accessed August 2026. https://finance.yahoo.com/news/cylake-launches-bring-complete-ai-140000198.html↩↩↩↩↩↩

  2. FinTech Global, “Cybersecurity firm Cylake secures $45m seed round,” March 6, 2026. Accessed August 2026. https://fintech.global/2026/03/06/cybersecurity-firm-cylake-secures-45m-seed-round/↩↩↩

  3. The SaaS News, “Cylake Raises $45 Million Seed Round,” March 2026. Accessed August 2026. https://www.thesaasnews.com/news/cylake-raises-45-million-seed-round↩