Top 25 Cloud Security startups

Updated: Nov 15, 2025
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These startups develop cloud firewall software, identity management services, data loss protection (DLP) systems, user behavior analytics (UEBA), secure access to cloud apps (SASE, CASB), software-defined Wide Area Network (SD-WAN).
1
Wiz
Country: USA | Funding: $2B
Wiz is a cybersecurity company that allows companies to find security issues in public cloud infrastructure.
2
Netskope
Country: USA | Funding: $1.4B
Netskope is the leading cloud access security broker (CASB).
3
Cyera
Country: USA | Funding: $1.3B
Cyera is the AI-powered data security platform that gives enterprises deep context on their data to assure cyber-resilience and compliance.
4
Check Point
Country: USA | Funding: $500М
Check Point Software Technologies provides and protects customers from cyberattacks.
5
Coro
Country: Israel | Funding: $255.1M
Autonomous, all-in-one platform that protects the cloud from unauthorized access, prevents data leakage, and mitigates cloud threats
6
Upwind Security
Country: USA | Funding: $180M
Upwind is the runtime-powered CNAPP that leverages runtime data to secure your cloud infrastructure.
7
Zscaler
Country: USA | Funding: $170.7M
Zscaler is working to make the internet safe for business. Go beyond basic internet security with our 100% cloud solution. Zero hardware and zero backhauling.
8
Securiti
Country: USA | Funding: $156M
Securiti creates data security cloud that provides a layer of data protection wherever the data lives
9
Cymulate
Country: Israel | Funding: $141M
Cymulate is a breach and attack simulation platform that helps organizations verify their security posture.
10
Eclypsium
Country: USA | Funding: $129M
Enterprise firmware protection for endpoints, data centers and cloud
11
Skyhigh Networks
Country: USA | Funding: $106.5M
Skyhigh Networks allows to manage shadow IT and securely enable sanctioned IT with unparalleled cloud visibility, threat detection, and policy enforcement. Acquired by McAfee
12
SonicWall
Country: USA | Funding: $100М
SonicWALL provides network, content, web, and email security, remote access, and business continuity solutions.
13
Fortinet
Country: USA | Funding: $89M
Fortinet is a provider of network security appliances that include firewalls, security gateways, and complementary products.
14
Mitiga
Country: Israel | Funding: $75M
Mitiga is the cloud-based solution for Incident Readiness and Response in cloud and hybrid environments.
15
Riot
Country: USA | Funding: $71.8M
Riot develops an employee-focused cyber-protection software platform for fighting phishing attempts.
16
Palo Alto Networks
Country: USA | Funding: $65M
Palo Alto Networks is the next-generation security company, leading a new era in cybersecurity by safely enabling applications and preventing cyber breaches for thousands of organizations worldwide. Built with an innovative approach and highly differentiated cyber threat prevention capabilities, their game-changing security platform delivers security far superior to legacy or point products, safely enables daily business operations, and protects an organization’s most valuable assets.
17
Blackwall
Country: Estonia | Funding: €57.5M
BlackWall provides a service to protect your website against malicious bots, crawlers, scrapers, and hacker attacks.
18
Sweet Security
Country: Israel | Funding: $45M
Sweet’s Cloud Runtime Security Suite delivers first-to-market capabilities for defending cloud workloads, shifting cloud security right.
19
Adaptive Shield
Country: Israel | Funding: $44M
Adaptive Shield is a developer of a security posture management platform used to help businesses manage their cloud services.
20
Cyral
Country: USA | Funding: $41.1M
Cyral helps to protect data stored in cloud repositories,
Fernando Lopez
Editor: Fernando Lopez
Fernando Lopez is a senior editor for SaaStartups. He joined the company after having previously spent over three years at ReadWriteWeb. Prior to his work as a reporter, Fernando worked in I.T. across a number of industries, including banking, retail and software. Fernando graduated from the University of Buenos Aires (Computer Science). He is more-than-averagely interested in photography and can often be found with a camera slung over his shoulder. He wrote a book about pitching startups to investors. You can contact Fernando at fernandolopez(at)saastartups(dot)com