Skip to main content

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
$372.0M
Avg Funding
$14.9M
Cities
16

Export 393 Series A Cyber Security Companies

Get founder emails, funding data, and company details in one CSV

Start Free Trial

Recently Funded Companies

Export
Boston, United States
$28.0M
raised

OneLayer offers a security and asset management platform focused on private LTE and 5G networks.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Havant, United Kingdom
$6.7M
raised

Managed Security Service Provider (MSSP), SaaS, Cyber Security

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$20.0M
raised

Glide Identity provides SIM-based cryptographic authentication and verification systems using telecom network APIs.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Sheffield, United Kingdom
$10.0M
raised

Sitehop develops cutting-edge networking and cyber-security solutions.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$8.5M
raised

Arcjet is a security platform that adds bot detection, rate limiting, and attack protection to applications with minimal code.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 393 funded startups

30,000+ verified emails
Unlimited exports
No credit card required
Amsterdam, The Netherlands
$33.0M
raised

Oneleet offers a cybersecurity platform for automated security and compliance.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Victoria, Brazil
$3.8M
raised

Exato is a quick, affordable, and thorough background check platform that can be used by corporations, startups, and micro-entrepreneurs.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Palo Alto, United States
$18.0M
raised

Autonomous AI agents for Security Risk and Compliance

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$17.5M
raised

Mondoo is an exposure management platform that identifies, prioritizes, and addresses vulnerabilities and misconfigurations.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$7.0M
raised

Cloudburst Technologies provides realtime monitoring solutions and cyber threat intelligence tools.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 393 funded startups

30,000+ verified emails
Unlimited exports
No credit card required
Bilbao, Spain
$2.3M
raised

Nymiz provides a definitive solution to ensure compliance with the GDPR regulations.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$23.0M
raised

Console is the AI platform for IT, built to help teams automate support and shift from doing the work to managing the system that does it.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Mechelen, Belgium
$10.0M
raised

Infrastructure as Code Management on Steroids.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Den Haag, The Netherlands
$7.0M
raised

Automated Compliance, Security & Due Diligence

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Seattle, United States
$17.0M
raised

Vouched develops patent-pending visual ID verification for regulated and sensitive industries.

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 393 funded startups

30,000+ verified emails
Unlimited exports
No credit card required
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

30,000+ 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

30,000+ verified contacts

Wilmington, United States
$13.0M
raised

Seal Security provides security operations.

Jul 2025
Series A

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 393 funded startups

30,000+ verified emails
Unlimited exports
No credit card required
London, United Kingdom
$4.7M
raised

DynaRisk provides cyber security tools for home users and businesses.

Jul 2025
Series A

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

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

30,000+ verified contacts

Showing 176 to 200 of 393 companies

Ready to Connect with Series A Cyber Security Startups?

Get verified founder emails, funding details, and company data for 393 series a cyber security companies.

Get Started - Access Contact Information

Join thousands of sales teams, investors, and service providers using VCBacked