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Cylake, a cybersecurity startup founded by Nir Zuk, raises $245 million through a convertible note to enhance its AI-native cybersecurity platform.

PRIVATESep 08, 2026

Amount Raised

$245 Million

Round Type

Convertible Note

Information TechnologySecurityCyber SecurityNetwork Security

Investors

Redpoint VenturesPicture CapitalLightspeed Venture Partners

Description

Cylake has raised $245 million through a convertible note, adding to its total funding of $290 million. Founded by Nir Zuk, the company aims to develop a comprehensive AI-native cybersecurity platform for organizations. The funding includes participation from Lightspeed Venture Partners, Picture Capital, and Redpoint Ventures. New board members will help guide the company's growth following its emergence from stealth mode.

Quick answer

Cylake raised $245 Million in a Convertible Note round, dated September 8, 2026. Investors: Redpoint Ventures, Picture Capital and Lightspeed Venture Partners.

How much did Cylake raise?
Cylake raised $245 Million in a Convertible Note round on September 8, 2026.
Who invested in Cylake?
Redpoint Ventures, Picture Capital and Lightspeed Venture Partners are named as investors in this round.
What does Cylake do?
Cylake is a cybersecurity company focused on AI-native and data-driven protection for highly regulated organisations.
Where is Cylake based and how big is it?
Fundz records about 17 employees.
Who are the decision-makers at Cylake?
Fundz holds 2 contacts at Cylake, including the CMO. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Security and Cyber Security around the same time

Companies in the same sectors as Cylake that raised within 45 days of this round, from Fundz verified event records.

  • Cygrid raised $3M (Pre-Seed) on October 23, 2026.
  • Indurex raised $7.9M (Seed) on October 22, 2026.
  • Mave raised $34M on October 22, 2026.
  • Ambient raised an undisclosed amount (Series C) on October 20, 2026.
  • Sunny's raised $319K (Seed) on October 20, 2026.
  • Modelyo raised $17M on October 17, 2026.

Who to call at Cylake, and when

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Company Information

Company

Cylake

About

Cylake is a cybersecurity company focused on AI-native and data-driven protection for highly regulated organisations. It has emerged from stealth with a mission to address the needs of large enterprises in sectors where public cloud security tools are not feasible. The platform aims to provide complete visibility across infrastructures while maintaining control over systems and information. Cylake is co-founded by experienced leaders in the cybersecurity sector, leveraging deep industry knowledge to shape its innovative security solutions.

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Related People

2 contacts
Verified contactsRene, CMO hidden hiddenSee plans and pricing
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Cylake raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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