Nebulock
United States, Boston, MA
About Nebulock
Nebulock is a Boston-based, AI-native contextual security platform for proactive, agentic threat hunting. It correlates telemetry across endpoint, identity, cloud, network and SaaS to surface subtle malicious behaviors that legacy alert-driven tools miss, using a behavioral context graph and autonomous hunting agents such as Vespyr. Founded by former security and product leaders from CrowdStrike, Palo Alto Networks and Arctic Wolf and led by CEO Damien Lewke, it has run more than 300 million agentic investigations and counts Fortune 500 firms in financial services and healthcare among its customers.
Latest Funding
Series AAnnounced 2026-06-25
Buying Signals
Where the capital is going, and whether it's already started moving.
Spend Intent
3 signals · where the capital is going
Scale engineering teams to meet growing enterprise demand.
businesswire.com
+2 more capital deployment signals · confidence ratings · source articles
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Investors
Zetta Venture Partners
Lead investor · Series A
Tech Stack
HTTP/3
Cloudflare
HSTS
Contacts
Sarah M.
Head of Sales
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Key Highlights
AI Insights$25M Series A led by FirstMark, with existing investors Bain Capital Ventures, Decibel, Zetta Venture Partners and Step Function — less than a year after emerging from stealth.
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Where this round will be spent.
Hiring Signals
Which departments are growing.
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Who actually decides.
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