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Series A Cyber Security Companies

Explore 398 cyber security startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
398
Total Funding
$618.4M
Avg Funding
$24.7M
Cities
20

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Vancouver, Canada
$6.0M
raised

Hubbl Diagnostics offers Salesforce org monitoring, identifying risks and optimization opportunities.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Tel Aviv, Israel
$17.5M
raised

Lema AI is an agentic platform delivering continuous visibility and mitigation of security risks from third-party vendors.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Clinton, United States
$16.5M
raised

Calamu patented solution allows critical digital assets to be stored in the cloud with complete security.

Feb 2022
Series A

Founder Contacts

41,000+ verified contacts

Oakland, United States
$9.4M
raised

Opscura develops technological solutions that allow the encryption of information in real-time.

Feb 2023
Series A

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$80.0M
raised

Qredo is a platform that provides secure and fast movement of digital assets.

Feb 2022
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Sunnyvale, United States
$42.0M
raised

RapidFort provides software supply chain security solutions for identifying and reducing vulnerabilities in containerized applications.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Boulder, United States
$31.0M
raised

We secure small and medium sized businesses from nation state level cyberthreats.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Burlington, United States
$20.0M
raised

MaiaEdge provides federated private networking infrastructure for automated, sovereign multi-operator connectivity.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

New York, United States
$32.0M
raised

ORION is a cybersecurity company that prevents data loss by replacing policy-based enforcement with real-time contextual intelligence.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

New York, United States
$20.0M
raised

Scope provides managed detection and response to protect hospitals, clinics and large provider systems from cyber attacks.

Feb 2022
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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London, United Kingdom
$25.0M
raised

A Cyber Asset Management platform that integrates with existing security tools and systems to identify and protect every asset.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

South San Francisco, United States
$34.0M
raised

Chariot Defense is creating the advanced hardware and software framework to solve it.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

New York, United States
$56.0M
raised

Gambit Security is an AI-powered cybersecurity platform that focuses on enhancing company resilience against cyberattacks and disruptions.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Munich, Germany
$12.0M
raised

Secfix is an end-to-end security compliance platform that helps organizations manage and meet regulatory and cybersecurity standards.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Bozeman, United States
$14.0M
raised

Dreadnode provides advanced offensive AI tools utilized by red teams, researchers, and model builders globally.

Feb 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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New York, United States
$25.0M
raised

Astelia is an AI-native exposure management tool that allows enterprises to concentrate on vulnerabilities that are actually exploitable.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia
$35.4M
raised

Frankenburg Technologies is a defense technology company that develops systems for missile defense and rapid response applications.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Munich, Germany
$35.4M
raised

Advanced AI defense systems designed to protect people and critical infrastructure

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Ann Arbor, United States
$6.0M
raised

Circadian Risk provides physical security risk assessment software to reduce risk to people and critical assets.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

San Jose, United States
$25.0M
raised

Aporia is an AI Control Platform.

Feb 2022
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$42.0M
raised

Cogent Security utilizes AI agents to manage vulnerabilities by connecting scanners and prioritizing fixes.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

ViaBot develops robots for outdoor cleaning and sweeping with built-in security, transforming maintenance for commercial properties

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

San Diego, United States
$20.0M
raised

Seasats designs and manufactures small uncrewed surface vehicles (sUSVs) designed for monitoring, data collection, and defense applications.

Feb 2026
Series A

Founder Contacts

41,000+ verified contacts

Short Hills, United States
$7.3M
raised

Cranium is an AI security and trust platform that delivers security and trust to the AI revolution.

Feb 2025
Series A

Founder Contacts

41,000+ verified contacts

São Paulo, Brazil
$7.0M
raised

Tenchi Security is a cybersecurity company specializing in Third-Party Cyber Risk Management (TPCRM).

Feb 2024
Series A

Founder Contacts

41,000+ verified contacts

Showing 151 to 175 of 398 companies

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