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Cylake
Sunnyvale, US · 5 known investors
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Cylake builds an AI-native cybersecurity platform delivered as on-premises rack appliances that provide visibility, policy enforcement, and attack detection for fully air-gapped, sovereign network environments. It targets critical networks and enterprises that cannot rely on cloud-first security models, keeping all data on-site.
Founders & leadership
Investors · 5
How we know: a partner's Signal profile · cylake.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: In-Q-Tel's portfolio page · Not right? Tell us
How we know: Lightspeed Venture Partners's portfolio page · funding news · cylake.com · Not right? Tell us
How we know: funding news · cylake.com · redpoint.com · Not right? Tell us
How we know: funding news · cylake.com · Not right? Tell us
Funding
SEC filings, press & company announcements$245M disclosed across 1 round · 2026
- $245MConvertible noteSep 2026 · 7 sources
Greylock Partners (lead), Lightspeed Venture Partners (lead), Picture Capital, Redpoint Ventures
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Cylake do?
- Cylake builds an AI-native cybersecurity platform delivered as on-premises rack appliances that provide visibility, policy enforcement, and attack detection for fully air-gapped, sovereign network environments. It targets critical networks and enterprises that cannot rely on cloud-first security models, keeping all data on-site.
- Who founded Cylake?
- Cylake was founded by Ehud S, Nir Zuk, Wilson Xu.
- Who are Cylake's investors?
- Cylake's investors include Greylock Partners, In-Q-Tel, Lightspeed Venture Partners, Redpoint Ventures, Picture Capital.
- How much funding has Cylake raised?
- Cylake has disclosed $245M raised across 1 round.
- Where is Cylake headquartered?
- Cylake is headquartered in Sunnyvale, US.