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Seed Cyber Security Companies

Explore 255 cyber security startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
255
Total Funding
$111.7M
Avg Funding
$4.5M
Cities
19

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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

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

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

19,000+ verified contacts

Kreuztal, Germany
$838K
raised

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

Jul 2025
Seed

Founder Contacts

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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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

19,000+ 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

19,000+ verified contacts

Madrid, Spain
$4.6M
raised

Dedge Security is a cybersecurity startup securing web3 development and infrastructure.

Jun 2025
Seed

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$4.0M
raised

Unbound Security enables employees to securely utilize AI tools in their work while safeguarding company secrets.

May 2025
Seed

Founder Contacts

19,000+ verified contacts

Santa Clara, United States
$3.2M
raised

Rigor AI is an early-stage technology startup, founded by several repeat entrepreneurs.

May 2025
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Reston, United States
$3.6M
raised

Kovr.ai is an AI native cyber compliance automation platform.

May 2025
Seed

Founder Contacts

19,000+ verified contacts

Seattle, United States
$4.0M
raised

Tensor9 is an enterprise any-prem platform enabling SaaS vendors to unlock enterprise customers that can't share sensitive data.

May 2025
Seed

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$3.3M
raised

The open source auth infrastructure for B2B SaaS

May 2025
Seed

Founder Contacts

19,000+ verified contacts

New York, United States
$1.0M
raised

HackBook's cybersecurity platform secures industrial networks, and the assets connected to them.

May 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

Oviedo, Spain
$516K
raised

Revolutionizing Infrastructure with AI-driven Predictive Observability and DevOps

Apr 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
Unlimited exports
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Madrid, Spain
$4.6M
raised

AcoruAI is a cybersecurity company that develops an AI-driven platform that focuses on proactive fraud and scam prevention.

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

San Diego, United States
$7.0M
raised

Augur Security platform blocks attacks before they start, rather than waiting for them to appear.

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

New York, United States
$8.0M
raised

The Agentic AI-native continuous Web App pentesting platform

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

Dover, United States
$6.3M
raised

Keystrike provides cybersecurity services.

Apr 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

Bethesda, United States
$19.3M
raised

AuthMind is a risk intelligence platform designed to detect, protect, and prevent identity and access risks.

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
Unlimited exports
No credit card required
San Francisco, United States
$4.5M
raised

Kenzo Security operates as an agentic security platform.

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

Miami, United States
$9.0M
raised

Pillar empowers companies to build and run secure AI software by proactively identifying and mitigating risks across the entire AI lifecycle

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

Reno, United States
$3.5M
raised

Crytica Security provides solution that embodies a different approach to identifying cyber-threats.

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

Winnipeg, Canada
$1.4M
raised

GlitchSecure provides real-time continuous security testing to help companies secure their products and infrastructure.

Apr 2025
Seed

Founder Contacts

19,000+ verified contacts

Athens, Greece
$778K
raised

Cybersecurity & reliability intelligent solutions for electric vehicle supply equipment.

Apr 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

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