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GreyNoise

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A cybersecurity company that reduces false positives by filtering pointless Internet background noise

Washington DC, United StatesFounded 2017Cybersecurity
Valuation $50–100M Last recorded · 2022
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for GreyNoise and the history behind them.

About GreyNoise

GreyNoise Intelligence is a cybersecurity company that specializes in collecting, labeling, and analyzing data from Internet-wide scans and attacks. Unlike most cybersecurity firms that focus on identifying potential threats, GreyNoise helps organizations understand which threats they can safely ignore. This unique approach is often referred to as "Anti Threat Intelligence."

The company serves a variety of clients, including security analysts, network administrators, and researchers. These professionals are often overwhelmed by the sheer volume of Internet traffic and potential threats. GreyNoise provides them with a baseline of expected traffic, helping them distinguish between genuine threats and benign activities like bots, crawlers, and search engines that scan the Internet.

GreyNoise operates in the cybersecurity market, which is crucial for protecting digital assets and information. The company's business model revolves around offering its data and analysis services through subscriptions. Clients pay for access to GreyNoise's extensive database and analytical tools, which help them filter out non-threatening traffic and focus on real, targeted attacks.

Revenue is generated primarily through subscription fees. Clients subscribe to GreyNoise's services to gain access to its data, which helps them save time and resources by reducing the number of false positives they need to investigate. This allows security teams to be more efficient and effective in protecting their networks.

In summary, GreyNoise Intelligence provides a valuable service by helping organizations identify which Internet threats they can ignore, thereby allowing them to focus on genuine risks. This unique approach sets it apart in the crowded cybersecurity market.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2017
Headquarters
Washington DC, United States
Employees
64
Open positions
4
Dealroom signal
68.5/100
Industry
Security
Sub-industry
Device security & Antivirus
Sector
Information Technology, Cybersecurity
Business model
SaaS
Client focus
b2b
Investment activity
1 company, latest Aug 2022
Capital deployed
—
Preferred round
ACQUISITION

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES A✓Equity / VC Jun 2022 $15M $60M CRV · Paladin Capital Group · Radian Capital · Inner Loop Capital ↗
OtherOther financing Jun 2021 $0 — In-Q-Tel —
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022
2021
2020 —
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Growth signals

GreyNoise website traffic

Latest recorded traffic for GreyNoise is 110K monthly website visits, up 0% over the last three months. GreyNoise's team grew 0% over the past year.

Latest monthly visits110K 3-month web change0% 1-year team growth0%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

9 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed5 investors entered at this stage

  • Founder Friendly Labs
  • StoneMill Ventures
  • Inner Loop Capital
  • Paladin Capital Group
  • CRV

Series A1 investor entered at this stage

  • Radian Capital

Other known investors3 additional known investors

Team profiled 14 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
4 countries with
team presence
🇺🇸 United States87.3%
🇬🇧 United Kingdom7.3%
🇨🇦 Canada3.6%
🇮🇹 Italy1.8%
4 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about GreyNoise on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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