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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
$82.7M
Avg Funding
$3.3M
Cities
15

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New York, United States
$6.0M
raised

Cyber A.I. Group specializes in cybersecurity, utilizing artificial intelligence for enhanced security measures.

Oct 2025
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$4.2M
raised

SubImage provides cloud mapping for security teams, offering visibility and risk reduction through Cartography's open-source tech.

Oct 2025
Seed

Founder Contacts

30,000+ verified contacts

New Rochelle, United States
$1.7M
raised

NROC Security is a cybersecurity company that offers governance and guardrails for GenAI technology.

Oct 2025
Seed

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia
$1.5M
raised

eID Easy is a SaaS B2B marketplace of Qualified Electronic Signatures (QES) and electronic identity

Oct 2025
Seed

Founder Contacts

30,000+ verified contacts

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

30,000+ verified contacts

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30,000+ verified emails
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San Jose, United States
$5.0M
raised

Universal Schema Intelligence layer for machine communication

Oct 2025
Seed

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

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

30,000+ 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

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ 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

30,000+ verified contacts

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

30,000+ 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

30,000+ 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

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

San Francisco, United States
$10.0M
raised

Aurelius Systems is a defense and space manufacturing firm developing autonomous laser systems for counter drone defense.

Sep 2025
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Lodz, Poland
$467K
raised

1Security is AI-native permission manager for Microsoft 365 organizations.

Aug 2025
Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$4.0M
raised

Innerworks is building an immune system for the internet.

Aug 2025
Seed

Founder Contacts

30,000+ verified contacts

Miami, United States
$830K
raised

3rd-i enhances personal safety, allowing users to live stream to trusted contacts, track friends on a map.

Aug 2025
Seed

Founder Contacts

30,000+ verified contacts

Montgomery Village, United States
$500K
raised

Fulcrum creates a more secure world through innovative and sustainable solutions.

Aug 2025
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$2.6M
raised

Compliance automation made easy. Open source alternative to Drata & Vanta.

Jul 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

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1,120 Cyber Security Seed Startups (August 2026) — Page 22 | VCBacked