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DefDex
Nebulock logo

Startup · United States

Nebulock

HQ Boston, Massachusetts11-50 employeesUpdated

Proactively find hidden threats with AI-powered autonomous hunting.

Website

Funding2 rounds · $31.0M

Equity raised
$31.0M
Latest
$25.0MSeries A · Jun 25, 2026
Cumulative raised$31.0M
Jul 29, 2025Jun 25, 2026

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems1

  • NebulockSecurity-operations software for threat hunting, detection rules and investigations.

Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.

Capabilities1

  • Developer
    classify_sectors run 37, haiku, taxonomy 2026-10-18b: AI threat hunting and incident response for insider threats, a cybersecurity technology aimed at enterprises with no government or defense use stated.
    —Reported

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

People
PersonRole
Damien LewkeFounder and CEO

Sources4

Profile1

  1. 1

    Sixth-Domain · Supports Organization · country, Organization · kind

    “{"country": "USA", "hq_iso2": "US", "id": "a3565872-0112-4fd3-a0c7-1176319f27ba"}”

Systems1

  1. 2

    Nebulock · Supports Organization · description, Organization · name, Organization · website, System

    “Proactively find hidden threats with AI-powered autonomous hunting. Detect insider threats, prevent detection drift, and accelerate incident response.”

Funding1

  1. 3

    LinkedIn · Supports Funding round, Organization · employee range, Organization · hq city, Organization · hq region, Organization · ownership

    “funding round: Seed Round, 2025-07-29, USD 6,000,000, lead: Bain Capital Ventures”

People1

  1. 4

    raising.fi · Supports Role

    “Damien Lewke, Founder and CEO of Nebulock, emphasized the importance of their platform in the current landscape of enterprise AI adoption, stating that the investment will help them "push the boundaries of what's possible in proactive threat detection."”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.