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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
$81.2M
Avg Funding
$3.2M
Cities
16

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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

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

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

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

Lodz, Poland
$467K
raised

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

Aug 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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London, United Kingdom
$4.0M
raised

Innerworks is building an immune system for the internet.

Aug 2025
Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

Montgomery Village, United States
$500K
raised

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

Aug 2025
Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

Austin, United States
$10.0M
raised

Command Zero is an autonomous and AI-assisted cyber investigation platform that transforms security operations in complex environments.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Austin, United States
$7.0M
raised

RunReveal is a security data platform designed to be the all in one solution for your security logs

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Kitchener, Canada
$3.6M
raised

Simplified Data Protection and Attack Surface Management

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Milano, Italy
$7.0M
raised

The Digital Risk Intelligence Platform

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$4.3M
raised

Maro is revolutionizing the way in which enterprises manage human risk in cybersecurity.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Valencia, Spain
$3.8M
raised

Internxt is an open-source cloud storage service that focuses on user privacy and security.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Amsterdam, The Netherlands
$1.9M
raised

Whisper is a cybersecurity startup to address the growing complexity of online threats with an innovative, data-driven approach.

Jul 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$336K
raised

AVIEL Intelligence provides a proactive, AI-driven solution to prevent customers from making payments to scammers.

Jul 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Menlo Park, United States
$10.5M
raised

AirMDR uses an AI-powered virtual security analyst for investigating threats, triaging incidents, and executing responses.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Kreuztal, Germany
$838K
raised

DEFENDERBOX is a compact, easy-to-install cybersecurity and automated penetration testing solution.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$5.0M
raised

Pimloc's deep learning SaaS platform, Secure Redact, enables public and private organisations to protect personal data in video at scale.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Provo, United States
$1.2M
raised

SWORN is an AI-optimized readiness and resilience solution for first responders.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

San Jose, United States
$3.0M
raised

PRE Security is an AI-driven cybersecurity company that offers a comprehensive SecOps platform designed to predict and prevent cyberattacks.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$1.4M
raised

Privasee automatically generates and updates your GDPR documents and cookie banner if anything changes in your business or the law.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$3.6M
raised

Securing Terraform deployments

Jun 2025
Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$5.0M
raised

SOON designs and develops a high-performance rollup stack powered by decoupled SVM across L2 to be deployed on any L1.

Jun 2025
Seed

Founder Contacts

41,000+ verified contacts

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