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Series A Security Companies

Explore 209 security startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
209
Total Funding
$367.8M
Avg Funding
$14.7M
Cities
21

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Recently Funded Companies

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Washington, United States
$10.0M
raised

Tidal Cyber maps adversary behavior to a security stack using a threat-led defense platform.

Sep 2025
Series A

Founder Contacts

19,000+ verified contacts

Medellín, Colombia
$18.0M
raised

Somos Internet is a network and telecommunications startup that provides latest generation internet with a fast, secure, stable connection.

Aug 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$10.0M
raised

Reach Security is the defensive posture management company helping organizations deliver.

Jul 2025
Series A

Founder Contacts

19,000+ verified contacts

Wilmington, United States
$13.0M
raised

Seal Security provides security operations.

Jul 2025
Series A

Founder Contacts

19,000+ verified contacts

Palo Alto, United States
$40.0M
raised

Lumana is a AI-powered video surveillance and safety technology that provides unparalleled visibility in any area.

Jul 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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London, United Kingdom
$4.7M
raised

DynaRisk provides cyber security tools for home users and businesses.

Jul 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$13.5M
raised

Zip Security delivers an AI-driven cybersecurity and compliance platform for security and IT automation for small and mid-sized enterprises.

Jul 2025
Series A

Founder Contacts

19,000+ verified contacts

Dallas, United States
$17.0M
raised

AI-powered data pipeline for security and telemetry data that automates, optimizes, and enriches enterprise-scale data for analytics and AI

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$10.0M
raised

Qunnect is a spin-off venture company enabling the quantum internet for quantum repeater operation.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$25.0M
raised

Maze a platform that uses AI agents to investigate and resolve cloud security vulnerabilities.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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San Francisco, United States
$16.0M
raised

Infisical is an open-source secrets manager that secures and syncs app configs and credentials across teams with end-to-end encryption.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$12.0M
raised

Impart Security is a complete API security platform designed to enable security and development teams to protect their APIs.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

Seattle, United States
$30.0M
raised

MIND is a cybersecurity company that offers a data security platform to automate data loss prevention and insider risk management programs.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

Berlin, Germany
$13.7M
raised

Baobab is a cyber insurance company protecting organizations against cyber threats using technology, knowledge, and insurance.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

Brooklyn, United States
$12.0M
raised

Compyl is a provider of automated security and compliance solutions for business acceleration and security activities.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Las Vegas, United States
$25.0M
raised

Trustifi is a software-as-a-service (SaaS) company offering a patented email encryption, tracking and patented email postmarking service.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

Saint-mande, France
$4.9M
raised

Dastra is an information and technology service.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

San Rafael, United States
$1.0M
raised

Bright Security is an AI -powered application security platform that integrates application security into SDLC.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

Austin, United States
$9.0M
raised

Clarity Security is an IGA platform that eliminate the need for employees to become SMEs in every facet of a company's tech stack.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

Ashburn, United States
$15.0M
raised

BreachRx is an intelligent incident response platform that generates tailored response plans and provides targeted guidance to stakeholders.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Tempe, United States
$17.0M
raised

Solestial exists to deliver abundant energy in space.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

Reston, United States
$13.0M
raised

ClearVector is an identity-driven cloud security company providing organizations with tools to fight cyber attackers.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

San Jose, United States
$20.0M
raised

Theom provides an AI-native data operations center platform to discover, track, and protect enterprise data in cloud environments.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

Oslo, Norway
$7.0M
raised

Pistachio is an AI cybersecurity awareness training platform that offers users preparation and response to cybersecurity threats.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

Tel Aviv, Israel
$11.0M
raised

LayerX is a provider of a browser security platform that turns any browser into a secure and manageable workspace.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

Showing 51 to 75 of 209 companies

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