GreyNoise

Threat Intelligence
1open role
3backers · CRV, Paladin Capital Group
10+team · employees, estimated range
39stories in the press

Overview

The network edge is your blind spot. GreyNoise delivers real-time threat intelligence to detect active exploitation, uncover compromised devices, and investigate attacks as they happen.

Funding and backers

Team
11-50
employees, estimated range
Hiring now
1
open roles
Backers
3
CRV, Paladin Capital Group
Momentum
15/100
in the news
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Feb 10 On the Hacker News front page The Day the Telnet Died · 499 points Mar 20, 2025 Recognition GreyNoise Wins the Golden Trifecta With Three New Globee Cybersecurity Awards · marketwatch.com Aug 2, 2019 Launched on Hacker News Show HN: GreyNoise Visualizer – Monitor Internet-wide scan and attack traffic
Tractionpublic signals, read monthly
Web presence
top 0.01%
of 133.2M domains by links, Common Crawl
Launched on Hacker News
9 points
Registers and programsofficial lists and records that name the company
Legal entity GreyNoise Intelligence, Inc. its site
Backed byfrom the funds' portfolios and accelerator catalogs
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Jobs

≈ $103k – $218k per year (Estimated) · Remote (United States) · Full-Time · 5+ years exp
Python
GreyNoise
SIEM
Apply

Growth

Hiring Momentum
28/100
Slowing
Open positions
1
0 opened / 0 closed in 30 days
Hiring Dynamics 0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Solutions
100% ▲

Tech stack

Technologies named in job postings at GreyNoise over the last 12 months, by layer, with the share of postings for each.
Technologies in use
2
Postings analysed
1
Stack modernity
74/100
Languages
Python
Cloud & platforms
SIEM
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Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors3
Radian CapitalVia a fund
34 portfolio companies: Yardzen, Tulip, getvpl and 31 more
67 portfolio companies: Human Security, Zerve, Virtuoso QA and 64 more
CRVVia a fund
154 portfolio companies: Threads, Zip, Zerto and 151 more

News

News Wion 2 months ago
Hundreds of AI agents broke into 395 organisations in 48 countries, and some went off script
GreyNoise says an attacker used hundreds of AI agents to exploit PaperCut flaws at 395 organisations in 48 countries - 11 of them in 26 seconds. The agents ran on OpenAI's Codex harness with a DeepSeek model.
Read more
Report
News AI Weekly 2 months ago
AI Agents Compromise 395 Orgs via PaperCut Flaws in Hours
A threat actor wrote the exploit and let AI agents do the intrusions, Help Net Security reports, citing GreyNoise. The automated run hit at least 440…
Read more
Report
News SOC Prime 2 months ago
AI-Orchestrated Campaign Targets PaperCut NG/MF
AI agents using Codex and DeepSeek exploit PaperCut NG/MF to gain RCE, steal credentials, move laterally, and reach Domain Admin access
Read more
Report
News Startup Fortune 2 months ago
AI Agents Exploited a PaperCut Flaw to Hack 395 Organizations Worldwide
GreyNoise says AI agents built on OpenAI Codex and DeepSeek breached 395 organizations by exploiting a PaperCut print-server flaw in hours, not weeks.
Read more
Report
News Tech Times 2 months ago
Attacker Used AI Agents to Hack 395 Organizations via PaperCut Print Flaws
PaperCut vulnerability CVE-2026-81578 and CVE-2026-82078 let a single attacker deploy AI agents that hacked 395 organizations across 48 countries in hours, reaching domain admin at a US high school
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Report
News Help Net Security 2 months ago
AI agents exploited PaperCut flaws to breach 395 organizations
AI agents ran a global attack on PaperCut NG/MF, breaching 440 servers in 48 countries, some in under 30 seconds.
Read more
Report
News The Hacker News 2 months ago
PaperCut Replaces Emergency Patches With Fixes for Two Actively Exploited Flaws
PaperCut releases maintenance updates replacing emergency patches for two actively exploited flaws used to break into at least 395 organizations.
Read more
Report
News BnkInfoSecurity 2 months ago
AI Agents Used in PaperCut Attacks on 395 Organizations
A likely Russian-speaking attacker used hundreds of AI agents to exploit PaperCut systems, compromising at least 440 systems at 395 organizations in 48 countries.
Read more
Report
Show more news

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Washington United States
HQ
10-50 est. staff