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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
$353.9M
Avg Funding
$14.2M
Cities
19

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Cali, Colombia

Truora offers a technology paltform to simplify and automate user interactions across digital channels.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Luzern, Switzerland
$15.2M
raised

Bug Bounty Switzerland operates a cybersecurity platform connecting organizations with ethical hackers to identify software vulnerabilities.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Chicago, United States
$13.0M
raised

Network Perception provides a network device configuration analysis software to visualize and verify their network architecture.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$19.0M
raised

Smallstep is an open-source toolkit to automate certificate administration and secure infrastructures.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Frankfurt, Germany
$8.6M
raised

QuoIntelligence provides risk intelligence services that help organizations respond to cyber, geopolitical, and operational threats.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Santa Clara, United States
$23.0M
raised

Identity and Access Management from Passwordless through Continuous Adaptive Trust leveraging behavioral and biometric signatures

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$15.0M
raised

Manifest is a cybersecurity firm focused on assisting businesses in securing their software supply chains.

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

Cleveland, United States
$12.6M
raised

SCATR is the data camouflage company provides data security with Zero Trust Transit across any network.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Charlottesville, United States
$6.0M
raised

RIIG is a risk intelligence and cybersecurity solutions company, that focuses on improving organizational cybersecurity resilience.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$55.0M
raised

Artemis is the first protective layer that is AI-native

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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East Aurora, United States
$4.5M
raised

VeriTX ensures companies consume only trusted, tamper-proof data using quantum-safe security and blockchain-powered provenance.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Newark, United States
$10.5M
raised

Securden is a Windows Privilege Management Software.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Newark, United States

AppSecCL is a U.S.-based cybersecurity research and training organization dedicated to advancing secure software development practices.

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia

KrattWorks offers EW resilient reconnaissance and strike drones

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$12.6M
raised

Fletch provides ready-to-use analytics organized in solutions sets that are easy to understand and actionable on day one.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Istanbul, Turkey
$2.0M
raised

Bulutistan is a leading cloud service provider delivering innovative, scalable, and secure solutions to empower businesses.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Front Royal, United States
$112K
raised

SF is using proprietary generative AI and predictive analytics to lower airport management cost and improve safety.

Mar 2023
Series A

Founder Contacts

30,000+ verified contacts

Chicago, United States
$15.6M
raised

Drift Net creates and provides technical solutions to keep communities safe and disrupting security and AI-based technology.

Mar 2023
Series A

Founder Contacts

30,000+ verified contacts

Wroclaw, Poland
$2.9M
raised

Surveily uses AI to harden safety in manufacturing. It detects threats in realtime and helps prevention. No internet or CCTV upgrade needed.

Mar 2026
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$20.0M
raised

Reclaim Security builds AI-powered software to automatically detect and fix security risks in an organization’s IT environment.

Mar 2026
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

Fig Security is a cybersecurity startup that detects gaps in operational data security infrastructure and maintains functionality.

Mar 2026
Series A

Founder Contacts

30,000+ verified contacts

Washington, United States
$57.5M
raised

Rivet Industries delivers front line hardware and software to the world's most important workers.

Mar 2026
Series A

Founder Contacts

30,000+ verified contacts

Oakland, United States
$12.0M
raised

Antimatter is a data security company that provides cryptographic infrastructure services to B2B SaaS companies.

Mar 2022
Series A

Founder Contacts

30,000+ verified contacts

Bellevue, United States
$10.8M
raised

Teal is on a mission to end roaming and connect any device to any global carrier automatically.

Mar 2022
Series A

Founder Contacts

30,000+ verified contacts

Monona, United States
$8.0M
raised

Sprocket Security provides continuous security testing services.

Mar 2024
Series A

Founder Contacts

30,000+ verified contacts

Showing 101 to 125 of 393 companies

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