GreyNoise, Inc.
GreyNoise, Inc. is a cybersecurity company specializing in Threat Intelligence, founded in 2017 and headquartered in Washington, United States. It has raised $20.4M in equity across 5 priced rounds, employs about 66 people, and is privately held.
updated Oct 11, 2026
Latest GreyNoise, Inc. news and company activity
What GreyNoise, Inc. did, dated — selected moves from the record, one per kind, newest first.
- 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
- Jun 2022Funding roundGreyNoise raises $15 million Series A led by Radian Capital
GreyNoise, Inc. Momentum score
44/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
GreyNoise, Inc. funding
GreyNoise, Inc. has raised $20.4M in priced equity. Its most recent round was a Series A in June 2022. It has 5 funding rounds on record: Pre-Seed, Pre-Seed, Seed, Seed, and Series A. 11 investors are on record, including Radian Capital and CRV.
- Equity raised
- $20.4M5 priced rounds
- Last round
- Series AJun 2022
GreyNoise, Inc. employees and hiring
As of September 2026, GreyNoise, Inc. has about 66 employees, up 2% over the last 30 days, with 1 open roles.
- Employees
- 66
- 30-day change
- +2%
- Open roles
- 1
GreyNoise, Inc. competitors
Competitors of GreyNoise, Inc. include 云科安信 (Antiratech), Cyble, and Ravenloop. 125 more are in the platform, with overlap scoring.
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs1 live postings, role mix
- Tech stackframeworks, clouds, security
