Rebuilding cybersecurity from the metal up.

Sunnyvale, CA
Joined February 2026
Some engineers think outside the box. Ours sign the inside. We're building cybersecurity from the metal up, and we're looking for people who want their fingerprints on something entirely new. From applied AI and software infrastructure to endpoint engineering and product design, there's plenty of room to make your mark. Think you're up for it? We're hiring. Explore our open roles: cylake.com/company/careers/
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AI has changed the economics of cyberattacks. Attacks are cheaper to launch and faster to scale, and human intervention alone can’t keep up. @MarkatPANW and @renebonvanie discuss why we need algorithms fighting algorithms. Hear more: substack.com/@cylake/note/p-…
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To reliably protect an organization, every cybersecurity function needs visibility into the complete picture. That means access to data across endpoint, browser, cloud, SaaS, network, identity, and everything else security teams are responsible for protecting. That requirement changes where the cybersecurity architecture needs to live: close to the data, on infrastructure the organization controls. @nirzuk breaks down the thinking with @JoelFishbeinJr in Inside Cybersecurity. Watch the full conversation: cylake.substack.com/p/who-re…
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Cybersecurity has always been asymmetric: attackers only need to find one opening, while defenders have to protect everything that matters. Now, AI is changing the scale and speed of that equation. @chandna, Partner at @GreylockVC and Cylake board member, believes we're entering an era of machines fighting machines, where increasingly sophisticated attacks powered by “bad AI” will require equally capable “good AI” on defense. In Episode 6 of Inside Cybersecurity, Asheem joins @renebonvanie to discuss what AI means for the cybersecurity stack, why truly AI-native architectures need to be built differently, and what three decades in cybersecurity have taught him about the people and companies that successfully navigate major technology shifts. 🎧 Watch Episode 6 of Inside Cybersecurity: cylake.substack.com/p/good-a…
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“Do not be afraid to contribute your ideas.” — Alex Fisher, Software Engineer at Cylake Bring what you’ve learned. Bring the ideas you haven’t had room to build yet. At Cylake, we work in person, bringing different experiences and perspectives into the same room. We think through hard problems together, speak openly, and take pride in what we build. We’re rebuilding cybersecurity from the metal up. Hardware, software, data, and applied AI, built as one system. It’s ambitious work, with an experienced team focused on architecture and impact that lasts. We’re growing. Find your role and help us build: cylake.com/company/careers/?…
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The hardest environments should help shape the security built for them. That’s the idea behind Cylake’s Design Partner Program. Security and technology leaders bring us their constraints, work directly with our team, and help shape the platform before commercial launch. In Episode 5 of Inside Cybersecurity, Head of Product Management Nick Campagna explains how the program works and why we’re building with these partners from the start. Listen here: cylake.substack.com/p/inside…
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A 99% attack detection rate used to be good enough. Not because the remaining 1% didn’t matter. Developing enough different attacks to consistently find a way through was expensive, largely limiting that capability to nation states and sophisticated criminal organizations. GenAI changes that equation. When developing and iterating on new attacks becomes dramatically cheaper, attackers can keep looking for the gap until they find it. @nirzuk and @renebonvanie explain why that changes a longstanding assumption in cybersecurity: that keeping adversaries out is enough. Watch the full episode: cylake.substack.com/p/ai-isn…
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The networks we depend on most are being asked to choose between keeping their data and boundaries intact or sending more data elsewhere to get modern security. That is the wrong choice for critical infrastructure. Power and water providers are among the organizations working with us through Cylake’s Design Partner Program. They’re showing us what security has to look like when systems cannot simply connect outward and sensitive data cannot simply leave. Their requirements are shaping what we build. The intelligence comes to the data, on infrastructure they control. We wrote about what we’re learning and why the architecture has to start with their constraints: cylake.substack.com/p/stop-a…
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We’re continuing to share perspectives from Cylake’s Board of Directors. We asked @ravi_lsvp what he sees changing in cybersecurity today. "Twenty years ago, security had become a collection of single-purpose appliances. Nir saw that complexity and helped consolidate an entire layer of the industry around a common platform. What's interesting is that, over time, the industry fragmented again. Large organizations can now have dozens of security vendors, each solving a different problem, collecting different data, and giving the security team another system to manage. I've spent my career watching these cycles play out in enterprise technology. Eventually there comes a point where adding one more product isn't really the answer. You have to look underneath all of it and ask whether the architecture still makes sense. I believe that question matters more now than ever, because we're moving into an increasingly AI-native world where the nature, timing and scale of cyber threats are changing radically. An architecture designed for the last era won't likely hold up in this one. That's what I find compelling about Cylake. Nir and the team aren't trying to build the thirty-first security product. They're going back to the underlying architecture, bringing the data and functions back together, and building it to be forward-looking for what's coming."
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AI has made targeted attacks cheaper to build and easier to scale. Defenders need to move faster, and they need the complete picture to do it. Today, that picture is scattered across security products that were never built to work together. Our investors are backing Cylake’s answer: rebuild the architecture from the metal up. @nirzuk founded Palo Alto Networks. Wilson Xu helped build it and led its engineering team. Udi Shamir co-founded SentinelOne. Now they’re building one platform with one data lake, where security and AI run on infrastructure you control. @angusloten covers the surge in early-stage cyber funding, including Cylake’s recent raise, in @WSJ. Read the story: wsj.com/pro/cybersecurity/fl…
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Data sovereignty comes down to one thing: control. Where is your data? Who has access to it? And how much control do you have over what happens to it? Cylake’s @MarkatPANW and @renebonvanie break down why these questions matter now more than ever. Dig into the new meaning of data sovereignty: substack.com/@cylake/note/p-…
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AI-era cybersecurity needs complete data. Identity, network, cloud, SaaS, endpoint, and everything else generate signals about what’s happening across an environment. But when that data is sampled, separated, or spread across different systems, understanding the full story gets harder. For Katie Helman, that’s what makes cybersecurity such an interesting problem: how do you take an enormous amount of data, make sense of it, and turn it into a picture of the threat landscape people can actually understand? At Cylake, we’re building around complete data: a genuine data lake that ingests security data completely, with detection and workflows running across the complete dataset. Complete data. Complete control. Learn more: Cylake.com
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We’re building Cylake with the people who will use it. In Episode 5 of Inside Cybersecurity, Nick Campagna and @renebonvanie go inside Cylake’s Design Partner program and what we’re learning about AI, legacy security stacks, sovereignty, hardware, and more. 🎧 Watch: cylake.substack.com/p/inside…
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You cannot build complete visibility from 30 tools. What you get instead is 30 puddles of data and 30 bills. We are building Cylake around a different premise: one system, one ingestion pipeline, working across complete data on infrastructure the customer controls. @renebonvanie spoke with @ISMG_News about why that architecture led us all the way down to the hardware, and why it matters for organizations that cannot send their most sensitive security data somewhere else. Read the full story: inforisktoday.com/cylake-get…
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“It should be your data. In the cloud, it’s not.” - @NirZuk, Cylake Founder & CEO Data ownership is one of a company’s most valuable assets. If working with your own data requires permission and a massive bill, how much of it do you really own? Listen to the full conversation on our latest episode of Inside Cybersecurity: cylake.substack.com/p/who-re…
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Cybersecurity is now a board-level concern. As AI changes the speed and scale of cyber risk, the questions leaders need to ask are changing too. Cylake Board Member @MarkatPANW shares what boards should be asking now. Hear the full conversation: substack.com/@cylake/note/p-…
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Modern cybersecurity has an architectural problem. The organizations with the most to protect get the least protection. Their data cannot leave their control, and the industry’s best tools live in a cloud they cannot use. So they make do with less. Less data, less AI, less defense. We are rebuilding the entire cybersecurity stack to end that dilemma, starting the other way: your requirements, your premises, your data going nowhere. A complete cybersecurity platform that runs all cybersecurity functions, hardware included. Today, we raised another $245 million to keep building, with participation from @lightspeedvp, Picture Capital, and @Redpoint. Read the announcement: cylake.com/resources/cylake-…
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Sophisticated cyberattacks are becoming cheaper to launch and easier to scale. Organizations need security operations that can respond at machine speed. Hear Cylake CMO @renebonvanie and Cylake Board Member @MarkatPANW discuss this shift in the latest episode of Inside Cybersecurity: substack.com/@cylake/note/p-…
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Every AI system inherits the environment it's deployed into. The quality of its decisions depends on the quality of the data and architecture supporting it. AI builds on the foundation you give it. Make sure you give it the complete context it needs.
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See what’s taking shape at Cylake. We’ve redesigned our website with more on our architecture, who we’re building for, and our approach to complete security, data, sovereignty, and control. Explore the new cylake.com
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