Cybersecurity · United States, India

Best Cybersecurity Companies in United States

Updated 2026-06-16 · Ranked by funding & momentum

6077 indexable Cybersecurity companies headquartered in United States, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $112.3B across 2383 funded companies, including 88 unicorns.

6,077
Companies
$112.3B
Total Funding
2,383
Funded
88
Unicorns
24
Rounds (90d)

Ranked: Best Cybersecurity companies in United States

#CompanyFundingValuationStage Latest roundEmployeesFoundedMomentum
1 Cyera Unicorn
Data security company specializing in AI-native data security posture management and data loss prevention solutions
$1.7B Series F Series F Dec 2025 2020 ↑ Active
2 Exaforce
Provider of an agentic security operations platform with AI capabilities
$263.2M Series B Series B May 2026 2023 ↑ Active
3 XBOW
AI-powered autonomous penetration testing platform
$251.1M Series C Series C May 2026 40 2024 ↑ Active
4 Claroty Unicorn
Provider of cyber-physical system security solutions for industrial and commercial sectors
$732M $2B
as of 2021
Series F Series F Jan 2026 500 2015 ↑ Active
5 TENEX
Provider of cybersecurity suite solutions
$277M Series B Series B Mar 2026 2024 ↑ Active
6 Cloaked
Provider of digital identity protection platform
$404M Series B Series B Feb 2026 21 2020 ↑ Active
7 Armis Unicorn
Provider of a wireless security platform for IoT applications
$800M $4.2B
as of 2024
Acquired Series E Nov 2025 500 2015 ↑ Active
8 AuthID
AI and cloud based identity proofing and authentication solutions for enterprises
$83.3M Public Post IPO Apr 2026 25 2011 ↑ Active
9 Spring Labs
Provider of an AI-native platform for complaints management and governance risk compliance
$66.5M Series C Series C May 2026 30 2017 ↑ Active
10 Censys
Exposure management and threat hunting solutions
$103.1M Series D Conventional Debt Mar 2026 101 2015 ↑ Active
11 Socket
Provider of a platform offering JavaScript security solutions
$65M Series C Series C May 2026 10 2020 ↑ Active
12 Stellar Cyber
Provider of AI-driven platform for security operations, threat detection, and response
$68M Series B Conventional Debt Apr 2026 38 2015 ↑ Active
13 DepthFirst
Provider of an AI-native application security platform for software systems
$120M Series B Series B Mar 2026 2024 ↑ Active
14 TRM Labs Unicorn
Provider of blockchain intelligence for detecting crypto-facilitated crime and compliance
$149.9M Series C Series C Feb 2026 11 2018 ↑ Active
15 Eclypsium
Provider of supply chain security platform for IT infrastructure components
$81.8M Series C Series C Mar 2026 25 2017 ↑ Active
16 Oasis Security
Identity management platform
$75M Series B Series B Mar 2026 2022 ↑ Active
17 Alcatraz AI
Provider of AI-powered facial authentication access control and security systems
$51.1M Series B Series B Apr 2026 21 2016 ↑ Active
18 Chainguard Unicorn
Provider of hardened container images, language libraries, and virtual machine images
$256M $1.1B
as of 2024
Series D Conventional Debt Oct 2025 77 2021 ↑ Active
19 ArmorCode
AI powered application security solutions
$65M Series B Series B Mar 2026 100 2020 ↑ Active
20 SSI Unicorn
Platform offering security solutions for AI models
$1B $5B
as of 2024
Series A Series A Jul 2025 2024 ↑ Active
21 Feedzai Unicorn
Provider of an AI-native platform for fraud and financial crime prevention
$282M $1B
as of 2021
Series E Series E Oct 2025 597 2011 ↑ Active
22 Saviynt Unicorn
Provider of AI-based identity security and access management platform solutions
$170M Series B Series B Dec 2025 371 2010 ↑ Active
23 Horizon Three AI
Cloud based pentesting platform
$83.5M Series D Series D Jan 2026 102 2019 ↑ Active
24 Turnkey
Provider of secure, flexible, and scalable wallet infrastructure solutions
$22.5M Series B Series B May 2026 6 2022 ↑ Active
25 UpGuard
Cloud based platform offering third party risk management software
$46.3M Series C Series C Feb 2026 50 2012 ↑ Active
26 Upwind Unicorn
Provider of cloud security solutions for infrastructure and application protection
$80M Series B Series B Jan 2026 19 2022 ↑ Active
27 Nucleus
Integrated risk and vulnerability management platform
$66.1M Series C Series C Feb 2026 22 2018 ↑ Active
28 ID.me Unicorn
Cloud based secure identity management and authentication solutions provider
$278.6M $1.5B
as of 2021
Series E Series E Sep 2025 1,386 2010 ↑ Active
29 7AI
Provider of an agentic security platform using AI agents for cybersecurity
$166M Series A Series A Dec 2025 2024 ↑ Active
30 Allure Security
Provider of behavior analytics and machine learning based data security
$32.1M Series B Series B Mar 2026 29 2009 ↑ Active
31 Adaptive
Provider of security training platform
$124M Series B Series B Dec 2025 2025 ↑ Active
32 Sift Unicorn
Provider of an AI-powered platform for fraud detection and prevention
$161.2M $1B
as of 2021
Series D Series D Oct 2025 167 1997 ↑ Active
33 Linx Security
Provider of identity access management solutions
$33M Series B Series B Mar 2026 2023 ↑ Active
34 Xage Security
Provider of a blockchain based security platform for IoT applications
$80M Series B Series B Dec 2025 44 2016 ↑ Active
35 Cybereason Unicorn
Provider of cyberattack prevention, detection, and response software and services
$818.2M $2.5B
as of 2022
Acquired Series H Mar 2025 424 2012 ↑ Active
36 Prophet Security
Provider of an AI SOC platform with agentic AI analyst
$41M Series A Series A Feb 2026 2023 ↑ Active
37 Outtake
Provider of AI agent cybersecurity solutions for digital risk protection
$56.5M Series B Series B Jan 2026 2023 ↑ Active
38 Corridor
AI-powered secure by design development platform for building and deploying secure software systems
$30.4M Series A Series A Mar 2026 2025 ↑ Active
39 RIIG Tech
Provider of AI-powered cybersecurity and risk intelligence solutions
$16.3M Series A Series A Apr 2026 2021 ↑ Active
40 Cogent
Provider of AI-powered platform for vulnerability management and risk mitigation
$42M Series A Series A Feb 2026 2024 ↑ Active
41 Aura Unicorn
Provider of online safety solutions for identity, privacy, and devices
$672M $2.5B
as of 2021
Series G Series G Mar 2025 21 2017 ↑ Active
42 Zafran
Security risk mitigation platform
$70M Series C Series C Dec 2025 2022 ↑ Active
43 Reliaquest Unicorn
Developer of agentic AI security operations platform for threat containment
$630M $1B
as of 2021
Series E Series E Apr 2025 777 2007 ↑ Active
44 Opaque
Cloud and AI based analytics for encrypted cloud data
$31.6M Series B Series B Feb 2026 21 2019 ↑ Active
45 Reco
AI based sensitive data management software
$30M Series B Series B Feb 2026 5 2020 ↑ Active
46 RunSybil
Provider of AI based cybersecurity solutions for businesses
$40M Series A Series A Jan 2026 2023 ↑ Active
47 Armadin
Developer of a cybersecurity platform utilizing AI to simulate and detect potential vulnerabilities in a companys defenses
$24M Series A Series A Mar 2026 2025 ↑ Active
48 CyberCube
Cloud based cyber risk analytics and insurance underwriting solutions for the insurance industry
$100M Series D Series D Oct 2025 76 2016 ↑ Active
49 LiveKit
Developer of open-source platform for building and scaling realtime voice agents
$29.3M Series C Series C Jan 2026 15 2021 ↑ Active
50 Spin Systems
Provider of SaaS security solutions protecting data from threats and risks
$18M Series A Series A Mar 2026 67 2017 ↑ Active

Top 12 Cybersecurity companies in United States

#1
Cyera Unicorn Series F
$1.7B Raised
expand_more
#1

Cyera Unicorn Series F

location_onNew York City, New York
Founded
2020
Funding raised
$1.7B
Stage
Series F

Data security company specializing in AI-native data security posture management and data loss prevention solutions. It enables companies to improve data security, reduce risks, and stay compliant with regulations.

Funding rounds (7 disclosed of 7)
Round Date Amount
Series F Dec 2025 $400M
Series E Jun 2025 $540M
Series D Nov 2024 $300M
Series C Apr 2024 $300M
Series B Jun 2023 $100M
Series A Mar 2022 $60M
1 earlier round — sign up free
Tech stack
amazon s3amazon web servicescloudflarecloudflare bot managementcore-jsfacebook pixel+14
#2
Exaforce Series B
$263.2M Raised
expand_more
#2

Exaforce Series B

location_onSan Jose, California
Founded
2023
Funding raised
$263.2M
Stage
Series B

Provider of an agentic security operations platform with AI capabilities. The platform offers threat detection, triage, investigation, and response across various attack surfaces. It integrates with existing tools to streamline security operations. The platform uses multi-model AI to deliver consistent and precise outcomes. It provides capabilities for autonomous alert triage and AI-driven analysis. The platform is a

Funding rounds (4 disclosed of 4)
Round Date Amount
Series B May 2026 $125M
Series A Apr 2025 $75M
Series A Apr 2024 $36.2M
Series A Jul 2023 $27M
Tech stack
apple icloud mailcdnjscloudflarecloudflare bot managementcore-jsgoogle analytics+14
#3
XBOW Series C
$251.1M Raised
expand_more
#3

XBOW Series C

location_onSeattle, Washington
Founded
2024
Employees
40
Funding raised
$251.1M
Stage
Series C

AI-powered autonomous penetration testing platform. The platform identifies and exploits vulnerabilities in web applications. It uses AI to execute commands, analyze outputs, and refine its approach without human intervention. It allows users to discover and exploit vulnerabilities, representing a significant advancement in protecting software and infrastructure from cyber threats.

Funding rounds (5 disclosed of 5)
Round Date Amount
Series C May 2026 $35M
Series C Mar 2026 $120.9M
Series B Jun 2025 $75M
Seed Jul 2024 $20M
Grant (prize money) Jan 2024 $149.7K
Tech stack
apple icloud mailcloudflaredocusigngoogle analyticsgoogle tag managergsap+13
#4
Claroty Unicorn Series F
$732M Raised
expand_more
#4

Claroty Unicorn Series F

location_onNew York, New York
Founded
2015
Employees
500
Funding raised
$732M
Valuation
$2B · 2021
Stage
Series F

Provider of cyber-physical system security solutions for industrial and commercial sectors. The platform offers asset inventory, exposure management, network protection, secure access, and threat detection. It caters to industrial, healthcare, commercial, and public sector environments. The company provides vulnerability and threat research to customers and cyber-physical network defenders.

Funding rounds (6 disclosed of 7)
Round Date Amount
Series F Jan 2026 $150M
Series E Mar 2024 $100M
Series E Dec 2021 $400M
Series D Jun 2021 $140M
Series B Dec 2018 Undisclosed
Series B Jun 2018 $60M
1 earlier round — sign up free
Tech stack
6senseadobe audience manageralpine.jsamazon web servicesangularapple icloud mail+14
#5
TENEX Series B
$277M Raised
expand_more
#5

TENEX Series B

location_onSarasota, Florida
Founded
2024
Funding raised
$277M
Stage
Series B

Provider of cybersecurity suite solutions. It offers solutions such as managed detection and response, threat management, security automation, incident response, and more. It offers data-driven threat detection, proactive risk management, and automated response capabilities. It is an MDR platform that continuously adapts, helping identify and neutralize threats in real time while automating routine security processes

Funding rounds (2 disclosed of 3)
Round Date Amount
Series B Mar 2026 $250M
Series A Sep 2025 $27M
Seed Jan 2025 Undisclosed
Tech stack
apple icloud mailcloudflarecloudflare bot managementcloudflare turnstilecore-jselementor+14
#6
Cloaked Series B
$404M Raised
expand_more
#6

Cloaked Series B

location_onLowell, Massachusetts
Founded
2020
Employees
21
Funding raised
$404M
Stage
Series B

Provider of digital identity protection platform. It provides a secure identity management solution that generates unlimited virtual identities with unique email, username, password, and phone number for every website. The platform aims to protect individual personal information from being publicly accessible and vulnerable to identity theft. It can keep the real identities private while still being able to access va

Funding rounds (3 disclosed of 3)
Round Date Amount
Series B Feb 2026 $375M
Series A Mar 2022 $25M
Seed Jan 2022 $4M
Tech stack
bootstrapcalendlycloudflarecloudflare bot managementcloudflare browser insightscloudflare turnstile+14
#7
Armis Unicorn Acquired
$800M Raised
expand_more
#7

Armis Unicorn Acquired

location_onSan Francisco, California
Founded
2015
Employees
500
Funding raised
$800M
Valuation
$4.2B · 2024
Stage
Acquired

Provider of a wireless security platform for IoT applications. Offers an early stage wireless security platform focused on IoT security in an organization. The solution delivers continuous visibility and control over wireless communications, devices, and data.

Funding rounds (7 disclosed of 7)
Round Date Amount
Series E Nov 2025 $435M
Series D Oct 2024 $200M
Series D Nov 2021 $300M
Series C Feb 2021 $125M
Series C Apr 2019 $65M
Series B Apr 2018 $30M
1 earlier round — sign up free
Tech stack
amazon sesamazon web servicesapple icloud mailcdnjscloudflarecloudflare bot management+14
#8
AuthID Public
$83.3M Raised
expand_more
#8

AuthID Public

location_onLong Beach, California
Founded
2011
Employees
25
Funding raised
$83.3M
Stage
Public

AI and cloud based identity proofing and authentication solutions for enterprises. Its offering includes biometric identity proofing, authentication ID, facial biometric authentication, and fingerprint authentication. It also offers services such as technical supports and consulting. It caters to government and privates companies.

Funding rounds (19 disclosed of 20)
Round Date Amount
Post IPO Apr 2026 $4.2M
Post IPO Jun 2023 $4.1M
Post IPO May 2023 $9M
Post IPO Mar 2022 $22.5M
Series A Oct 2020 $5.2M
Series A Feb 2020 $1.5M
14 earlier rounds — sign up free
Founders & key people
Tech stack
atlassian statuspagecloudflarecloudflare bot managementcookie noticecore-jsdivi+14
#9
Spring Labs Series C
$66.5M Raised
expand_more
#9

Spring Labs Series C

location_onLos Angeles, California
Founded
2017
Employees
30
Funding raised
$66.5M
Stage
Series C

Provider of an AI-native platform for complaints management and governance risk compliance. The platform offers conversation intelligence, direct complaints detection, and regulatory complaints tracking. It also provides templated response generation, resolution analysis, and complaints insights business intelligence. The platform integrates with existing systems to streamline workflows. It helps teams unlock custome

Funding rounds (7 disclosed of 7)
Round Date Amount
Series C May 2026 $5M
Series B May 2025 $2.5M
Series B May 2021 $15M
Series A Jun 2019 $23M
Seed May 2019 $13.8M
Seed Mar 2018 $14.8M
1 earlier round — sign up free
#10
Censys Series D
$103.1M Raised
expand_more
#10

Censys Series D

location_onAnn Arbor, Michigan
Founded
2015
Employees
101
Funding raised
$103.1M
Stage
Series D

Exposure management and threat hunting solutions. It is a platform that helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security. It offers exposure management, external attack surface management, and threat hunting solutions powered by a comprehensive dataset of internet intelligence.

Funding rounds (7 disclosed of 7)
Round Date Amount
Series D Mar 2026 $40M
Conventional Debt Mar 2026 $30M
Series C Oct 2023 $50M
Conventional Debt Oct 2023 $25M
Series B Jan 2022 $35M
Series A Aug 2020 $15.5M
1 earlier round — sign up free
Tech stack
6sensealgoliaamazon cloudfrontamazon web servicesapple icloud mailbabel+14
#11
Socket Series C
$65M Raised
expand_more
#11

Socket Series C

location_onStanford, California
Founded
2020
Employees
10
Funding raised
$65M
Stage
Series C

Provider of a platform offering JavaScript security solutions. It provides a cyber security platform that protects users applications from malicious dependencies lurking in an open source supply chain. It also assists users in finding and comparing millions of open source packages and it also detects and blocks software supply chain attacks.

Funding rounds (4 disclosed of 4)
Round Date Amount
Series C May 2026 $60M
Series B Oct 2024 $40M
Series A Aug 2023 $20M
Seed May 2022 $4.6M
Tech stack
amazon cloudfrontamazon web servicesapple icloud mailatlassian statuspagebabelbootstrap+14
#12
Stellar Cyber Series B
$68M Raised
expand_more
#12

Stellar Cyber Series B

location_onSanta Clara, California
Founded
2015
Employees
38
Funding raised
$68M
Stage
Series B

Provider of AI-driven platform for security operations, threat detection, and response. The platform unifies security alerts, logs, network traffic, and endpoint data. It offers automated threat hunting, incident response, and case management. The platform helps security teams to identify threats and improve security effectiveness.

Funding rounds (7 disclosed of 8)
Round Date Amount
Conventional Debt Apr 2026 $25M
Series B Aug 2023 $33.7M
Series B Nov 2021 $38M
Conventional Debt Nov 2020 $1.5M
Series A Mar 2020 $7.8M
Series A Sep 2019 $2.1M
2 earlier rounds — sign up free
Tech stack
apache http serverapple icloud mailastracloudflarecloudflare bot managementcookieyes+14

Recent signals in United States Cybersecurity

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Funding & investor landscape

Total raised
$112.3B
across these companies
Companies funded
2,383
with disclosed funding
Highest-funded
$4.5B raised

Most active investors

YC Y Combinator 121 investments in Cybersecurity T Techstars 71 investments in Cybersecurity A Accel 67 investments in Cybersecurity IP Insight Partners 67 investments in Cybersecurity SC Sequoia Capital 65 investments in Cybersecurity I In-Q-Tel 64 investments in Cybersecurity BP Bessemer Venture Partners 61 investments in Cybersecurity PC Plug and Play Tech Center 60 investments in Cybersecurity FC ForgePoint Capital 55 investments in Cybersecurity AH Andreessen Horowitz 53 investments in Cybersecurity IC Intel Capital 52 investments in Cybersecurity CI Cisco Investments 50 investments in Cybersecurity

Notable founders in United States Cybersecurity

YI Yonatan Itai Co-Founder & VP R&D Cyera · $1.7B raised
TB Tamar Bar-Ilan Co-Founder & CTO Cyera · $1.7B raised
YS Yotam Segev Co-Founder & CEO Cyera · $1.7B raised
JP Jakub Pavlik Co-Founder & Head Of Engineering Exaforce · $263.2M raised
AS Ankur Singla Co-Founder & CEO Exaforce · $263.2M raised
OM Oege Moor Founder & CEO XBOW · $251.1M raised
GA Galina Antova Co-Founder Claroty · $732M raised
BP Benny Porat Co-Founder, CTO Claroty · $732M raised
AZ Amir Zilberstein Co-Founder & Chairman Claroty · $732M raised
RS Ryan Shreve Co-Founder & CFO/COO TENEX · $277M raised
EF Eric Foster CEO TENEX · $277M raised
YD Yevgeny Dibrov Co-Founder & CEO Armis · $800M raised

Frequently asked questions

How many Cybersecurity companies are there in United States?
Radar tracks 6077 indexable Cybersecurity companies headquartered in United States, India, that meet our profile-completeness bar.
What is the total funding raised by Cybersecurity companies in United States?
The Cybersecurity companies in United States on this list have raised a combined $112.3B in disclosed equity funding across 2383 funded companies.
Which is the highest-funded Cybersecurity company in United States?
Dell Technologies is the highest-funded Cybersecurity company in United States, with $4.5B in disclosed equity funding.
How many Cybersecurity companies in United States are funded?
2383 of the 6077 Cybersecurity companies in United States on this list have disclosed at least one equity funding round.
How many Cybersecurity unicorns are there in United States?
88 Cybersecurity companies in United States on this list are valued at $1B or more.
Who are the top investors in United States Cybersecurity companies?
The most active investors in United States Cybersecurity companies on this list include Y Combinator, Techstars, Accel, Insight Partners, Sequoia Capital.

Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-16.

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