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Series B Cyber Security Companies

Explore 204 cyber security startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
204
Total Funding
$1.6B
Avg Funding
$64.3M
Cities
21

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Lexington, United States
$25.0M
raised

VulnCheck provides vulnerability intelligence and exploit monitoring services for security teams.

Feb 2026
Series B

Founder Contacts

41,000+ verified contacts

Brooklyn, United States
$40.0M
raised

Outtake is a digital trust platform automating threat classification, detection, and response to enhance enterprise cybersecurity measures.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

Ghent, Belgium
$60.0M
raised

Aikido Security offers a platform for securing code, cloud, and runtime environments, streamlining vulnerability management for developers.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

Singapore, Singapore
$10.0M
raised

CloudSEK is a predictive cyber threat intelligence platform that identifies and forecasts AI-driven attack sequences before they emerge.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

Colorado Springs, United States
$136.0M
raised

Defense Unicorns is a software startup that provides open-source software and AI capabilities for national security systems.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$22.0M
raised

The connected safety platform for hospitals and health systems

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

El Segundo, United States
$100.0M
raised

Cambium specializes in advanced materials for defense and aerospace, focusing on AI-driven designs and agile manufacturing practices.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

New York, United States
$81.0M
raised

Adaptive Security provides training and phishing simulations to help organizations strengthen human defenses against evolving cyber threats.

Dec 2025
Series B

Founder Contacts

41,000+ verified contacts

Seoul, South Korea
$10.9M
raised

Logpresso is a SecOps platform company.

Dec 2025
Series B

Founder Contacts

41,000+ verified contacts

El Segundo, United States
$700.0M
raised

Saviynt offers an AI-based identity security platform that secures and governs all types of identities across digital ecosystems.

Dec 2025
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Jose, United States

AnChain.AI : AI-Powered Blockchain Risk, AML, and Investigation Platform Trusted by Regulators and Enterprises

Dec 2025
Series B

Founder Contacts

41,000+ verified contacts

New York, United States
$34.0M
raised

Apono is a permission management platform that automates and simplifies the granting of permissions across cloud environments.

Nov 2025
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$25.0M
raised

Truffle Security is an open source cybersecurity company that offers solutions for finding and remediating leaked software credentials.

Nov 2025
Series B

Founder Contacts

41,000+ verified contacts

Tokyo, Japan
$7.8M
raised

SecureNavi is an IT company that provides software development and automation tools for information security management systems.

Nov 2025
Series B

Founder Contacts

41,000+ verified contacts

Portland, United States
$79.0M
raised

ConductorOne is an AI-native identity security platform that enables organizations to manage human, non-human, and AI identities.

Oct 2025
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Aarhus, Denmark
$35.0M
raised

Formalize delivers a cloud-based compliance operations platform designed for governance, risk, and control workflows.

Oct 2025
Series B

Founder Contacts

41,000+ verified contacts

Augusta, United States
$26.0M
raised

Conceal offers a browser-native security platform that embeds zero-trust controls and policy enforcement directly into web browsers.

Oct 2025
Series B

Founder Contacts

41,000+ verified contacts

Mill Valley, United States
$33.0M
raised

Basis Theory provides a programmable vault and API platform for tokenizing, routing, and securing sensitive data throughout its lifecycle.

Oct 2025
Series B

Founder Contacts

41,000+ verified contacts

Sanford, United States
$20.0M
raised

Hoverfly Technologies designs and manufactures tethered drone systems that support defense and security operations.

Oct 2025
Series B

Founder Contacts

41,000+ verified contacts

Reston, United States
$10.0M
raised

Silent Push is a detection-focused threat intelligence solution that identifies and protects organizations against new threats.

Sep 2025
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$16.1M
raised

Clear Skye delivers a complete Identity and Access Governance solution providing employee lifecycle automation and business intelligence.

Sep 2025
Series B

Founder Contacts

41,000+ verified contacts

Somerset, United States
$47.0M
raised

1Kosmos provides a unified identity verification and passwordless authentication platform.

Aug 2025
Series B

Founder Contacts

41,000+ verified contacts

Philadelphia, United States
$18.9M
raised

FORT Robotics is a safety and security platform designed to secure autonomous machines from cybersecurity attacks.

Aug 2025
Series B

Founder Contacts

41,000+ verified contacts

Austin, United States
$50.0M
raised

BlinkOps delivers an AI-powered platform for automating security workflows.

Jul 2025
Series B

Founder Contacts

41,000+ verified contacts

Carlsbad, United States
$21.0M
raised

GigaIO develops high performance interconnect memory fabric solutions for computing clusters.

Jul 2025
Series B

Founder Contacts

41,000+ verified contacts

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204 Cyber Security Series B Startups (October 2026) — Page 2 | VCBacked