# Nebulock

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/nebulock

- Industry: IT Security/Cybersecurity
- Headquarters: Boston, US
- Website: www.nebulock.io
- Total disclosed funding: $31M
- Latest round: Series A (Jun 25, 2026)
- Investors on record: 7

## About

Founded in 2024, Nebulock, Inc. is a US-based company specializing in advanced cybersecurity solutions, primarily through an AI-driven threat hunting platform that automates real-time detection of complex security threats.Nebulock, Inc. is focused on enhancing cybersecurity through its innovative threat hunting platform. The company is headquartered in Boston, US. Founded by experienced professionals in the tech industry, Nebulock raised USD 2.5 mn in its latest funding round, aiming to strengthen its market position following two significant investment transactions.Nebulock's core product is an advanced threat hunting platform that enhances cybersecurity by automating the detection of complex threats in real time. The platform uses multi-threaded artificial intelligence to establish behavior baselines and identify deviations that may indicate security threats, such as insider anomalies and lateral movement. This addresses critical challenges, including alert fatigue and inefficient investigations, and is utilized by various industries, including technology, healthcare, and finance, primarily targeting enterprise clients in North America and Europe.Nebulock operates on a subscription-based model, offering tiered pricing plans for its threat hunting capabilities and support services. Clients enter into agreements for specified terms to access real-time monitoring and threat detection features, with customization options based on organizational needs. Revenue is generated through annual or multi-year contracts, fostering long-term relationships with clients seeking effective cybersecurity solutions. In June 2026, Nebulock, Inc. raised USD 25 million in series A funding led by FirstMark Capital, with participation from Bain Capital, Decibel, Step Function VC, and Zetta Venture Partners. The company will use the funding to enhance its security platform’s threat detection capabilities, expand behavioral analysis tools, and grow its engineering and commercial teams to support enterprise adoption.

## Funding rounds

- Series A, Jun 25, 2026, $25M — Bain Capital, FirstMark Capital, Zetta Venture Partners, Decibel, Step Function VC
- Seed, Jul 30, 2025, $6M — Bain Capital, In-Q-Tel, Zetta Venture Partners, Decibel, Aviso Ventures, Step Function VC

## Investors

- Bain Capital (https://capitalatlas.ai/funds/bain-capital) — Seed, Series A
- In-Q-Tel (https://capitalatlas.ai/funds/in-q-tel) — Seed
- Zetta Venture Partners (https://capitalatlas.ai/funds/zetta-venture-partners) — Seed, Series A
- Decibel (https://capitalatlas.ai/funds/decibel) — Seed, Series A
- Aviso Ventures (https://capitalatlas.ai/funds/aviso-ventures) — Seed
- Step Function VC (https://capitalatlas.ai/funds/step-function-vc) — Seed, Series A
- FirstMark Capital (https://capitalatlas.ai/funds/firstmark-capital) — Series A