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Seed Cyber Security Companies

Explore 1,127 cyber security startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
1,127
Total Funding
$107.2M
Avg Funding
$4.3M
Cities
19

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$6.9M
raised

Skygate Technologies is a developer of a defense platform and provides cyber security and information management services.

Jun 2025
Seed

Founder Contacts

41,000+ verified contacts

Prague, Czech Republic
$1.2M
raised

Ackee Blockchain is a blockchain security company engaged in designing, developing, and auditing custom blockchain solutions.

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$3.5M
raised

Repacket makes browsing the internet secure. We detect and block threats before employees can make mistakes.

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

Mountain View, United States
$9.5M
raised

Bonfy.AI is a software company that allows users to secure from cybersecurity threats, privacy violations, and regulatory compliance issues.

Jun 2025
Seed

Founder Contacts

41,000+ verified contacts

Paris, France
$1.1M
raised

BonjourCyber has developed a tool that closes the main hacker entry points in order to protect them.

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$14.0M
raised

Helicon Industries is a developer of advanced composite manufacturing systems for aerospace, defense, and marine applications.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$324K
raised

AI Driven Human Risk Management, SaaS, AI, Cyber Security

Jun 2025
Seed

Founder Contacts

41,000+ verified contacts

Singapore, Singapore
$500K
raised

Tibo creates cybersecurity tools to avoid data leaks when AI is used.

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

Cambridge, United States
$5.0M
raised

Critical infrastructure cybersecurity, Ceritas leverages HBOM/DBOM technology to map OT/ICS components and their vulnerabilities

Jun 2022
Seed

Founder Contacts

41,000+ verified contacts

Lund, Sweden
$534K
raised

Waveium develops an API-based cloud platform for instant wireless design simulations and validation.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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New York, United States
$3.2M
raised

QuickSecure is a safety and operations company that offers a platform to monitor and mitigate security risks at K-12 schools.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Better Auth provides tools for developers to simplify how developers manage user authentication.

Jun 2025
Seed

Founder Contacts

41,000+ verified contacts

Colombes, France
$250K
raised

Sesame Technology develops access control devices.

Jun 2022
Seed

Founder Contacts

41,000+ verified contacts

Izmir, Turkey

Syntonym is a generative AI privacy tech startup specializing in pioneering synthetic face generation technology.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

Lyon, France
$1.6M
raised

Conformitee offers pooling services for the banking regulatory file.

Jun 2022
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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São Paulo, Brazil
$477K
raised

EcoTrust introduces an innovative CAASM platform that redefines cybersecurity by focusing on prioritizing critical business risks.

Jun 2022
Seed

Founder Contacts

41,000+ verified contacts

Malmö, Sweden
$5.2M
raised

Oplane is a cybersecurity startup specializes in AI-powered automated threat modeling for software development teams.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

Malmö, Sweden
$5.2M
raised

Oplane is a cybersecurity startup specializes in AI-powered automated threat modeling for software development teams.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$10.0M
raised

Build powerful, safe, interconnected AI agents without the technical overhead.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

Malmö, Sweden
$5.2M
raised

Oplane is a cybersecurity startup specializes in AI-powered automated threat modeling for software development teams.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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New York, United States
$10.0M
raised

The Compliance Firewall for AI

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

Malmö, Sweden
$5.2M
raised

Oplane is a cybersecurity startup specializes in AI-powered automated threat modeling for software development teams.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

Sydney, Australia
$662K
raised

Citadel.run is a cloud security and compliance platform for the AWS ecosystem.

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

Miami, United States
$13.2M
raised

Lera Investment Technologies renders cloud computing, vendor management, network security, data storage, and managed IT services.

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

Madrid, Spain
$4.4M
raised

Security on Autopilot. From Code to Cloud

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

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