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Seed Cyber Security Companies

Explore 1,120 cyber security startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
1,120
Total Funding
$128.7M
Avg Funding
$5.1M
Cities
18

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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

30,000+ verified contacts

San Francisco, United States

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

Jun 2025
Seed

Founder Contacts

30,000+ verified contacts

Colombes, France
$250K
raised

Sesame Technology develops access control devices.

Jun 2022
Seed

Founder Contacts

30,000+ verified contacts

Izmir, Turkey

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

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

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

30,000+ verified contacts

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30,000+ verified emails
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Lyon, France
$1.6M
raised

Conformitee offers pooling services for the banking regulatory file.

Jun 2022
Seed

Founder Contacts

30,000+ verified contacts

New York, United States
$10.0M
raised

The Compliance Firewall for AI

Jun 2026
Seed

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

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30,000+ verified emails
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London, United Kingdom
$10.0M
raised

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

Jun 2026
Seed

Founder Contacts

30,000+ 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

30,000+ verified contacts

Sydney, Australia
$662K
raised

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

Jun 2023
Seed

Founder Contacts

30,000+ 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

30,000+ verified contacts

Madrid, Spain
$4.4M
raised

Security on Autopilot. From Code to Cloud

Jun 2023
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Milano, Italy
$876K
raised

Cybersecurity, Cyber Risk, Cyber Rating

Jun 2023
Seed

Founder Contacts

30,000+ verified contacts

Cupertino, United States
$500K
raised

Zenarmor is a portable, instant SASE platform that secures networks and devices anywhere.

Jun 2022
Seed

Founder Contacts

30,000+ verified contacts

Eindhoven, The Netherlands
$2.5M
raised

LiveDrop is a protocol designed for secure offline communication on Windows, iOS, and Android devices.

Jun 2025
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Tolmo is an AI security platform that secures every layer of cloud applications, from code to cloud

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

Barcelona, Spain
$19.9M
raised

NeuralTrust offers cybersecurity solutions designed to protect AI Agents and applications from attacks, hallucinations, and data leakages.

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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New York, United States
$6.0M
raised

Tenet Security is a cybersecurity company focused on securing autonomous AI agents.

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

Murcia, Spain
$22.5M
raised

Quantix EdgeS is the design and customization center for high-performance cybersecurity chips.

Jun 2025
Seed

Founder Contacts

30,000+ verified contacts

Sandyford, Ireland
$1.7M
raised

Mesh is a platform for email security created specifically for managed service providers, enabling them to deploy and safeguard.

Jun 2023
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$10.0M
raised

Magnitude is an autonomous AI workforce platform that offers third-party cyber risk management services.

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

Elk Grove Village, United States

Maquoketa Research develops autonomous attack drones, guidance software, and control systems for defense applications.

Jun 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Showing 201 to 225 of 1,120 companies

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1,120 Cyber Security Seed Startups (August 2026) — Page 9 | VCBacked