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Seed Security Companies

Explore 406 security startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
406
Total Funding
$91.4M
Avg Funding
$3.7M
Cities
13

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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

19,000+ 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

19,000+ 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

19,000+ 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

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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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

19,000+ 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

19,000+ 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

19,000+ 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

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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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

19,000+ verified contacts

Lodz, Poland
$467K
raised

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

Aug 2025
Seed

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$4.0M
raised

Innerworks is building an immune system for the internet.

Aug 2025
Seed

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$3.4M
raised

Build powerful, safe, interconnected AI agents without the technical overhead.

Aug 2025
Pre-Seed

Founder Contacts

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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Montgomery Village, United States
$500K
raised

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

Aug 2025
Seed

Founder Contacts

19,000+ 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

19,000+ 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

19,000+ verified contacts

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

19,000+ verified contacts

Kitchener, Canada
$3.6M
raised

Simplified Data Protection and Attack Surface Management

Jul 2025
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
Unlimited exports
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Milano, Italy
$7.0M
raised

The Digital Risk Intelligence Platform

Jul 2025
Seed

Founder Contacts

19,000+ 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

19,000+ verified contacts

San Francisco, United States
$5.2M
raised

StrongestLayer is an AI-based cybersecurity platform mainly for email security and human risk mitigation.

Jul 2025
Seed

Founder Contacts

19,000+ 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

19,000+ 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

19,000+ verified contacts

Showing 51 to 75 of 406 companies

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406 Recently Funded Security Seed Startups (June 2026) | VCBacked