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Series A Cyber Security Companies

Explore 398 cyber security startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
398
Total Funding
$437.3M
Avg Funding
$17.5M
Cities
20

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Carlsbad, United States
$9.0M
raised

True I/O provides cloud-based enterprise hosting, server, and storage solutions.

Jan 2023
Series A

Founder Contacts

41,000+ verified contacts

Miami, United States
$10.0M
raised

SCYTHE is the adversary emulation validation and threat intelligence platform for the enterprise cybersecurity market.

Nov 2021
Series A

Founder Contacts

41,000+ verified contacts

San Jose, United States
$9.0M
raised

Portal26 offers a platform that renders data immune to ransomware, cyberattacks, extortion and any data related cyber event.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

Menlo Park, United States

ActZero provides AI-driven managed detection and response for cybersecurity.

Jan 2022
Series A

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$9.9M
raised

NetBird is a cybersecurity company that is building an open-source platform to simplify the deployment of Virtual Private Networks.

Jan 2026
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Menlo Park, United States
$165.2M
raised

Armadin Security is an AI-powered cybersecurity company that specializes in real-time threat hunting.

Jan 2026
Series A

Founder Contacts

41,000+ verified contacts

New York, United States
$25.0M
raised

Teleskope provides a data protection platform that automates data security, privacy, and compliance across organizational environments.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

Oxford, United Kingdom
$13.7M
raised

Animal Dynamics Ltd, based in Oxford, UK, is a technology company specialising in the design and manufacture of autonomous vehicles.

Jan 2022
Series A

Founder Contacts

41,000+ verified contacts

Menlo Park, United States
$7.5M
raised

Blue Lava is a cybersecurity management solution enabling IT teams to strategize, prioritize, and budget core cybersecurity programs.

Nov 2021
Series A

Founder Contacts

41,000+ verified contacts

Lausanne, Switzerland
$8.1M
raised

Resist attacks by reducing excessive access.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Reykjavík, Iceland
$7.0M
raised

Varist is a cybersecurity firm specializing in real time deep file analysis

Nov 2024
Series A

Founder Contacts

41,000+ verified contacts

Dallas, United States
$5.0M
raised

illuno is a marketplace connecting Police officers and their communities for off-duty jobs.

Jan 2026
Series A

Founder Contacts

41,000+ verified contacts

Charlotte, United States
$15.0M
raised

NetFoundry offers secure, zero trust networking solutions, enabling application-specific networks without VPNs or MPLS dependencies.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

Santiago, Chile
$1.5M
raised

Smartmart Solutions provides internet of things home products.

Jan 2022
Series A

Founder Contacts

41,000+ verified contacts

Barcelona, Spain
$853K
raised

Hybrid Cybersecurity Solutions

Jan 2022
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Indianapolis, United States
$10.0M
raised

Quantum Corridor is a cutting-edge coherent optical network technology company.

Nov 2024
Series A

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$16.5M
raised

Coverbase is an AI-native procurement platform that automates vendor intake, risk, and contracts to streamline purchasing securely.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

Ankara, Turkey
$8.2M
raised

End-to-end merchant management platform for acquirers, banks, and fintechs to boost revenue, reduce risk, and ensure compliance.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

New York, United States
$21.5M
raised

Method Security develops autonomous cyber defenses.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$14.0M
raised

Feroot Security platform protects the client-side javascript code of web applications against client-side attacks and compliance violations.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Austin, United States
$22.5M
raised

Nudge Security is a cybersecurity startup that combats cyber risks and threats faced by organizations through modern workforce.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

Paris, France
$22.7M
raised

Cybersecurity for mobile payment

Nov 2021
Series A

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$25.0M
raised

Bedrock Data accelerates data security, governance, and management for all your data, at scale, so you can innovate faster.

Nov 2025
Series A

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$8.0M
raised

Private AI develops privacy-preserving machine learning and natural language processing tools making privacy and GDPR compliance reliable.

Nov 2022
Series A

Founder Contacts

41,000+ verified contacts

Yarmouth Port, United States
$2.0M
raised

VoxCroft Analytics is a global leader in open-source intelligence (OSINT) and risk analytics.

Nov 2021
Series A

Founder Contacts

41,000+ verified contacts

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