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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
$394.4M
Avg Funding
$15.8M
Cities
17

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Palo Alto, United States
$20.0M
raised

SquareX is a Browser Detection and Response (BDR) solution that detects, mitigates, and threat-hunt client-side web attacks in real time.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$15.0M
raised

Jericho Security provides AI-powered cybersecurity training to combat generative AI threats.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

Austin, United States
$10.0M
raised

NetRise provides a cloud based platform for detecting, analyzing, and securing firmware and software in the supply chain ecosystem.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$8.5M
raised

Liminal turns GTM teams into instant experts with embedded intelligence that increases win rates and accelerates revenue

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

Santa Clara, United States
$26.2M
raised

Aurascape enables businesses to innovate fearlessly in the age of AI through a security platform engineered for AI interactions.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Vienna, United States
$18.0M
raised

Corsha is the Identity Provider for Machines that allows you to securely connect your machines, move data, and automate with confidence

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$13.6M
raised

Securing worldwide enterprises by connecting them with top cybersecurity professionals through Continuous Pentesting.

Mar 2025
Series A

Founder Contacts

19,000+ verified contacts

Palo Alto, United States
$50.0M
raised

Mimic Networks is a cybersecurity company that provides an enterprise ransomware defense platform for security teams.

Feb 2025
Series A

Founder Contacts

19,000+ verified contacts

Seattle, United States
$15.0M
raised

Edera is an enterprise infrastructure security company that offers secure-by-design Kubernetes and AI solution.

Feb 2025
Series A

Founder Contacts

19,000+ verified contacts

Torino, Italy
$3.1M
raised

Drivesec is a cybersecurity company that develops security solutions for the IoT market.

Feb 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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London, United Kingdom
$13.1M
raised

ThreatSpike delivers true end-to-end cyber security for companies of any size. Rather than tools, we provide results.

Feb 2025
Series A

Founder Contacts

19,000+ verified contacts

San Mateo, United States
$28.0M
raised

QuSecure provides post-quantum cryptography software solutions that offer traditional and cyber threat protection services.

Feb 2025
Series A

Founder Contacts

19,000+ verified contacts

Wilmington, United States
$20.0M
raised

Clutch is the industry's first Universal Non-Human Identity Security Platform, built for the enterprise

Jan 2025
Series A

Founder Contacts

19,000+ verified contacts

Blackrock, Ireland
$7.0M
raised

Dataships is a data privacy software and services company, specializing in automating GDPR and CCPA compliance.

Jan 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States

Cyberwrite provides cyber insurance policies and the patented 4SEEN technology for underwriting and risk management.

Dec 2024
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Manchester, United Kingdom
$5.1M
raised

Netacea provides behavior-based bot management to protect enterprise businesses from threats.

Dec 2024
Series A

Founder Contacts

19,000+ verified contacts

Danville, United States
$28.5M
raised

Tuskira's Agentic AI Security Mesh integrates data from over 150 tools, streamlining operations and enhancing existing defenses.

Dec 2024
Series A

Founder Contacts

19,000+ verified contacts

Palo Alto, United States
$10.3M
raised

Trustero provides solutions and services that enable demonstrable, sustainable trustworthiness for emerging enterprises.

Nov 2024
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$18.0M
raised

Prompt Security enables organizations to adopt Generative AI safely and securely with a complete platform for GenAI Security.

Nov 2024
Series A

Founder Contacts

19,000+ verified contacts

Cambridge, United States
$8.9M
raised

Ennoventure is a Saas firm that offers anticounterfeiting and brand engagement services.

Nov 2024
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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San Francisco, United States
$15.0M
raised

Abstract Security provides data management solutions for security and compliance analytics.

Oct 2024
Series A

Founder Contacts

19,000+ verified contacts

Boston, United States
$17.5M
raised

End-to-end cyber risk management solution for industrial sectors and critical infrastructures with Cyber-Physical Systems (CPS).

Oct 2024
Series A

Founder Contacts

19,000+ verified contacts

Rochester, United States
$7.0M
raised

CYRISMA is a cybersecurity company that offers sensitive data discovery, vulnerability management, and dark web monitoring services.

Oct 2024
Series A

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$19.0M
raised

watchTowr is redefining External Attack Surface Management with its Continuous Automated Red Teaming platform.

Oct 2024
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$17.5M
raised

Harmonic Security specializes in data protection, providing tools to easily monitor and safeguard sensitive data.

Oct 2024
Series A

Founder Contacts

19,000+ verified contacts

Showing 51 to 75 of 142 companies

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