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Series A Cyber Security Companies

Explore 398 cyber security startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
398
Total Funding
$565.2M
Avg Funding
$22.6M
Cities
21

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Bradford-on-avon, United Kingdom
$1.0M
raised

Cyberwebnic International is a well-established and respected Internet Security company specializing in Anti-Phishing solutions.

Jan 2022
Series A

Founder Contacts

41,000+ verified contacts

Dover, United States
$5.0M
raised

Making your Addiction Treatment Website 100% HIPAA Compliant and Securing 'At Rest & In Transit' PHI

Jan 2022
Series A

Founder Contacts

41,000+ verified contacts

New York, United States
$20.0M
raised

AI Agents for Product Security

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

Paris, France
$11.6M
raised

EVERTRUST helps organizations with software programs, cloud, IT infrastructure, certificate automation, and consulting services.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

Florence, Italy
$11.6M
raised

Europe's Top-Tiered Agentic AI Hacker, Mastering API Security Testing

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Kobe, Japan
$644K
raised

TelaAxon develops artificial intelligence technology for sustainable operations, enhancing human-AI coexistence, safety, and wellness.

Jan 2025
Series A

Founder Contacts

41,000+ verified contacts

Monroe, United States
$9.0M
raised

Zorus is the movement of cyber security from on-premise to the Cloud.

Dec 2021
Series A

Founder Contacts

41,000+ verified contacts

Boston, United States
$31.0M
raised

Stop Shifting left, Shift Out!

Jan 2022
Series A

Founder Contacts

41,000+ verified contacts

Paris, France
$11.3M
raised

Yogosha is a french bug bounty platform.

Jan 2022
Series A

Founder Contacts

41,000+ verified contacts

Boston, United States
$130.0M
raised

7AI provides an AI-driven cybersecurity platform that utilizes AI agents to manage the full lifecycle of security operations.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Los Altos, United States
$55.0M
raised

CYGNVS is an IT services company that provides a cyber crisis response platform designed to help organizations.

Jan 2023
Series A

Founder Contacts

41,000+ verified contacts

Arlington, United States
$1.6M
raised

Nisos is a managed intelligence and investigations firm that provides active defense technology-enabled services and products.

Dec 2022
Series A

Founder Contacts

41,000+ verified contacts

Denver, United States
$21.0M
raised

Casa helps consumers and companies securely store cryptocurrencies and manage private keys.

Dec 2021
Series A

Founder Contacts

41,000+ verified contacts

Singapore, Singapore
$20.0M
raised

World's Leading Distributed Storage Provider

Dec 2021
Series A

Founder Contacts

41,000+ verified contacts

Fort Lauderdale, United States

Foundational Model (DID) LLM, Agentic Logo System, Human Energy Grid, Blockchain, NFT Custom Logo and Facial Recognition

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Austin, United States

Veridise is a leader in blockchain security. The company offers Web3 security audits of ZKP, DeFi, Layer 1 & Layer 2s, dApps, and more.

Dec 2022
Series A

Founder Contacts

41,000+ verified contacts

Lehi, United States
$12.0M
raised

Paramify is a software platform that automates the creation, management, and maintenance of security compliance and risk documentation.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

Austin, United States
$8.8M
raised

Verisoul provides an identity verification and prevention platform to help online businesses distinguish real users from fake accounts.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

New York, United States
$35.0M
raised

Echo develops and provides container base images designed to eliminate known software vulnerabilities in cloud-native applications.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

Richmond North, Australia
$33.2M
raised

IND Technology is a data security and quality improvement.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Chicago, United States
$9.5M
raised

UncommonX offers cybersecurity protection for organizations by combining threat and intelligence software with 24/7 industry experts.

Dec 2021
Series A

Founder Contacts

41,000+ verified contacts

Wilmington, United States
$25.0M
raised

Venice is a modern Privileged Access Management platform built for today’s reality.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

Dublin, Ireland
$50.0M
raised

Argus Tactical Intelligence Platform: Unlimited data source integration, enterprise graph analysis, and flexible deployment.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$3.0M
raised

Good2Go provides secure access and virtual queuing solutions

Dec 2024
Series A

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom
$59.9M
raised

Nu Quantum focuses on developing quantum networking hardware and software to scale quantum computers for practical use.

Dec 2025
Series A

Founder Contacts

41,000+ verified contacts

Showing 326 to 350 of 398 companies

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