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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
$80.1M
Avg Funding
$3.2M
Cities
17

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San Francisco, United States
$4.7M
raised

Pangolin provides an open-source gateway for secure access to internal applications with user-based permissions.

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

Attikí, Greece
$3.3M
raised

Mind The Hack is a cybersecurity platform that provides automated network penetration testing with custom workflows.

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

Rennes, France
$1.8M
raised

Skyld is an AI security company that builds network security systems using artificial intelligence and machine learning.

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

San Jose, United States
$5.0M
raised

Universal Schema Intelligence layer for machine communication

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$5.6M
raised

Reinventing knowledge work in your browser

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Salt Lake City, United States
$1.5M
raised

SaaS Cryptographic Asset Discovery & Inventory (CADI) platform

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$5.0M
raised

ZeroPath is a Computer and Network Security firm that discover and fix exploitable software vulnerabilities.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Mclean, United States
$2.8M
raised

Capital Defense Technologies offers a defense AI tech platform for advanced military threats.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$6.7M
raised

revel8 stops GenAI social engineering with real-time, personalized simulations across email, SMS, voice & video deepfakes

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Chicago, United States
$2.6M
raised

SafeHill is a cybersecurity company that offers threat exposure management, penetration testing, and cyber risk solutions.

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Austin, United States
$1.3M
raised

Lifeguard provides AI-powered digital safety solutions to help consumers and their families avoid online scams and fraud.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$3.5M
raised

Mycroft is the Agentic AI Security and Compliance Officer, it's your CISO, GRC, and IT Ops rolled into one.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$5.0M
raised

Unit 221b is an online cyber security firm focusing on providing its clients with all the tools necessary to prevent cyber hacks.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$6.0M
raised

Perseus Defense produces counter-drone systems for the Department of Defense and homeland security.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$10.4M
raised

Noble Mobile is a telecommunication company that offers wireless network and data plan services.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Lewes, United States
$5.5M
raised

Scalekit is the Auth Stack for AI Apps - Authentication and actions layer for the agentic era.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Milano, Italy
$3.5M
raised

PPK Innovation is a buildup company creating a collective ecosystem of SaaS B2B solutions for mid-sized enterprises.

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

AngtID provides Identity and Access Management (IAM+) for Gen AI Agent Builders

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$2.7M
raised

Miru is a cybersecurity company that provides AI tools to perform cybersecurity, trust and safety, and national security investigations.

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Leusden, The Netherlands
$585K
raised

Passguard is a Software Development firm offering Data Security from infostealers on dark web data.

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Tokyo, Japan
$679K
raised

Straya is a technology company focusing on the security industry that offers digital transformation solutions.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Riverbank Security delivers autonomous AI‚Äëdriven penetration testing and offensive security, combining AI agents with expert red teamers.

Sep 2025
Pre-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

Vancouver, Canada
$500K
raised

OnDeck AI is a Software Development firm offering next generation visual intelligence for security services and government.

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Alter is a Software Development firm offering a secure transfer platform for workflow.

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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