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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
$350.1M
Avg Funding
$14.0M
Cities
18

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Torino, Italy
$3.1M
raised

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

Feb 2025
Series A

Founder Contacts

30,000+ verified contacts

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

30,000+ 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

30,000+ verified contacts

San Francisco, United States
$10.5M
raised

Two Dots is a consumer underwriting and fraud prevention agent company

Feb 2025
Series A

Founder Contacts

30,000+ 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

30,000+ verified contacts

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30,000+ verified emails
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New York, United States
$12.0M
raised

Belfry is a technology provider that offers a software platform for managing businesses.

Jan 2025
Series A

Founder Contacts

30,000+ 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

30,000+ verified contacts

Berlin, Germany
$20.8M
raised

Apheris is a federated computing company that focuses on network security, addressing the need for secure data sharing.

Jan 2025
Series A

Founder Contacts

30,000+ 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

30,000+ verified contacts

Manchester, United Kingdom
$5.1M
raised

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

Dec 2024
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

Tel Aviv, Israel
$35.0M
raised

Trail Security is an intelligent data protection platform that builds solutions for data loss prevention.

Oct 2024
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

Singapore, Singapore
$6.7M
raised

Blackpanda is a digital forensics and cyber incident response firm.

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

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

Tamnoon offers a managed cloud security remediation platform focused on enhancing cloud security and effectively managing threats.

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$5.0M
raised

Patchstack is a website security and monitoring platform.

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

Dover, United States
$20.0M
raised

EasyDMARC is an email security firm that simplifies the email security and authentication process for businesses of all sizes.

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$10.0M
raised

Operant provides security at cloud native scale.

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$15.0M
raised

P0 is a universal cloud-access governance platform, that secures all identities - human and machine, without affecting developer workflows

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

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393 Cyber Security Series A Startups (August 2026) — Page 10 | VCBacked