How much funding has Unit 221B raised?

Unit 221B has raised $5M in total. Its most recent round was a Seed in September 2025.

How many people work at Unit 221B?

About 21, up 11% over the last 30 days.

Who are Unit 221B's competitors?

Dropzone AI, Red Piranha, and Binary Defense are among the closest in Security Operations. The full competitive set, with overlap scoring, is in the platform.

Unit 221B

Security OperationsNew York, United Statesfounded 2003private

Unit 221B is a cybersecurity company specializing in Security Operations, founded in 2003 and headquartered in New York, United States. It has raised $5M in total funding, employs about 21 people, and is privately held.

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updated Aug 22, 2026

The record

What Unit 221B did, dated.

Jul 2026Exec changeUnit 221B Accelerates Product Strategy with Appointment of Cybersecurity Veteran Ben April as Chief Technology Officer
Sep 2025Funding roundUnit 221B raises $5M seed round to expand threat intelligence platform

selected events only — the full dated record (4 events since Sep 2025) lives in the platform

Momentum

57 out of 100.

Momentum blends hiring, funding, traffic and sentiment into one score, recomputed daily. The score is free; the pillars behind it unlock in the platform.

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Products

What Unit 221B sells.

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Security Operations

FAQ

Common questions about Unit 221B.

How much funding has Unit 221B raised?: Unit 221B has raised $5M in total. Its most recent round was a Seed in September 2025.
How many people work at Unit 221B?: About 21, up 11% over the last 30 days.
Who are Unit 221B's competitors?: Dropzone AI, Red Piranha, and Binary Defense are among the closest in Security Operations. The full competitive set, with overlap scoring, is in the platform.