69 Best Cloud Computing Security Startups to Watch in 2025

The Definitive Seedtable Ranking of Cloud Computing Security Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 292 start-ups with an aggregate funding of $13.9b. The average funding per company in this subset is $201.1m.

Last update to the database: Feb 18, 2025. See changelog.

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5

Funding Rounds

$349.2m

Money raised

HashiCorp is a software company providing tools for developers and security professionals to provision, secure, and run infrastructure for distributed applications for organizations.

Key people:

10

Funding Rounds

$1.6b

Money raised

Snyk is a technology company offering a software development security platform using open-source code.

4

Funding Rounds

$8.5m

Money raised

CUJO AI is a network intelligence software company.

3

Funding Rounds

$22.8m

Money raised

Distil Networks was an American cybersecurity company founded in 2011 and headquartered in San Francisco, California.

2

Funding Rounds

$37.0m

Money raised

Blue Hexagon is a San Francisco-based cybersecurity company offering an on-device machine learning based malware detection product.

Key people:

9

Funding Rounds

$899.3m

Money raised

Arctic Wolf Networks provides a cybersecurity platform that executes risk management and task analysis using machine learning.

9

Funding Rounds

$1.0b

Money raised

Netskope is a cloud access security broker company. It provides a cloud-scale security platform for managing cloud usage in an enterprise.

1

Funding Rounds

$17.2m

Money raised

ArDrive is a blockchain-based storage App.

4

Funding Rounds

$140.0m

Money raised

CyberCube Analytics delivers a cyber risk analytics platform that is specifically designed for the insurance industry.

Location:

Key people:

6

Funding Rounds

$137.6m

Money raised

ExtraHop Networks is a Seattle, Washington-based cybersecurity technology company.

Location:

Key people:

6

Funding Rounds

$340.8m

Money raised

Aviatrix Systems provides technology solutions to businesses, offering a suite of networking and security services for enterprise cloud environments.

7

Funding Rounds

$321.1m

Money raised

Deep Instinct is a Tel Aviv- and New York City-based cybersecurity company that applies deep learning to cybersecurity.

Key people:

10

Funding Rounds

$568.0m

Money raised

An insurance technology company offering artificially intelligent software for insurance fraud detection and claims handling.

Location:

Key people:

8

Funding Rounds

$184.0m

Money raised

Aryaka is a San Mateo, California-based networking company offering SD-WAN and SASE solutions.

7

Funding Rounds

$184.7m

Money raised

Tessian (formerly Checkrecipient) is an artificial intelligence email security platform.

3

Funding Rounds

$13.9m

Money raised

Corsha provides API security software that aims to prevent network attacks through multi-factor authentication for APIs.

2

Funding Rounds

$6.0m

Money raised

Ananda Networks is a networking company allowing organizations to create private networks, connecting users, devices, and services across branches and remote locations.

5

Funding Rounds

$600.0m

Money raised

Wiz is a cloud security company founded in 2020 by Assaf Rappaport, Ami Luttwak, Roy Reznik, and Yinon Costica.

Location:

Key people:

5

Funding Rounds

$107.0m

Money raised

Big Switch Networks is a Santa Clara, California-based company founded in 2010.

3

Funding Rounds

$30.4m

Money raised

IoTium is a provider of secure managed software-defined network infrastructure.

7

Funding Rounds

$750.0m

Money raised

Cohesity is a company providing hyperconverged secondary storage solutions.

Key people:

3

Funding Rounds

$38.5m

Money raised

CoreStack is a Bellevue, Washington-based cloud governance software provider offering continuous and autonomous cloud governance for companies.

Key people:

4

Funding Rounds

$135.3m

Money raised

Fortanix is a Mountain View, California-based cybersecurity company developing cloud security and privacy products.

6

Funding Rounds

$557.5m

Money raised

Illumio is a cloud security company utilizing adaptive segmentation to prevent cyber threats of unauthorized communications.

Key people:

8

Funding Rounds

$144.9m

Money raised

Logz.io is an AI-powered log analysis platform that offers the open-source ELK Stack as an enterprise-grade service.

Location:

Key people:

2

Funding Rounds

$31.5m

Money raised

Opaque is a company developing a cloud-based service for secure analytics and machine learning on encrypted data.

Key people:

5

Funding Rounds

$2.5m

Money raised

A company offering a platform for privacy and security for quantum cloud computing.

Key people:

2

Funding Rounds

$83.0m

Money raised

Mimecast is a London-based cybersecurity and email management platform company founded by Neil Murray and Peter Bauer.

Location:

Key people:

3

Funding Rounds

$502.0m

Money raised

Rubrik is a cloud data management company providing recovery and application development solutions for enterprise data management.

2

Funding Rounds

$24.0m

Money raised

Company providing consultation for security standards and regulatory compliance for technology startups

Key people:

7

Funding Rounds

$134.0m

Money raised

U.S-based company providing cloud infrastructure for global software and hardware development and deployment.

4

Funding Rounds

$73.0m

Money raised

Wickr is a telecommunications and security company that builds secure communication tools, such as a messaging application. It was founded in 2012 and is located in San Francisco, California.

Key people:

6

Funding Rounds

$97.6m

Money raised

VMRay provides threat detection and analysis to enterprises.

Location:

Key people:

15

Funding Rounds

$249.8m

Money raised

Sift Science is a San Francisco-based company founded in 2011 by Brandon Ballinger.

12

Funding Rounds

$296.1m

Money raised

BigID is a cybersecurity company developing a platform for data protection and privacy compliance.

Key people:

2

Funding Rounds

$29.0m

Money raised

Confluera is a cybersecurity company that is interested in providing an autonomous detection and response platform that stops attackers from navigating personal infrastructure

7

Funding Rounds

$668.2m

Money raised

Cybereason is a Boston-based cybersecurity company.

1

Funding Rounds

$48.8m

Money raised

Kontron is a company developing embedded computing technologies (ECT) with a portfolio of solutions for secure hardware, middleware, and services for IoT and Industry 4.0 applications.

1

Funding Rounds

$6.8m

Money raised

BBT.live develops software products and provides services based on SD-WAN technology with the purpose of establishing secure communication networks.

Location:

Key people:

3

Funding Rounds

$29.5m

Money raised

Valtix was a Santa Clara, California-based developer of a cloud-based network security platform for enterprises.

9

Funding Rounds

$282.3m

Money raised

Lookout is a cybersecurity company using predictive machine intelligence to analyze data to predict and stop mobile attacks to an individual or an enterprise.

Key people:

5

Funding Rounds

$61.6m

Money raised

Talend is a software vendor specializing in big data integration founded by Bertrand Diard.

2

Funding Rounds

$80.0m

Money raised

Traceable is an API security software developed to protect application infrastructures.

5

Funding Rounds

$107.2m

Money raised

Endpoint security company acquired by Elastic in June 2019. Endgame's technology was implemented as Elastic Endpoint Security

1

Funding Rounds

$7.0m

Money raised

Bitdefender is a global cybersecurity, cloud security, and network security company.

Location:

Key people:

3

Funding Rounds

$124.0m

Money raised

A company that has created a software solution for businesses to monitor their security effectiveness. It was founded in 2011 and is located in Boston, Massachusetts.

5

Funding Rounds

$159.4m

Money raised

A cybersecurity company offering an application security platform for enterprises.

Key people:

5

Funding Rounds

$14.9m

Money raised

ClearBlade is a company developing edge computing software, which enable enterprises to rapidly engineer and run secure, real-time, scalable industrial IoT applications.

Location:

Key people:

4

Funding Rounds

$92.2m

Money raised

A cybersecurity company offering cybersecurity and security rating services.

Key people:

2

Funding Rounds

$72.0m

Money raised

AlgoSec is a Ridgefield Park, New Jersey-based developer of network security software automating security policy management and business applications and ensuring security compliance.

4

Funding Rounds

$308.0m

Money raised

A San Francisco-based company developing an email security platform for Microsoft Office 365.

5

Funding Rounds

$81.4m

Money raised

LogRhythm is a Boulder, Colorado-based cybersecurity company founded in 2003.

1

Funding Rounds

$1.0m

Money raised

An artificial intelligence company that has created software to combat astroturfing, harmful social media manipulation campaigns. It was founded in 2018 and has offices in London, England and San Francisco, California.

6

Funding Rounds

$126.0m

Money raised

AttackIQ is an enterprise cloud computing and computer security company.

Key people:

4

Funding Rounds

$52.0m

Money raised

Centrify is a company that offers Identity and Access Management and Privileged Identity Management to secure access across computer network and cloud computing environments. The company was formed in 2004. It is located in Santa Clara, California.

2

Funding Rounds

$24.8m

Money raised

A company creating software for the property and casualty insurance industries.

13

Funding Rounds

$620.3m

Money raised

Directory-as-a-Service (DaaS) company to securely connect user identities to devices, networks, apps, files, & data.

Key people:

11

Funding Rounds

$346.0m

Money raised

Circleci is a San Francisco-based integration and delivery software platform.

2

Funding Rounds

$27.7m

Money raised

Cast.ai is an AI-driven cloud optimization company based in Miami, FL.

5

Funding Rounds

$107.5m

Money raised

Synack is a Redwood City, California-based cybersecurity company developing a crowdsourced security platform.

Key people:

6

Funding Rounds

$52.1m

Money raised

Automated code review tool that helps developers save time and manage technical debt.

Location:

Key people:

4

Funding Rounds

$36.0m

Money raised

Curv, Inc. is an institutional Wallet Service powered by MPC cryptography founded in 2018 by Dan Yadlin.

5

Funding Rounds

$99.6m

Money raised

CybSafe is a cloud-based platform focussed on addressing the human component of cyber security - an intelligent approach to awareness training.

Location:

Key people:

4

Funding Rounds

$47.0m

Money raised

HyTrust specialises in security, compliance and control software for virtualization and cloud environments.

3

Funding Rounds

$202.2m

Money raised

SecurityScorecard is a CyberSecurity rating platform founded in 2013 by Sam Kassoumeh.

Key people:

8

Funding Rounds

$113.7m

Money raised

Agari is a Foster City, California-based cybersecurity company using artificial intelligence for the provision of email threat prevention and protection.

5

Funding Rounds

$131.0m

Money raised

Immersive Labs is a company founded in 2017 by James Hadley.

Location:

Key people:

2

Funding Rounds

ArQit is working to provide the world's first global quantum encryption SaaS Business. They will use QKD technology to create unique keys that can be shared between two parties using laser transmissions from a satellite. The company is based in London, England and was founded in 2017.

3

Funding Rounds

$35.5m

Money raised

Slice Labs is a company offering an on-demand insurance marketplace founded in 2015 by Tim Attia.

Key people:

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