Cylake Raises $245M in Funding

Cylake, based in Sunnyvale, California, is a cybersecurity company developing a complete, AI-native, data-driven security platform for highly regulated institutions. The company announced it has raised $245 million in a debt financing round via a convertible note, bringing its total funding to $290 million.

Investors

Investors participating in this round include Lightspeed Venture Partners, Picture Capital, and Redpoint Ventures.

Cylake Use of Funds

Cylake plans to use the new capital to support continued product development of its cybersecurity platform and to accelerate team growth across engineering and product functions as it prepares for a beta release by the end of 2026.

About Cylake

Founded in 2026, Cylake was co-founded by Nir Zuk, Wilson Xu, and Ehud (Udi) Shamir. The company is building an AI-native cybersecurity platform designed for on-premises and private cloud environments, focusing on providing organizations with operational sovereignty, data control, and a unified data foundation for security.

Funding Details

Company Website: https://cylake.com

Company: Cylake
Raised: $245M
Round: Other
Funding Date: September 8, 2026
Additional Investors: Lightspeed Venture Partners, Picture Capital, Redpoint Ventures
Company Website: https://cylake.com
Software Category: Cybersecurity
Source: https://www.globenewswire.com/news-release/2026/09/08/3357819/0/en/cylake-closes-245-million-funding-round-ahead-of-beta-release-for-next-generation-cybersecurity-product.html