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Cylake Closes $245M Funding Round Ahead of Beta for Cybersecurity Product


 Cylake Closes $245M Funding Round Ahead of Beta for Cybersecurity Product
  • by: GlobeNewswire
  • |
  • September 9, 2026

Cylake, the complete cybersecurity platform for operational sovereignty, announced today it has raised $245 million through a convertible note, with participation from Lightspeed Venture Partners, Picture Capital, and Redpoint Ventures. Funding will support continued team growth and accelerate development of Cylake's complete, AI-native, data-driven cybersecurity platform for world's largest and most regulated institutions.

Quick Intel

  • Cylake closes $245 million funding round ahead of beta release for next-generation cybersecurity product.
  • Funding through convertible note with Lightspeed Venture Partners, Picture Capital, Redpoint Ventures bringing total raised to $290 million.
  • Follows $45 million seed round in March 2026 led by Greylock Partners; new capital supports product development and team growth.
  • Working with cohort of industry-leading design partners with beta product expected end of 2026 and full GA in 2027.
  • Platform operates entirely on-premises or private cloud enabling full control over data, infrastructure, operations for regulated orgs.
  • Company grown to more than 40 employees since emerging from stealth in March plans continued hiring across engineering, product.

End-to-End Protection Without Sacrificing Control

Cylake is developing its platform for organizations that require complete cybersecurity capabilities with full data sovereignty. The product will operate entirely on premises or in private cloud environments, enabling organizations to maintain full control over their data, infrastructure, and operations. This holistic approach also enables Cylake to operate on a single, complete data foundation, avoiding coverage gaps that create vulnerabilities while empowering AI workflows with an end-to-end view.

"Most of market has been slow to realize how AI and SaaS shifted goalposts for enterprise cybersecurity. Cylake identified that gap early and is building answer," said Ravi Mhatre, Partner and Co-founder at Lightspeed Venture Partners, who joins Cylake's Board of Directors. "Highly regulated organizations have requirements around data sovereignty and control that existing approaches were not designed to address."

"Having worked with Nir for more than 30 years, I've seen firsthand his ability to anticipate where market is going and build anchor products that will define next generation of cybersecurity," said Rakesh Loonkar, Partner at Picture Capital, who joins as Board Observer.

Strong Momentum and AI-Native Platform Vision

Since emerging from stealth in March, Cylake has expanded its engineering and product teams and deepened its work with design partners ahead of beta. The company has grown to more than 40 employees and plans to continue hiring across engineering, product, and other key functions.

"We are building Cylake for organizations that cannot compromise between adopting advanced cybersecurity technology and maintaining control of their data and infrastructure," said Nir Zuk, CEO and Founder of Cylake. "In those cases, public cloud is not right operating model. Architecture needs to be rebuilt around complete data, sovereignty, and control for an AI-native world."

Cylake's cybersecurity platform is centered on unified data foundation for highly regulated organizations that require greater sovereignty, control, and visibility. Rather than relying on fragmented security tools that operate on partial information, platform gives organizations holistic view of data and context across infrastructure while maintaining full operational control.

 

About Cylake

Cylake is a cybersecurity company built for world's largest and most regulated institutions. Co-founded by Nir Zuk, Wilson Xu, and Ehud (Udi) Shamir, Cylake is led by team of experienced security engineers and operators. Company is developing complete cybersecurity platform designed for full data sovereignty and intended for on-premises and private environments that require operational control and accountability.

  • FundingCybersecurityOperational Sovereignty
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