# Cylake

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/cylake

- Industry: Software
- Headquarters: Sunnyvale, US
- Website: www.cylake.com
- Total disclosed funding: $45M
- Latest round: Seed (Mar 5, 2026)
- Investors on record: 1

## About

Cylake, based in the US, delivers an AI-native data-driven cybersecurity platform tailored for large and highly regulated organizations, ensuring robust data protection and operational control.Cylake is focused on developing advanced cybersecurity solutions. Founded in 2026 and headquartered in Sunnyvale, US, the company completed its first deal on March 5, 2026. Led by Greylock Partners, Cylake raised USD 45 mn in SEED funding, which represents the total amount raised to date. The founder's history is not available, and no subsidiary or parent company information is mentioned.Cylake is developing a comprehensive, AI-native, data-driven cybersecurity platform tailored for large and highly regulated organizations. This platform is designed to function on-premises or within private cloud environments, enabling clients to maintain full control over their data and operations. The core product offering focuses on providing an integrated cybersecurity solution that combines both hardware and software components, delivering deep analysis and extensive protection against cyber threats. Targeted use cases include organizations facing stringent regulatory requirements, where maintaining data sovereignty and operational visibility is critical. Cylake’s client base primarily consists of large enterprises across various sectors, including finance, healthcare, and government institutions, with an emphasis on markets in North America and Europe.Cylake's revenue model centers around subscription-based services, allowing businesses to engage with their cybersecurity platform through annual or multi-year contracts. These transactions typically involve direct partnerships with clients, ensuring tailored implementation and support. The firm anticipates generating revenue through its flagship AI-native cybersecurity platform, which provides extensive protection and governance for its users. Specific pricing structures for the services have not been disclosed, but they are expected to vary based on the scale of implementation and the unique needs of each client. This revenue structure is designed to support long-term relationships with enterprises requiring robust cybersecurity solutions.In March 2026, Cylake raised USD 45 mn in SEED funding led by Greylock Partners to build and test its AI-based cybersecurity platform, which is designed to run on-premises or in private clouds. The company aims to work with design partners to refine the product, with plans for an early 2027 launch. Cylake is targeting expansion into new geographic markets, particularly within North America and Europe, to reach additional large enterprises by the end of 2027.

## Funding rounds

- Seed, Mar 5, 2026, $45M — Greylock Partners

## Investors

- Greylock Partners (https://capitalatlas.ai/funds/greylock-partners) — Seed