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Series A Cyber Security Companies

Explore 393 cyber security startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
393
Total Funding
$282.5M
Avg Funding
$11.3M
Cities
23

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Washington, United States
$12.0M
raised

Volt is a cloud based enterprise security platform.

Jul 2023
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$29.0M
raised

Venn secures remote work on any unmanaged or BYOD computer with a radically simplified and less costly solution than VDI.

Jun 2023
Series A

Founder Contacts

30,000+ verified contacts

Seattle, United States
$17.5M
raised

Stacklok creates software supply chain security-focused products and services.

May 2023
Series A

Founder Contacts

30,000+ verified contacts

Detroit, United States
$5.0M
raised

Judy Security is a cyber security company that offers cybersecurity software solutions for small and medium businesses.

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

Caesarea, Israel
$9.0M
raised

infiniDome develops GPS protection solutions defending the GPS systems of Drones, vehicles & critical infrastructure from jamming attacks

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Mountain View, United States
$12.0M
raised

Dasera is a DSPM platform that automates data security and governance controls to minimize risk across your data lifecycle.

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

Ramat Gan, Israel
$25.0M
raised

Avalor develops a data security platform for cybersecurity assets, controls, identities, vulnerabilities, bugs, and other data points.

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

aankaya, Turkey
$1.5M
raised

Beam Technology is an IT company that specializes in outsourced software testing, cybersecurity, and compliance solutions.

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

Adelaide, Australia
$19.9M
raised

Fivecast‚ÄØhelps public and private organizations explore data, uncovering actionable insights to protect global‚ÄØcommunities.

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

Herndon, United States
$20.0M
raised

Customer Identity and Access Management (CIAM) SaaS Provider

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Austin, United States
$11.5M
raised

Votiro is a cybersecurity company that offers a data security platform to protect organizations from digital threats.

Mar 2023
Series A

Founder Contacts

30,000+ verified contacts

Lewes, United States
$5.0M
raised

Right-Hand Cybersecurity is a human risk management platform.

Mar 2023
Series A

Founder Contacts

30,000+ verified contacts

Singapore, Singapore
$10.5M
raised

Transforming smart devices and systems into intelligent ones for security, energy saving and health care.

Mar 2023
Series A

Founder Contacts

30,000+ 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

30,000+ verified contacts

Raleigh, United States
$7.0M
raised

Sendmarc offers email protection from phishing attacks and email spoofing.

Feb 2023
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ 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

30,000+ verified contacts

Vienna, Austria
$5.2M
raised

SignPath provides secure, policy-based code-signing for enterprises, small teams and Open Source developers.

Jan 2025
Series A

Founder Contacts

30,000+ verified contacts

Miami, United States

Lenx is an AI-driven security company specializing in real-time threat detection and communication solutions.

Jan 2024
Series A

Founder Contacts

30,000+ verified contacts

Bradford-on-avon, United Kingdom
$1.0M
raised

Cyberwebnic International is a well-established and respected Internet Security company specializing in Anti-Phishing solutions.

Jan 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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San Francisco, United States
$12.5M
raised

Ockam builds trust between applications and data everywhere.

Jan 2022
Series A

Founder Contacts

30,000+ verified contacts

Dover, United States
$5.0M
raised

Making your Addiction Treatment Website 100% HIPAA Compliant and Securing 'At Rest & In Transit' PHI

Jan 2022
Series A

Founder Contacts

30,000+ verified contacts

Florence, Italy
$11.6M
raised

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

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$20.0M
raised

AI Agents for Product Security

Dec 2025
Series A

Founder Contacts

30,000+ 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

30,000+ verified contacts

Showing 301 to 325 of 393 companies

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393 Cyber Security Series A Startups (August 2026) — Page 13 | VCBacked