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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
$231.5M
Avg Funding
$12.9M
Cities
16

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Kanata, Canada
$12.8M
raised

SaaS Management platform that helps organizations understand SaaS usage, optimize spend, enforce security policies and improve productivity.

Nov 2025
Series A

Founder Contacts

30,000+ verified contacts

Abingdon, United Kingdom
$22.2M
raised

Living Optics is an imaging technology company.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Boston, United States
$11.5M
raised

Oort is an identity threat detection and response platform for enterprise security.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$20.0M
raised

Elpha Secure is a provider of cybersecurity solutions and software protection to small businesses.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Montrouge, France
$13.7M
raised

CrowdSec is a participative IPS, using local IP behavior and community-driven IP reputation to protect Internet-exposed assets.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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New York, United States
$30.0M
raised

The leading product review site for enterprise technology.

Oct 2021
Series A

Founder Contacts

30,000+ verified contacts

Turin, Italy
$3.5M
raised

RedCarbon is a cyber automation company that supports security using AI and NLP.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Mountain View, United States
$10.0M
raised

Viakoo provides vulnerability management for unmanaged & IoT Devices. firmware patching, certificate management, and password enforcement.

Oct 2021
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$25.0M
raised

Valence enables organizations to find and fix SaaS risks, with comprehensive SSPM, threat detection, and risk remediation.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Austin, United States
$10.0M
raised

Cloud Native Runtime Security from Spyderbat detects and stops attacks throughout your Software Development Lifecycle (SDLC).

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Zürich, Switzerland
$6.7M
raised

xorlab harnesses machine intelligence to stop even the most sophisticated email attacks at first sight.

Oct 2021
Series A

Founder Contacts

30,000+ verified contacts

San Carlos, United States
$16.7M
raised

StrataVision offers AI-powered computer vision solutions for on-site analytics, incident detection, and operational optimization.

Oct 2021
Series A

Founder Contacts

30,000+ verified contacts

Santa Clara, United States
$500K
raised

Ridge Security is a computer and network services company that offers web app and server testing, and network infrastructure solutions.

Oct 2023
Series A

Founder Contacts

30,000+ verified contacts

San Mateo, United States
$8.0M
raised

Dellfer is an IoT and automotive cybersecurity startup that provides tools for devops to add endpoint protection.

Oct 2021
Series A

Founder Contacts

30,000+ verified contacts

Leuven, Belgium
$3.3M
raised

Sweepatic is an external attack surface management (EASM) company that helps customers become cyber resilient.

Oct 2021
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Kansas City, United States
$24.0M
raised

TripleBlind is a software company that provides scalable solution with simple API for privacy enhancing computation.

Oct 2021
Series A

Founder Contacts

30,000+ verified contacts

Irapuato, Mexico
$2.0M
raised

Monitor App is a plug and play Industrial Internet of Things tool for extracting, processing, and displaying floor data in real time.

Oct 2024
Series A

Founder Contacts

30,000+ verified contacts

Paris, France
$11.6M
raised

Our cyber risk quantification platform enables Enterprises and Insurers to make more enlightened decisions about the risks they face.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Showing 376 to 393 of 393 companies

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393 Cyber Security Series A Startups (August 2026) — Page 16 | VCBacked