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Series B Cyber Security Companies

Explore 206 cyber security startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
206
Total Funding
$1.2B
Avg Funding
$49.0M
Cities
22

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San Jose, United States
$20.0M
raised

Revelstoke is a low-code, high-speed security orchestration, automation, and response platform.

Mar 2023
Series B

Founder Contacts

30,000+ verified contacts

Dublin, Ireland
$25.0M
raised

Evervault builds encryption infrastructure for developers.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

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

30,000+ verified contacts

New York, United States

Linx Security provides Identity Security solution for the modern enterprises.

Mar 2026
Series B

Founder Contacts

30,000+ 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

30,000+ verified contacts

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30,000+ verified emails
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Glendale, United States
$20.5M
raised

Britive delivers complete privileged access protection for the cloud.

Mar 2023
Series B

Founder Contacts

30,000+ verified contacts

Santa Barbara, United States
$50.0M
raised

Theta Lake is a pioneer in Digital Communications Governance and Archiving with cutting-edge compliance, governance, and supervision

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

Tulsa, United States
$100.0M
raised

TokenEx is a data security company that offers a cloud security platform to stop data theft.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

Columbus, United States
$20.0M
raised

Finite State is a cybersecurity company that specializes in providing software risk management solutions.

Mar 2024
Series B

Founder Contacts

30,000+ verified contacts

New York, United States
$20.0M
raised

AppViewX is a certificate lifecycle management and network automation company.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Pittsburgh, United States
$21.0M
raised

ForAllSecure is a software company that provides autonomous application security solutions for continuous security.

Mar 2022
Series B

Founder Contacts

30,000+ 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

30,000+ verified contacts

Singapore, Singapore
$12.0M
raised

Igloocompany is a secure access management platform for smart infrastructure and properties.

Mar 2022
Series B

Founder Contacts

30,000+ 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

30,000+ verified contacts

San Francisco, United States
$56.0M
raised

Secureframe is a provider of security and compliance software services.

Feb 2022
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Boise, United States
$70.0M
raised

PlexTrac is a cybersecurity platform.

Feb 2022
Series B

Founder Contacts

30,000+ verified contacts

Summertown, United Kingdom
$21.7M
raised

Mind Foundry is an Oxford University company that has developed an AI platform to solve the world's most important problems.

Feb 2023
Series B

Founder Contacts

30,000+ verified contacts

Brno, Czech Republic
$13.9M
raised

Whalebone provides zero-disruption DNS-based cybersecurity to Telcos, ISPs, critical-infrastructure enterprises, and GOV/Public sectors.

Feb 2025
Series B

Founder Contacts

30,000+ verified contacts

Lexington, United States
$25.0M
raised

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

Feb 2026
Series B

Founder Contacts

30,000+ verified contacts

Altamonte Springs, United States
$30.0M
raised

Reco is a dynamic SaaS security company that specializes in monitoring and securing cloud applications.

Feb 2026
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ 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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

Showing 51 to 75 of 206 companies

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206 Cyber Security Series B Startups (August 2026) — Page 3 | VCBacked