GreyNoise - About the company
GreyNoise is a series A company based in Washington, DC (United States), founded in 2017 by Andrew Morris. It operates as a Provider of real-time network threat intelligence for modern security defense. GreyNoise has raised $21M in funding from investors like CRV, Inner Loop Capital and Radian Capital. The company has 27 active competitors, including 6 funded and 2 that have exited. Its top competitors include companies like ReversingLabs, Seclytics and Cyber Sixgill.
Company Details
Provider of real-time network threat intelligence for modern security defense. The platform offers early warnings for CVE disclosures based on traffic spikes. It detects compromised assets communicating with malicious IP addresses. The platform prioritizes vulnerabilities using real-time insight into active exploitation trends. It filters noisy, low priority, and false-positive alerts from mass internet scanners. The platform enriches threat hunting campaigns by identifying anomalous behavior.
- Website
- www.greynoise.io/
- Email ID
- *****@greynoise.io
Key Metrics
Founded Year
2017
Location
Washington, DC, United States
Stage
Series A
Total Funding
$21M in 3 rounds
Latest Funding Round
Ranked
1st among 27 active competitors
Employee Count
61 as on Jun 30, 2026
Investment & Acquisitions
Similar Companies
Legal entities associated with GreyNoise
GreyNoise is associated with 1 legal entity given below:
Legal Entity Name | Date of Incorporation | Revenue | Latest Employee Count | Documents |
|---|---|---|---|---|
GREYNOISE INTELLIGENCE, INC. CIN: 7158094 , United States, Active | Dec 06, 2018 | - | 47 (As on Dec 31, 2022) | - |
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GreyNoise's funding and investors
GreyNoise has raised a total funding of $21M over 3 rounds. Its first funding round was on Mar 27, 2019. Its latest funding round was a Series A round on Jun 15, 2022 for $*****. 5 investors participated in its latest round. GreyNoise has 7 institutional investors and 3 angel investors.
Here is the list of recent funding rounds of GreyNoise:
Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Jun 15, 2022 | 2679698 | Series A | 1216545 | 4172575 | 9213825 | 3686377 |
Jul 22, 2020 | 7690996 | Series A | 6312697 | 9061324 | 7299064 | |
Mar 27, 2019 | 3812854 | Seed | 3790212 | 8531251 |
View details of GreyNoise's funding rounds and investors
GreyNoise's founders and board of directors
Founder? Claim ProfileThe founders of GreyNoise is Andrew Morris. Andrew Morris is the CEO of GreyNoise.
Here are the details of GreyNoise's key team members:
- Andrew Morris: Founder & CEO of GreyNoise. They are also an angel investor in 1 startup.Contact Info: 1 email address
View details of GreyNoise's Founder profiles and Board Members
GreyNoise's employee count trend
GreyNoise has 61 employees as of Jun 26. Here is GreyNoise's employee count trend over the years:
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GreyNoise's Competitors and alternates
Top competitors of GreyNoise include ReversingLabs, Seclytics and Cyber Sixgill. Here is the list of Top 10 competitors of GreyNoise, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st | GreyNoise 2017, Washington, DC (United States), Series A | Provider of real-time network threat intelligence for modern security defense | $21M | 62/100 | |
2nd | ReversingLabs 2009, Cambridge (United States), Series B | Provider of software supply chain security and threat intelligence solutions | $120M | 62/100 | |
3rd | Seclytics 2014, San Francisco (United States), Seed | Provider of an AI-driven platform for preemptive cybersecurity threat prevention | $150K | 50/100 | |
4th | Cyber Sixgill 2014, Netanya (Israel), Acquired | Provider of cyber threat intelligence and exposure management solutions and services | $56M | 47/100 | |
5th | CSC Digital Brand Services 1899, Wilmington (United States), Series A | Platform offering domain portfolio management solutions | - | 44/100 | |
6th | Alpha Mountain AI 2020, Draper (United States), Seed | Platform offering threat intelligence solutions | $2.7M | 35/100 | |
7th | Infrawatch 2024, London (United Kingdom), Unfunded | Provider of real-time adversary infrastructure intelligence | - | - | 26/100 |
8th | Provides a suite of integrated tools to build community websites | - | - | 25/100 | |
9th | BrandSSL 2021, Wilmington (United States), Unfunded | Cloud based SSL and website security solutions provider | - | - | 24/100 |
10th | Abuse Scan 2022, Oslo (Norway), Unfunded | Cloud based platform offering domain portfolio management solutions | - | - | 24/100 |
Looking for more details on GreyNoise's competitors? Click here to see the top ones
GreyNoise's Investments and acquisitions
GreyNoise has acquired Krit. GreyNoise has not made any investments as of now.Reports related to GreyNoise
Here is the latest report on GreyNoise's sector:
News related to GreyNoise
Media has covered GreyNoise for a total of 7 events in the last 1 year, 6 of them have been about company updates and 1 about people movement.
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Vulnerability Exploitation Surges Often Precede Disclosure: GreyNoise ReportCybersecurity Dive•Apr 20, 2026•GreyNoise
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GreyNoise Launches C2 Detection to Expand Visibility Into Edge Network ThreatsGovCon Wire•Apr 09, 2026•GreyNoise
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React2Shell Exploitation Sees Significant Change in Threat ActivityCybersecurity Dive•Feb 04, 2026•GreyNoise
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GreyNoise Launches IP Detection Tool to Address Cybersecurity ThreatsCui Niuhui•Dec 03, 2025•GreyNoise
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ThreatBlockr integrates with GreyNoise to guard against false positivesHelp Net Security•May 09, 2023•GreyNoise, Threater
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