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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
$1.8B
Avg Funding
$72.7M
Cities
18

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Altamonte Springs, United States
$55.0M
raised

Reco is a SaaS security platform that secures AI agents, applications, identities, and workflows.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Arlington, United States
$100.0M
raised

Quartermaster AI develops maritime technology designed to improve ocean awareness and vessel safety.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Seattle, United States
$72.0M
raised

MIND is a cybersecurity company that offers an AI-native data loss prevention (DLP) platform that is simple, autonomous and complete.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Lyon, France
$18.5M
raised

Hackuity provides a cybersecurity platform for identifying, prioritizing, and managing vulnerabilities.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

New York, United States
$25.0M
raised

One Footprint is an AI-native platform for digital identity verification, compliance, and secure data vaulting.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Austin, United States
$100.0M
raised

HiddenLayer offers a security platform built to protect artificial intelligence models and automated workflows from targeted cyber threats.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Austin, United States
$61.0M
raised

Smack Technologies develops domain-specific AI models and decision-making systems for national security and military applications.

Aug 2026
Series B

Founder Contacts

41,000+ verified contacts

Dallas, United States
$40.0M
raised

DataBahn is an AI-powered data pipeline management tool that automates and enriches telemetry data with AI-enabled precision.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

Wilmington, United States
$113.0M
raised

Onyx Security provides cybersecurity software that monitors and manages risks in artificial intelligence and machine learning systems.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

Palo Alto, United States
$100.0M
raised

Glow is an AI-powered endpoint security company.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Arlington, United States
$30.0M
raised

Twenty Technologies builds cyber warfare software to automate and accelerate offensive cyber operations.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$32.5M
raised

Risk Ledger is a vendor risk management platform that helps improve the security of the global supply chain ecosystem.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$174.5M
raised

Kraken Technology Group develops autonomous maritime platforms and systems for defense, security, and critical infrastructure applications.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$50.0M
raised

Patronus AI develops simulation research and infrastructure to accelerate progress toward human-aligned AGI.

Jun 2026
Series B

Founder Contacts

41,000+ verified contacts

Sunnyvale, United States
$35.0M
raised

Coram AI develops a video intelligence platform to provide businesses with insights into daily operations.

Jun 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Jose, United States
$125.0M
raised

Exaforce is a cybersecurity company that develops an agentic security operations and modern SIEM platform for enterprise environments.

May 2026
Series B

Founder Contacts

41,000+ verified contacts

San Antonio, United States
$30.0M
raised

Darkhive develops autonomous robotics systems focused on small unmanned aircraft used for defense and public safety applications.

May 2026
Series B

Founder Contacts

41,000+ verified contacts

San Antonio, United States
$30.0M
raised

Darkhive Inc. develops autonomous uncrewed aircraft systems, defense software, and tactical drones for military and public safety missions.

May 2026
Series B

Founder Contacts

41,000+ verified contacts

Cupertino, United States
$50.0M
raised

Alcatraz is an AI company that leverages the enterprise access control environment by enabling touchless and secure entry.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$80.0M
raised

depthfirst develops an AI-powered security platform for detecting, triaging, and remediating software vulnerabilities.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Sarasota, United States
$250.0M
raised

TENEX.AI is The AI SOC Company. The leading MDR provider built from the ground up around AI by people who have built and led services before

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

New York, United States

Linx Security provides Identity Security solution for the modern enterprises.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

New York, United States
$120.0M
raised

Oasis is a non-human identity management platform that aims to give visibility and risk assessment.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

Dublin, Ireland
$25.0M
raised

Evervault builds encryption infrastructure for developers.

Mar 2026
Series B

Founder Contacts

41,000+ verified contacts

Livermore, United States
$100.0M
raised

Aalyria is an advanced aerospace communications company that provides high-throughput networks for both commercial and government clients.

Feb 2026
Series B

Founder Contacts

41,000+ verified contacts

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