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Series A Cyber Security Companies

Explore 142 cyber security startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
142
Total Funding
$351.3M
Avg Funding
$20.7M
Cities
16

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Recently Funded Companies

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Lewes, United States
$5.0M
raised

Right-Hand Cybersecurity is a human risk management platform.

Mar 2023
Series A

Founder Contacts

19,000+ verified contacts

Mountain View, United States
$16.0M
raised

Dope.security is a cybersecurity company that provides endpoint-based web and cloud security.

Mar 2023
Series A

Founder Contacts

19,000+ verified contacts

Raleigh, United States
$7.0M
raised

Sendmarc offers email protection from phishing attacks and email spoofing.

Feb 2023
Series A

Founder Contacts

19,000+ verified contacts

Munich, Germany
$14.0M
raised

Build38 is a provider of mobile application protection solutions for in-app shielding, in-app monitoring, and AI based in-app reaction.

Feb 2023
Series A

Founder Contacts

19,000+ verified contacts

Davie, United States
$600K
raised

Identity Credential Access Management (ICAM) SaaS delivering proactive cybersecurity solutions for government and businesses.

Jan 2023
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Florence, Italy
$11.6M
raised

Europe's Top-Tiered Agentic AI Hacker, Mastering API Security Testing

Dec 2025
Series A

Founder Contacts

19,000+ verified contacts

Paris, France
$11.6M
raised

EVERTRUST helps organizations with software programs, cloud, IT infrastructure, certificate automation, and consulting services.

Dec 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$20.0M
raised

AI Agents for Product Security

Dec 2025
Series A

Founder Contacts

19,000+ verified contacts

Boston, United States
$130.0M
raised

7AI provides an AI-driven cybersecurity platform that utilizes AI agents to manage the full lifecycle of security operations.

Dec 2025
Series A

Founder Contacts

19,000+ verified contacts

Austin, United States
$8.8M
raised

Verisoul provides an identity verification and prevention platform to help online businesses distinguish real users from fake accounts.

Dec 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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San Jose, United States
$9.0M
raised

Portal26 offers a platform that renders data immune to ransomware, cyberattacks, extortion and any data related cyber event.

Nov 2025
Series A

Founder Contacts

19,000+ verified contacts

Berlin, Germany
$9.9M
raised

NetBird is a cybersecurity company that is building an open-source platform to simplify the deployment of Virtual Private Networks.

Jan 2026
Series A

Founder Contacts

19,000+ verified contacts

Arlington, United States
$38.0M
raised

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

Nov 2025
Series A

Founder Contacts

19,000+ verified contacts

Ankara, Turkey
$8.2M
raised

End-to-end merchant management platform for acquirers, banks, and fintechs to boost revenue, reduce risk, and ensure compliance.

Nov 2025
Series A

Founder Contacts

19,000+ verified contacts

Toronto, Canada
$14.0M
raised

Feroot Security platform protects the client-side javascript code of web applications against client-side attacks and compliance violations.

Nov 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Austin, United States
$22.5M
raised

Nudge Security is a cybersecurity startup that combats cyber risks and threats faced by organizations through modern workforce.

Nov 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$25.0M
raised

Bedrock Data accelerates data security, governance, and management for all your data, at scale, so you can innovate faster.

Nov 2025
Series A

Founder Contacts

19,000+ verified contacts

Showing 126 to 142 of 142 companies

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142 Recently Funded Cyber Security Series A Startups (June 2026) | VCBacked