How much funding has GreyNoise, Inc. raised?

GreyNoise, Inc. has raised $20.4M in total. Its most recent round was a Series A in June 2022.

How many people work at GreyNoise, Inc.?

About 60, down 2% over the last 30 days, with 1 open roles.

Who are GreyNoise, Inc.'s competitors?

Cyware, Tenable, and Rapid7 are among the closest in Threat & Vulnerability Management. The full competitive set, with overlap scoring, is in the platform.

GreyNoise, Inc.

Threat & Vulnerability ManagementWashington, United Statesfounded 2017private

GreyNoise, Inc. is a cybersecurity company specializing in Threat & Vulnerability Management, founded in 2017 and headquartered in Washington, United States. It has raised $20.4M in total funding, employs about 60 people, and is privately held.

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updated Aug 22, 2026

The record

What GreyNoise, Inc. did, dated.

Aug 2026Exec changeGreyNoise Names Andrew Thompson Senior Vice President of Adversary Operations
Apr 2026Product launchGreyNoise Intelligence Introduces C2 Detection to Close the Visibility Gap at the Edge of the Network
Oct 2025Product launchIntroducing GreyNoise Block: Fully configurable, real-time blocklists

selected events only — the full dated record (15 events since Aug 2025) lives in the platform

Momentum

28 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.

Growthlocked

Marketlocked

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Products

What GreyNoise, Inc. sells.

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobs1 live postings, role mix
Tech stackframeworks, clouds, security

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FAQ

Common questions about GreyNoise, Inc..

How much funding has GreyNoise, Inc. raised?: GreyNoise, Inc. has raised $20.4M in total. Its most recent round was a Series A in June 2022.
How many people work at GreyNoise, Inc.?: About 60, down 2% over the last 30 days, with 1 open roles.
Who are GreyNoise, Inc.'s competitors?: Cyware, Tenable, and Rapid7 are among the closest in Threat & Vulnerability Management. The full competitive set, with overlap scoring, is in the platform.