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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
$136.5M
Avg Funding
$5.5M
Cities
21

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Nashville, United States
$3.0M
raised

Scylos ZeroCore is a scalable, stateless, and secure endpoint container delivery system that makes managing distributed endpoints easier.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Çankaya, Turkey
$2.0M
raised

Gardiyan is a technology startup that focuses on integrated system security and IT operations management platforms.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Mclean, United States
$1.4M
raised

Entrokey Labs offers quantum-resistant key generation, AI entropy calculator, and secure key synchronisation services.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Antwerp, Belgium
$1.8M
raised

XFA secures devices by verifying security status at login via browser extension and apps.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Santa Barbara, United States
$18.4M
raised

Lucidean develops optical links for AI and data center networks, combining photonics with electronics to increase bandwidth and reduce power

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Albany, United States
$3.8M
raised

Cyphlens provides software for payment security, fraud prevention, and mobile-based decryption for secure transactions.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Sunnyvale, United States
$1.0M
raised

PangeAI is a Agentic, AI, Geospatial startup.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Barcelona, Spain
$7.0M
raised

Zynap automate cybersecurity with intelligence designed to outsmart the cybercrime.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Milan, Italy
$3.0M
raised

Random Power develops a random bit generator for key generation.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$15.0M
raised

Multifactor provides secure identity management with authentication, authorization, and auditing using strong cryptography.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Washington, United States
$9.0M
raised

Helmet Security builds the future of AI security.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Wardstone is a space defense-tech company developing next-generation capabilities to protect from missiles and other space-based threats.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Dayton, United States
$23.0M
raised

Niobium uses Fully Homomorphic Encryption combined with SoC Hardware Accelerators to provide completely private computation.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Veria Labs is a cybersecurity company that provides AI-powered continuous penetration testing services targeting high-stakes industries.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Velum Labs provides a firewall that redacts sensitive information in data and documents.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$500K
raised

LogosGuard is an platform that turns AI policies into executable controls and continuously monitors systems for compliance and risk.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Dublin, Ireland
$2.5M
raised

Mirror Security provides technology that allows AI systems to process encrypted data without exposing it in plain form.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Austin, United States
$5.0M
raised

Durable Security Outcomes for Demanding Enterprises

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$100K
raised

PCB Fabrication | PCB Assembly | Engineering Services

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Oslo, Norway
$4.1M
raised

Noteless offers an AI platform that turns doctor-patient talks into structured medical notes, supporting multiple specialties and languages.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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New York, United States
$3.0M
raised

Social Links develops AI-powered open-source intelligence software to help investigators and security professionals.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

New City, United States
$20.0M
raised

Opti is an AI-powered identification protection system that uses domain-trained models to automate enterprise IAM.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Draveil, France
$3.5M
raised

Rift specializes in building drone network for real-time aerial intelligence, which aims to protect borders, territories and infrastructure.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Denver, United States
$3.5M
raised

Orion is a cybersecurity company that offers AI-evolving threat intelligence for risk teams.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Zug, Switzerland
$4.5M
raised

Secure.com empowers enterprises through its advanced network security-as-a-service technology that provides military-grade encryption.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

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1,154 Cyber Security Seed Startups (November 2026) — Page 10 | VCBacked