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Seed Cyber Security Companies

Explore 1,154 cyber security startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
1,154
Total Funding
$91.7M
Avg Funding
$3.7M
Cities
21

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Sheffield, United Kingdom
$6.8M
raised

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

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

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

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$7.3M
raised

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

Sep 2026
Seed

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
Seed

Founder Contacts

41,000+ verified contacts

Paris, France
$3.5M
raised

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

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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New York, United States
$6.4M
raised

The best way to send and respond to security questionnaires

Sep 2022
Seed

Founder Contacts

41,000+ verified contacts

Auckland, New Zealand
$910K
raised

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

Sep 2022
Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$300K
raised

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

Sep 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Greenwood, United States
$880K
raised

Humera offers AI CAPTCHA and bot detection tools that reduce user disruption during online verification.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$500K
raised

IvyCheck is a AI driven cybersecurity company that offers enterprise teams a tool for extracting hidden insights from data.

Sep 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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El Segundo, United States
$225K
raised

CUJO is an AI platform offering SaaS solutions to telecom operators and gateway manufacturers.

Sep 2022
Seed

Founder Contacts

41,000+ verified contacts

Wilmington, United States
$1.0M
raised

Kondukto designs a platform for application security testing that provides a centralized, and automated vulnerability management procedure.

Sep 2022
Seed

Founder Contacts

41,000+ verified contacts

Morrisville, United States
$1.0M
raised

Archaius develops a patented field and phase technology to deliver Assured Positioning, Navigation, and Timing.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

Philadelphia, United States
$200K
raised

Honeycake is a cybersecurity company that offers an AI proof file security platform.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$699K
raised

AI Lab for Defence and National Security

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Cali, Colombia
$250K
raised

Vecindapp develops advanced technology and digital transformation solutions with integrated features for the property managment.

Sep 2023
Seed

Founder Contacts

41,000+ verified contacts

Hürth, Germany
$1.2M
raised

Skylance develops close-range counter-drone defense systems and missile launch platforms.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

Washougal, United States
$25.0M
raised

Resect AI catches enterprise AI hallucinations in real time. Operating in stream, its technology modifies model behavior to ensure accuracy.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

Oakville, Canada
$200K
raised

AE SPACE is a deep-tech engineering company developing experimental navigation, propulsion, and energy systems based on quantum vacuum.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Salt Lake City, United States
$1.5M
raised

SaaS Cryptographic Asset Discovery & Inventory (CADI) platform

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$5.6M
raised

Reinventing knowledge work in your browser

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$326K
raised

Simplified digital life for the household. The first password-less password manager for everyday internet users.

Sep 2022
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, Spain
$11.8M
raised

Blowfish detects and prevents fraud before any fraud occurs.

Sep 2022
Seed

Founder Contacts

41,000+ verified contacts

Alexandria, United States
$250K
raised

OffWeGo is a mobile tool that teaches safer travel habits to frequent, risky travelers through behavioral science and gamification.

Sep 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Milan, Italy
$15.4M
raised

Complaion is a compliance technology company that provides software services for regulatory compliance and management system certifications.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

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