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Seed Cyber Security Companies

Explore 1,127 cyber security startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
1,127
Total Funding
$114.2M
Avg Funding
$4.6M
Cities
15

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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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ verified contacts

New York, United States
$6.0M
raised

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

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ 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

41,000+ 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

41,000+ verified contacts

San Francisco, United States
$500K
raised

Atrisa is a B2B SaaS platform that develops tools for securing AI models and automating analog circuit design workflows.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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New York, United States
$25.0M
raised

The Underground Is Ours.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Incandor develops behavioral intelligence software and APIs for fraud detection on digital financial platforms.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Incandor develops behavioral intelligence software and APIs for fraud detection on digital financial platforms.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Silmaril secures enterprise generative AI tools by deploying automated, real-time firewalls to stop complex prompt injection attacks.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Clawvisor provides a credential-vaulting gateway and authorization layer for AI agents accessing external services.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States

smol machines provides tools to build, run, and package portable hardware-isolated Linux virtual machines for software development.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

Bilbao, Spain
$1.2M
raised

Steryon AI platform helps security personnel gain real control over risks, develop mitigation strategies, and ensure regulatory compliance.

Jun 2025
Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$500K
raised

GhostEye is a Network Security firm offering AI based cybersecurity software for their users.

Jun 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Denver, United States

Bunkyr provides hardware API for companies to protect their user's data.

Jun 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

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

Pinta AI provides an AI security platform that monitors agents and MCP workflows to detect risks and enforce governance.

Jun 2026
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

We discover and secure shadow identities with AI

Jun 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Suwanee, United States

Breach is an insurance company that develops, underwrites, and distributes insurance solutions for the digital asset marketplace.

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

Orléans, France
$1.7M
raised

Sensivic developed an audio detection system.

Jun 2022
Seed

Founder Contacts

41,000+ verified contacts

Bishops Stortford, United Kingdom
$1.5M
raised

Revolutionizing Mortgage Lending with Cloud-Native Technology for Faster, Smarter Decisions.

Jun 2022
Seed

Founder Contacts

41,000+ verified contacts

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