How much did Nebulock raise in its Seed?

Nebulock raised $8.5M in a Seed announced on 29 July 2025.

Who invested in Nebulock's Seed?

The round was led by Bain Capital Ventures, Decibel, In-Q-Tel, Zetta Venture Partners, Step Function, Aviso Ventures.

What does Nebulock do?

Nebulock is a cybersecurity company specializing in Security Operations, founded in 2023 and headquartered in Boston, United States.

Funding record · 2025 / 07

Nebulock raises $8.5M Seed for security operations

Announced 29 July 2025 · Recorded 8 September 2026 · Last verified 8 September 2026

Nebulock, a security operations company based in Boston, United States, raised $8.5M in a Seed announced on 29 July 2025, led by Bain Capital Ventures, Decibel and In-Q-Tel with 3 others. Its disclosed equity funding is now $33.5M across 2 rounds.

Amount: $8.5M
Round: Seed
Announced: 29 July 2025
Lead investors: Bain Capital Ventures, Decibel, In-Q-Tel, Zetta Venture Partners, Step Function, Aviso Ventures
Sources on record: 1axios.com

From the source

Nebulock Raises $8.5M Seed Round Led by Bain Capital Ventures

AI-powered threat-hunting startup Nebulock emerged from stealth with $8.5 million in seed funding. The round was led by Bain Capital Ventures with participation from In-Q-Tel, Decibel Partners, Zetta Venture Partners, Step Function, and Aviso Ventures. The company offers an autonomous threat-hunting platform that uses agentic AI to detect and respond to advanced threats across endpoint, identity, and application telemetry.

axios.com · 29 July 2025 ↗

The Mandos read

What the record says about Nebulock

Momentum 69 / 100 · Steadylocked →
pillars in the platform
33 employees · up 25% last month · 8 open roleslocked →
history and breakdowns in the platform
Exit Readiness: Lowlocked →
Tested against 751 past exits in the Mandos record: 43% sat in Watch or Elevated 2 years before. Companies in Elevated exited at 3.1× the record's rate.
Buyers most often compare Nebulock with Akamailocked →
the full set in the platform

Funding history

Nebulock funding on record

Nebulock has raised $33.5M in priced equity. Its most recent round was a Series A in June 2026.

Latest round on record: Series A, Jun 2026.

Nebulock funding on the profile →

In the platform

The round is the fact. The read is the product.

Every round, investor and correction for Nebulock, the competitors buyers weigh it against, hiring by department, and an alert when the next thing happens.

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FAQ

Questions people ask

How much did Nebulock raise in its Seed?: Nebulock raised $8.5M in a Seed announced on 29 July 2025.
Who invested in Nebulock's Seed?: The round was led by Bain Capital Ventures, Decibel, In-Q-Tel, Zetta Venture Partners, Step Function, Aviso Ventures.
What does Nebulock do?: Nebulock is a cybersecurity company specializing in Security Operations, founded in 2023 and headquartered in Boston, United States.