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Series D Network Security Companies

Explore 6 network security startups that raised series d funding. Access verified founder contact information and fundraising data.

Total Companies
6
Total Funding
$586.0M
Avg Funding
$97.7M
Cities
5

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San Francisco, United States
$100.0M
raised

Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities.

May 2025
Series D

Founder Contacts

19,000+ verified contacts

Palo Alto, United States
$100.0M
raised

Cyberhaven is an AI-powered data security company focused on detecting and preventing data loss, insider threats, and protecting cloud data.

Apr 2025
Series D

Founder Contacts

19,000+ verified contacts

Burlington, United States
$60.0M
raised

Pentera is the market leader in Automated Security Validation

Mar 2025
Series D

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$100.0M
raised

Semgrep is an application security platform that scans code for bugs, security vulnerabilities, and enforce coding standards.

Feb 2025
Series D

Founder Contacts

19,000+ verified contacts

Tel Aviv, Israel
$116.0M
raised

Silverfort is the identity security platform that secures every dimension of identityhuman or machine, cloud or on-prem.

Jan 2024
Series D

Founder Contacts

19,000+ verified contacts

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Austin, United States
$110.0M
raised

SpyCloud is the leader in Cybercrime Analytics. Their solutions transform recaptured darknet data to protect businesses from cyberattacks.

Aug 2023
Series D

Founder Contacts

19,000+ verified contacts

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6 Recently Funded Network Security Series D Startups (June 2026) | VCBacked