50 Best Cyber Security Companies to Watch in 2026

The most prominent cyber security companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 19,125 companies tracked on Fsome.

19,125
Total Companies
$202.2B
Total Funding
$10.6M
Avg Funding
London
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Armis
Armis is a cyber exposure management and security company that protects the enti…
San Francisco $1.3B Series Unknown 2025-11-05
2
Cyera
Cyera is an AI-powered data security platform that gives enterprises deep contex…
New York $1.7B Series F 2025-12-16
3
Claroty
Claroty is a cybersecurity company that protects XIoT and cyber-physical systems…
New York 501 - 1K $940.0M Series F 2026-01-22
4
Aikido Security
Aikido Security offers a platform for securing code, cloud, and runtime environm…
Ghent $84.6M Series B 2026-01-14
5
Torq
Torq is an AI-first no-code automation platform that unifies and automates workf…
Tel Aviv $330.0M Series D 2026-01-11
6
Saviynt
Saviynt offers an AI-based identity security platform that secures and governs a…
El Segundo 1K - 5K $1.1B Series B 2025-12-09
7
Seraphic Security
Seraphic Security is a cyber security startup that provides a robust protection …
Tel Aviv $29.0M Series A 2025-01-30
8
Horizon3.ai
Horizon3.ai offers an autonomous penetration testing platform that helps organiz…
San Francisco 251 - 500 $178.5M Series Unknown 2026-01-13
9
CloudSEK
CloudSEK is a predictive cyber threat intelligence platform that identifies and …
Singapore 101 - 250 $38.5M Series B 2026-01-13
10
NinjaOne
NinjaOne serves as an IT platform for endpoint management that enhances producti…
Austin 1K - 5K $761.5M Series C 2025-02-24
11
Quantinuum
Quantinuum is a IT firm that accelerates quantum computing and the development o…
Broomfield 501 - 1K $2.8B Series Unknown 2025-11-13
12
Socure
Socure is a predictive analytics platform for digital identity verification of c…
Incline Village 501 - 1K $744.4M Debt Financing 2023-03-08
13
SandboxAQ
SandboxAQ develops AI and quantum technology solutions that enhance biopharma, c…
Palo Alto 101 - 250 $975.0M Series E 2025-04-04
14
Nozomi Networks
Nozomi Networks offers a cybersecurity platform that protects operational techno…
San Francisco 251 - 500 $266.0M Private Equity 2025-07-30
15
Tines
Tines is a no-code workflow automation platform designed especially for security…
Dublin 251 - 500 $271.2M Series C 2025-02-11
16
CrowdStrike
CrowdStrike is a cybersecurity technology firm that provides cloud-delivered pro…
Sunnyvale c 10001 max $1.2B Post Ipo Equity 2022-12-01
17
Zafran Security
Zafran Security is a cybersecurity platform that identifies exploitable vulnerab…
New York 51 - 100 $130.5M Series C 2025-12-02
18
Adaptive Security
Adaptive Security provides training and phishing simulations to help organizatio…
New York 101 - 250 $136.0M Series B 2025-12-16
19
Darktrace
Darktrace is an AI company that uses cybersecurity solutions to identify, preven…
Cambridge 1K - 5K $230.5M Post Ipo Secondary 2020-03-25
20
Keeper Security
Keeper Security is a cybersecurity platform for preventing password-related data…
Chicago 501 - 1K $60.2M Private Equity 2023-05-09
21
Acronis
Acronis unifies data protection & cybersecurity to deliver integrated, automated…
Schaffhausen 1K - 5K $658.0M Private Equity 2022-07-28
22
Tanium
Tanium is an IT security firm that provides risk management, incident response, …
Kirkland 1K - 5K $1.0B Secondary Market 2021-06-30
23
7AI
7AI provides an AI-driven cybersecurity platform that utilizes AI agents to mana…
Boston 101 - 250 $202.0M Series A 2025-12-04
24
Persona
Persona is an identity verification and management platform that enables busines…
San Francisco 251 - 500 $417.5M Series D 2025-04-30
25
interos.ai
Interos provides continuous visibility, analysis, and monitoring of extended sup…
Arlington 101 - 250 $194.8M Private Equity 2026-01-06
26
Semperis
Semperis is a developer of enterprise identity protection and cyber resilience f…
Hoboken 251 - 500 $498.3M Debt Financing 2024-06-20
27
Quantum Computing
Quantum Computing is developing processes to commercialize quantum computing har…
Hoboken 11 - 50 $1.7B Post Ipo Equity 2025-10-05
28
Sumsub
One verification platform to secure the whole customer journey
Limassol 501 - 1K $37.5M Series B 2022-12-15
29
Sonar
Sonar provides open-source and commercial code analyzers to help developers mana…
Geneva 501 - 1K $457.0M Series B 2022-04-26
30
Doppel
Doppel is an AI-native security platform that helps organizations defend against…
Covina 101 - 250 $128.8M Series C 2025-11-19
31
Naoris Protocol
Naoris Protocol is a decentralized security framework that protects digital syst…
Wilmington 11 - 50 $34.2M Corporate Round 2026-01-12
32
Axonius
Axonius is an asset inventory management platform that focuses on cybersecurity …
New York 501 - 1K $865.0M Series E 2024-03-05
33
MagicCube
MagicCube is a security platform for mobile and IoT devices, delivering hardware…
Santa Clara 11 - 50 $37.2M Series Unknown 2026-01-11
34
Bedrock Data
Bedrock Data accelerates data security, governance, and management for all your …
San Francisco 11 - 50 $35.0M Series Unknown 2026-03-19
35
Stellar Cyber
Stellar Cyber is an open XDR platform that offers comprehensive security while s…
Santa Clara 101 - 250 $93.5M Series Unknown 2023-08-21
36
BigID
BigID is a data intelligence company that helps organizations discover, manage, …
New York 251 - 500 $306.1M Series E 2024-03-18
37
SentinelOne
SentinelOne is an autonomous cybersecurity solution company.
Mountain View 1K - 5K $696.5M Post Ipo Equity 2021-06-30
38
Privy
Privy provides infrastructure for building on crypto rails, allowing for secure …
New York 11 - 50 $41.3M Series Unknown 2025-03-19
39
Zenity
Zenity secures AI agents everywhere - across SaaS, cloud, and the endpoint.
New York 101 - 250 $59.5M Series B 2024-10-29
40
Yubico
Yubico protects logins with hardware devices like YubiKey, which offer secure an…
Santa Clara 251 - 500 $292.2M Post Ipo Equity 2023-10-03
41
Terra Industries
Terra Industries develops autonomous security systems and software platforms tha…
Abuja 101 - 250 $33.8M Seed 2026-02-16
42
Siemens
Siemens empowers customers to transform the industries that form the backbone of…
Munich c 10001 max $7.0B Post Ipo Equity 2025-02-20
43
Exein
Exein is a cybersecurity company that specializes in protecting embedded devices…
Roma 11 - 50 $224.4M Debt Financing 2025-12-18
44
CertiK
CertiK leverages formal verification technology to mathematically ensure securit…
New York 101 - 250 $300.2M Series B 2022-04-22
45
LogicGate
LogicGate is a technology company that offers cyber risk, controls compliance, a…
Chicago 101 - 250 $156.0M Series C 2021-07-28
46
Vega
Vega Security offers cybersecurity services for cyberattack detection.
Tel Aviv-yafo 51 - 100 $185.0M Series B 2025-12-17
47
ThreatLocker
ThreatLocker is a cybersecurity company that specializes in endpoint security an…
Orlando 501 - 1K $299.4M Series E 2025-04-10
48
Endor Labs
Application Security for the AI-Software Development Era
Palo Alto 101 - 250 $188.0M Series B 2025-04-23
49
Wiz
Wiz is a cloud security platform that facilitates collaboration between security…
New York 501 - 1K $2.0B Series Unknown 2024-11-18
50
Teleport
Teleport is an infrastructure identity company provides access to infrastructure…
Oakland 101 - 250 $169.2M Series C 2022-05-03