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GreyNoise Intelligence

GreyNoise Intelligence

Private
Washington D.C.Cybersecurityhttps://www.greynoise.io/

Last Round

Series A

Jun 15, 2022

Total Funding Raised

$20.4M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

GreyNoise Intelligence is a cybersecurity company that provides threat intelligence by analyzing internet-wide scan and attack traffic to help security teams distinguish between benign internet noise and targeted malicious threats.

Sector

Cybersecurity

Verticals

Threat Intelligence, Cloud Security, Incident Response, Network Security, Vulnerability Management

Business Model

B2B

Customer Profile

Subscription SaaS, Freemium, Data as a Service

AI Layer

Infrastructure

Keywords

threat intelligenceIP reputationsecurity operationsSOCinternet background noisealert fatigueincident responsethreat huntingcybersecurity telemetrythreat intel feedsecurity APIfalse positive reductionModel Context ProtocolMCPsecurity automationai agent securitycyber hygiene

Historical Pricing

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Caplight Momentum Score

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GreyNoise Intelligence Comparables

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GreyNoise Intelligence comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Criminal IP
78%
Shodan
76%
Censys
74%

GreyNoise Intelligence Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AJun 15, 2022
StrategicJun 29, 2021
SeedAug 4, 2020
SeedMar 27, 2019

GreyNoise Intelligence Investors

Notable investors and investment history

GreyNoise Intelligence investors
InvestorRounds
Paladin Capital GroupSeries A, Seed
Radian CapitalSeries A
CRVSeries A, Seed
In-Q-TelStrategic
StoneMill VenturesSeed
Inner Loop CapitalSeries A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 29, 2026

    Launched Project Swarm, a new collective research initiative.

  • Apr 7, 2026

    Launched Command and Control (C2) Detection module for network traffic analysis.

GreyNoise Intelligence Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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GreyNoise Intelligence Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about GreyNoise Intelligence's valuation, stock price, and market status.

Firmographic Details

HeadquartersWashington D.C.
Employee Range64
Year Founded2017
Last FundingJun 15, 2022

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