Cylake

Cylake, founded in 2025 by Nir Zuk, Wilson Xu, and Ehud (Udi) Shamir, is a cybersecurity startup targeting organizations with stringent data sovereignty and regulatory requirements.

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Provides AI-driven cybersecurity solutions that operate entirely on-premises or in private clouds, ensuring full data sovereignty for customers.

Cylake, founded in 2025 by Nir Zuk, Wilson Xu, and Ehud (Udi) Shamir, is a cybersecurity startup targeting organizations with stringent data sovereignty and regulatory requirements. The company is developing an AI-native, data-driven cybersecurity platform designed to operate entirely on-premises or within private cloud environments, ensuring customers retain full control over their data. Cylake’s platform aims to provide comprehensive protection against AI-led cyberattacks without relying on public cloud infrastructure, addressing a critical gap for highly regulated industries.

Backed by Greylock Partners with $45 million in funding, Cylake is led by a seasoned team of security veterans, including Zuk, who previously built Palo Alto Networks into a $125 billion cybersecurity giant. The platform is currently in development, with general availability planned for early 2027. Cylake’s mission is to bring cybersecurity back home for organizations that require sovereign, transparent protection, offering a single data store for optimal security and governance. The company’s focus on on-premises solutions positions it uniquely in a market increasingly dominated by cloud-dependent offerings.

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Who buys this

  • Government agencies
  • Defense contractors
  • Highly regulated industries
  • Financial institutions
  • Healthcare organizations

Strengths and what to watch

Strengths

  • Led by experienced cybersecurity veterans, including Nir Zuk, founder of Palo Alto Networks
  • Focuses on a niche market with stringent data sovereignty requirements
  • Backed by $45 million in funding from Greylock Partners

Watch for

  • Platform still in development, with general availability not expected until 2027
  • Limited public information on early customer adoption
  • Potential challenges in scaling on-premises solutions

Recent moves

Key Information

Founded
2025

Frequently Asked Questions

What is Cylake?

Cylake is a cybersecurity startup founded in 2025, offering AI-driven solutions that operate entirely on-premises or in private clouds. It focuses on ensuring full data sovereignty for organizations with stringent regulatory requirements, providing protection against AI-led cyberattacks without relying on public cloud infrastructure.

How does Cylake ensure data sovereignty?

Cylake ensures data sovereignty by operating its AI-native cybersecurity platform entirely on-premises or within private cloud environments. This approach allows customers to retain full control over their data, addressing the needs of highly regulated industries that require transparent and sovereign protection.

What industries does Cylake target?

Cylake targets industries with stringent data sovereignty and regulatory requirements, including government agencies, defense contractors, financial institutions, and healthcare organizations. These sectors benefit from Cylake’s on-premises cybersecurity solutions, ensuring compliance and control over sensitive data.

Who founded Cylake?

Cylake was founded in 2025 by Nir Zuk, Wilson Xu, and Ehud (Udi) Shamir. Nir Zuk, known for building Palo Alto Networks, leads a seasoned team of cybersecurity veterans, bringing extensive experience to Cylake’s mission of providing sovereign, AI-driven cybersecurity solutions.

What is Cylake’s AI-native cybersecurity platform?

Cylake’s AI-native cybersecurity platform is designed to operate entirely on-premises or within private clouds, offering comprehensive protection against AI-led cyberattacks. The platform focuses on data sovereignty, ensuring customers retain full control over their data without relying on public cloud infrastructure.

When will Cylake’s platform be available?

Cylake’s AI-native cybersecurity platform is currently in development, with general availability planned for early 2027. The company aims to provide a single data store for optimal security and governance, targeting organizations that require sovereign, transparent protection.

Sources

  1. cylake.com — Founding team and mission statement
  2. cylake.com — Product focus and market positioning
  3. cylake.com — Company privacy practices
  4. www.darkreading.com — Funding details and market focus