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Nebulock raised $8.5M in a funding round led by Bain Capital Ventures to enhance its AI-driven threat hunting platform.

PRIVATEAug 01, 2025

Amount Raised

$8.5 Million

Round Type

Funding Round

BostonSoftwareArtificial IntelligenceSecurityMachine Learning

Investors

DecibelIn Q TelZetta Venture PartnersStep FunctionAviso VenturesBain Capital Ventures

Description

Nebulock, a Boston-based provider of an AI-driven threat hunting platform, raised $8.5M in funding. The round was led by Bain Capital Ventures, with participation from Decibel, In-Q-Tel, Zetta Venture Partners, Step Function, and Aviso Ventures. The company plans to use the funds to expand its threat hunting capabilities and scale its teams. CEO Damien Lewke leads Nebulock in its mission to automate threat detection.

Quick answer

Nebulock raised $8.5 Million in a Funding Round round, dated August 1, 2025. Investors: Decibel, In Q Tel, Zetta Venture Partners, Step Function, Aviso Ventures and Bain Capital Ventures. Nebulock is based in Boston, Massachusetts, United States.

How much did Nebulock raise?
Nebulock raised $8.5 Million in a Funding Round round on August 1, 2025.
Who invested in Nebulock?
Decibel, In Q Tel, Zetta Venture Partners, Step Function, Aviso Ventures and Bain Capital Ventures are named as investors in this round.
What does Nebulock do?
Nebulock is the first agentic threat hunting platform; autonomously surfacing behaviors, not just IOCs, from your existing data.
Where is Nebulock based and how big is it?
Nebulock is based in Boston, Massachusetts, United States.
Who are the decision-makers at Nebulock?
Fundz holds 3 contacts at Nebulock, including the Head of Talent. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Security and Software around the same time

Companies in the same sectors as Nebulock that raised within 45 days of this round, from Fundz verified event records.

  • Starseer raised $2M (Seed) on July 23, 2025.
  • Starseer raised $1M (Seed) on July 1, 2025.
  • Dyna Robotics raised $120M (Series A) on September 15, 2025.
  • Eloquent AI raised $7.4M (Seed) on September 11, 2025.
  • Podonos raised an undisclosed amount (Pre-Seed) on September 10, 2025.
  • Vasco raised $1.6M (Seed) on September 9, 2025.

Who to call at Nebulock, and when

A new round usually means Nebulock is about to hire and buy. The teams that reach out first get the meeting.

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Company Information

Company

Nebulock

Location

Boston, Massachusetts, United States

About

Nebulock is the first agentic threat hunting platform; autonomously surfacing behaviors, not just IOCs, from your existing data. Nebulock acts like a new teammate: a 24/7 AI threat hunter that investigates hypotheses, reasons through your telemetry, and learns from your environment. Whether you’re a two-person SOC or a global enterprise, we scale your threat hunting—and give your team superpowers.

AI made execution free. Knowing first is the whole game now.

Fundz sees it the moment Nebulock raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

Related People

3 contacts
Verified contactsNeil, Head of Talent hidden hiddenSee plans and pricing
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Nebulock raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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