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Cyber Security Startups

Updated October 2026

Companies in the cyber security sector developing innovative solutions and technologies.

Explore 2,736 recently funded cyber security companies with verified founder contact information and fundraising data.

Total Companies
2,736
Total Funding
$1.8B
Avg Funding
$72.9M
Global Reach
5
countries

Top Cities for Cyber Security

San Francisco
New York
London
Houston
Crawford
Alpharetta

Recently Funded Companies

Export
San Francisco, United States

Rational is an AI-powered accounting firm designed to automate accounting end-to-end.

$500K raised
Sep 2026

Founder Contacts

41,000+ verified contacts

New York, United States

Cymphony is an AI-native cybersecurity platform helping enterprises identify risks, govern AI systems, and automate security operations.

$25.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

New York, United States

Cymphony is an AI-native cybersecurity platform helping enterprises identify risks, govern AI systems, and automate security operations.

$25.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

New York, United States

Cymphony is an AI-native cybersecurity platform helping enterprises identify risks, govern AI systems, and automate security operations.

$25.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

New York, United States

Cymphony is an AI-native cybersecurity platform helping enterprises identify risks, govern AI systems, and automate security operations.

$25.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

London, United Kingdom

HelmGuard develops an AI-driven trust infrastructure platform for security, compliance, and third-party risk management.

$7.3M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Houston, United States

Covenant is a global defense technology company that builds long-range precision strike weapons.

$250.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Crawford, United States

Wild West Systems is a Defense and Space Manufacturing firm developing weapon systems for the future war.

$10.2M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Alpharetta, United States

ZeroRisk develops a risk management platform that supports payment providers with cybersecurity and compliance.

$10.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Crawford, United States

Wild West Systems is a Defense and Space Manufacturing firm developing weapon systems for the future war.

$10.2M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Sheffield, United Kingdom

SCI Semiconductor is developing and commercialising next generation, cyber-secure processor devices.

$6.8M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Newark, United States

Cypherleak is a company that automates several parts of threat intelligence, information collecting, and reconnaissance.

Sep 2025

Founder Contacts

41,000+ verified contacts

Paris, France

Endpoint Security. Built on Zero Trust. Powered by AI. Ready for anything.

$3.5M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

reOrbital is the world’s first mass microgravity manufacturer.

Sep 2024

Founder Contacts

41,000+ verified contacts

Kennesaw, United States

Saltworks Security is an application security company that partners with organizations to build application security programs.

$565K raised
Sep 2024

Founder Contacts

41,000+ verified contacts

Sunnyvale, United States

Cylake develops a cybersecurity platform designed to analyze and protect enterprise infrastructure using an integrated data architecture.

$245.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Kent, United States

Stoke Space develops reusable space transportation systems to support the movement of cargo and other space assets to and from orbit.

$1.0B raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Broomfield, United States

Quantinuum is a IT firm that accelerates quantum computing and the development of applications across chemistry, cybersecurity, and finance.

$100.0M raised
Sep 2026

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Open Raven is the data security posture management company that prevents leaks, breaches, and compliance incidents.

$20.0M raised
Sep 2022

Founder Contacts

41,000+ verified contacts

Auckland, New Zealand

Authsignal is a drop-in consumer authentication platform. Uplift security & deploy passkey and authentication flows in record time.

$910K raised
Sep 2022

Founder Contacts

41,000+ verified contacts

New York, United States

The best way to send and respond to security questionnaires

$6.4M raised
Sep 2022

Founder Contacts

41,000+ verified contacts

Wilmington, United States

SaaS Alerts is a cloud security company built for MSPs to protect and monetize customer SaaS applications.

$22.0M raised
Sep 2022

Founder Contacts

41,000+ verified contacts

Toronto, Canada

Seeteria is a system manufacturing firm that develops AI utilised safety system for workplace accidents.

$300K raised
Sep 2022

Founder Contacts

41,000+ verified contacts

Weehawken, United States

TrueFort brings zero trust to application environments to detect and contain critical security risks before they impact your business.

$30.0M raised
Sep 2021

Founder Contacts

41,000+ verified contacts

New York, United States

Inpher.io is a secret computing technology for privacy-preserving machine learning and AI.

Sep 2021

Founder Contacts

41,000+ verified contacts

Showing 1 to 25 of 2,736 companies

About the Cyber Security Startup Ecosystem

The cyber security sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Cyber Security

Cyber Security companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The cyber security sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Cyber Security Funding Breakdown

Here is how funding is distributed among the 2,736 cyber security companies tracked in the VCBacked database.

Average Funding
$72.9M
Total Funding Tracked
$1.8B
Countries Represented
5

Distribution by Funding Stage

Other25 companies

Top Cities for Cyber Security

1.New York
6 companies$106.4M
2.Crawford
2 companies$20.4M
3.Los Angeles
2 companies$20.0M
4.San Francisco
1 companies$500K
5.London
1 companies$7.3M

Related Industries

Companies in the cyber security sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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