nebulocksec

Writing a detection rule takes minutes. Making it trustworthy can take hours. Our Lead Detection Engineer Jarrett Polcari on automating the manual toil of detection engineering, and where automation should and shouldn't step in: nebulock.io/blog/automatin…

AI has rewritten the attacker playbook. The gap between amateur hackers and nation-states is collapsing. The most dangerous attacks now look routine: stolen credentials, valid tokens, normal-looking sessions. That’s why we’re thrilled to announce FirstMark’s investment in @nebulocksec, led by @DavidWaltcher. We’re excited to partner with Founder @abcbyDamien and the entire Nebulock team as they build the foundational security analytics stack. Join the hunt 🎯

Damien Lewke (@abcbyDamien) is the epitome of founder market fit. Couldn’t be more excited to be working with him and the wildly talented team at @nebulocksec. AI has rewritten the attacker playbook. The gap between an amateur hacker and a nation-state has alarmingly compressed, and the most dangerous attacks now look completely routine: stolen credentials, valid tokens, and sessions that slip past every tool trained to known-bad signatures. Nebulock flips the model: Vespyr, its autonomous threat hunting agent, works continuously across identity, endpoint, and cloud telemetry to hunt for how adversaries actually behave, already running 300M+ investigations and surfacing 4,000+ high-confidence findings that existing tooling missed, often within hours, in environments running best of breed detection / prevention tooling. What's in front of this team is even bigger: they’re building the foundational security analytics stack, baselined on every identity, endpoint, and resource, with agents that get smarter as the collective intelligence grows. Join the hunt 🎯 @sullivan @rak_garg @dannguyenhuu

This is just the start. We've quadrupled the team since launch and we're hiring across engineering, product, and go-to-market. Come build hunt-first, always-on security with us: nebulock.io/careers

Two years ago we made a bet on how AI could help defenders. Here's what this looks like in production 9 months out of stealth: 300M+ agentic investigations. 4,000+ incidents prevented. CISOs from @Cribl_io, @HealthEdge, @BainCapital use us to start with hunts, not alerts. See it for yourself: nebulock.io/demo

We've raised $25M in Series A funding, led by @FirstMarkCap, with participation from @BainCapVC, @DecibelVC, @ZettaVentures, and Step Function. We’re building a hunt-first security analytics platform to help defenders tackle the hardest challenge: threats that don’t trip alerts 🔽