50 Best Cloud Security Companies to Watch in 2026

The most prominent cloud security companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 1,291 companies tracked on Fsome.

1,291
Total Companies
$41.3B
Total Funding
$32.0M
Avg Funding
San Francisco
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
Aikido Security
Aikido Security offers a platform for securing code, cloud, and runtime environm…
Ghent $84.6M Series B 2026-01-14
2
Torq
Torq is an AI-first no-code automation platform that unifies and automates workf…
Tel Aviv $330.0M Series D 2026-01-11
3
Chainguard
Chainguard is a cloud-native development platform that provides low-to-zero CVE …
Kirkland $892.0M Debt Financing 2025-10-23
4
GitLab
GitLab is a web-based Git repository manager that offers a variety of features f…
San Francisco $413.5M Series E 2019-09-17
5
Veza
Veza is a data security platform that helps users use and share their data safel…
Palo Alto 101 - 250 $233.0M Series D 2025-04-28
6
CrowdStrike
CrowdStrike is a cybersecurity technology firm that provides cloud-delivered pro…
Sunnyvale c 10001 max $1.2B Post Ipo Equity 2022-12-01
7
Keeper Security
Keeper Security is a cybersecurity platform for preventing password-related data…
Chicago 501 - 1K $60.2M Private Equity 2023-05-09
8
Acronis
Acronis unifies data protection & cybersecurity to deliver integrated, automated…
Schaffhausen 1K - 5K $658.0M Private Equity 2022-07-28
9
Axonius
Axonius is an asset inventory management platform that focuses on cybersecurity …
New York 501 - 1K $865.0M Series E 2024-03-05
10
Bedrock Data
Bedrock Data accelerates data security, governance, and management for all your …
San Francisco 11 - 50 $35.0M Series Unknown 2026-03-19
11
Upwind Security
Upwind Security provides cybersecurity solutions to protect organizations from d…
San Francisco 251 - 500 $430.0M Series B 2026-01-26
12
Zenity
Zenity secures AI agents everywhere - across SaaS, cloud, and the endpoint.
New York 101 - 250 $59.5M Series B 2024-10-29
13
CAST AI
CAST AI is the leading Kubernetes automation platform that cuts AWS, Azure, and …
Miami 101 - 250 $181.0M Series C 2026-01-12
14
Kiteworks
Kiteworks provides secure communication and file-sharing solutions for businesse…
San Mateo 501 - 1K $592.0M Private Equity 2024-08-14
15
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
16
Wiz
Wiz is a cloud security platform that facilitates collaboration between security…
New York 501 - 1K $2.0B Series Unknown 2024-11-18
17
Exabeam
Exabeam is a global leader in intelligence and automation that powers security o…
Foster City 501 - 1K $391.0M Series Unknown 2021-12-05
18
Cobalt
Cobalt is a PtaaS platform for security and development teams as well as infuses…
Boston 251 - 500 $37.0M Series B 2020-08-20
19
Apiiro
Apiiro enables security and development teams to proactively remediate risk befo…
New York 101 - 250 $135.0M Series B 2022-11-03
20
Stoïk
Stoïk is a cyber insurtech company that help businesses manage their exposure to…
Paris 101 - 250 $77.1M Series C 2026-01-20
21
Sprinto
Sprinto automates cloud security compliance, managing risk and controls with aut…
Bangalore 251 - 500 $31.5M Series B 2024-04-09
22
Sysdig
The leader in cloud security powered by runtime insights
San Francisco 501 - 1K $729.5M Series G 2021-12-15
23
Cyberhaven
Cyberhaven is an AI-powered data security company focused on detecting and preve…
Palo Alto 101 - 250 $236.5M Series D 2025-04-02
24
CyCognito
CyCognito is a leading exposure management platform that is fully-automated & hi…
Palo Alto 101 - 250 $153.0M Series C 2021-12-01
25
Illumio
Illumio is a cybersecurity platform specializing in breach containment and Zero …
Sunnyvale 501 - 1K $557.5M Series F 2021-06-23
26
Axiado Corporation Inc
Axiado is a security processor company redefining hardware root of trust with ha…
San Jose 101 - 250 $205.0M Series C 2025-12-02
27
Opal Security
An identity and access management platform that offers a consolidated view and c…
San Francisco 11 - 50 $33.8M Series B 2023-12-07
28
Cyble
Cyble is a leading AI-powered threat intelligence company offering comprehensive…
Cupertino 251 - 500 $44.8M Series B 2023-11-14
29
Bitdefender
Bitdefender is a security technology company that provides advanced threat prote…
Bucharest 1K - 5K $187.0M Secondary Market 2017-12-01
30
Alkira
Alkira is a network infrastructure as-a-service company that unifies multiple cl…
San Jose 101 - 250 $176.0M Series C 2024-05-15
31
Push Security
Real-time, in-browser threat detection & response
Boston 51 - 100 $49.0M Series B 2025-04-21
32
Todyl
Todyl operates as a networking and security platform built for MSP or MSSPs.
Denver 51 - 100 $83.8M Series B 2024-02-26
33
Sentra
Sentra is a cloud-native data security platform that utilizes AI to automaticall…
Tel Aviv 101 - 250 $103.0M Series B 2025-04-22
34
Deepwatch
Deepwatch secures the digital economy by protecting enterprise networks via its …
Tampa 101 - 250 $256.0M Series C 2023-02-15
35
Outpost24
Outpost24 provides cloud-based cybersecurity solutions that help organizations i…
Karlskrona 251 - 500 $23.9M Private Equity 2025-12-17
36
Corsha
Corsha offers a machine identity platform designed to secure machine-to-machine …
Vienna 11 - 50 $34.7M Series Unknown 2025-07-31
37
Canopy Works
The connected safety platform for hospitals and health systems
San Francisco 101 - 250 $44.0M Series B 2026-01-08
38
Panther
Panther is a modern SIEM platform that solves the challenges of security operati…
San Francisco 101 - 250 $140.5M Series B 2021-12-02
39
Internxt
Internxt is an open-source cloud storage service that focuses on user privacy an…
Valencia 11 - 50 $10.9M Seed 2025-07-16
40
CodeNotary
CodeNotary is a software company providing security technology to make the softw…
Houston 11 - 50 $51.5M Undisclosed 2025-11-25
41
Exaforce
Exaforce is a cybersecurity company that increases the efficacy and effeciency o…
San Jose 51 - 100 $76.0M Non Equity Assistance 2025-10-08
42
Sweet Security
Sweet Security is a cloud-native security company that specializes in providing …
Tel Aviv 51 - 100 $120.0M Series B 2025-11-12
43
Expel
Expel is a security operations provider that offers managed detection and respon…
Herndon 101 - 250 $288.8M Series E 2022-10-03
44
RAPIDFORT
RapidFort provides software supply chain security solutions for identifying and …
Sunnyvale 101 - 250 $52.8M Series A 2026-02-03
45
Netskope
Netskope is an IT firm that specializes in real-time security, stopping threats,…
Santa Clara 1K - 5K $1.4B Series Unknown 2024-09-30
46
Aviatrix
Aviatrix® is a leading cloud network security company.
Santa Clara 251 - 500 $340.8M Series Unknown 2022-12-08
47
IRONSCALES
The leading enterprise cloud email security platform combining AI and human insi…
Atlanta 101 - 250 $121.0M Secondary Market 2024-11-20
48
Vectra AI
Vectra AI develops an AI-driven integrated attack signal for threat detection an…
San Jose 501 - 1K $352.5M Series F 2021-04-29
49
HUB Security
HUB Security is redefining cyber security with quantum-driven confidential compu…
Tel Aviv 251 - 500 $140.5M Post Ipo Debt 2025-08-27
50
Liminal
Liminal develops a security platform for regulated enterprises.
Indianapolis 11 - 50 $17.0M Series Unknown 2025-11-13