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Series B Security Companies

Explore 116 security startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
116
Total Funding
$1.9B
Avg Funding
$116.2M
Cities
11

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Petah Tiqva, Israel
$17.0M
raised

NsKnox Technologies is a Fintech - Security company, revolutionizing the way organizations would protect themselves.

Jan 2023
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$22.0M
raised

The connected safety platform for hospitals and health systems

Jan 2026
Series B

Founder Contacts

19,000+ 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

19,000+ 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

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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San Francisco, United States
$250.0M
raised

Upwind Security provides unified cloud and application security, using real-time visibility to identify threats and protect data integrity.

Jan 2026
Series B

Founder Contacts

19,000+ verified contacts

Torrance, United States
$350.0M
raised

Castelion is a defense tech company that applies modern hardware development and manufacturing processes to national security challenges.

Dec 2025
Series B

Founder Contacts

19,000+ verified contacts

Seoul, South Korea
$10.9M
raised

Logpresso is a SecOps platform company.

Dec 2025
Series B

Founder Contacts

19,000+ 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

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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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

19,000+ 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

19,000+ verified contacts

San Francisco, United States
$16.0M
raised

Fully autonomous, AI-powered drone security system for commercial, industrial and residential properties

Nov 2025
Series B

Founder Contacts

19,000+ 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

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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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

19,000+ verified contacts

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116 Recently Funded Security Series B Startups (June 2026) | VCBacked