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Series D Security Companies

Explore 15 security startups that raised series d funding. Access verified founder contact information and fundraising data.

Total Companies
15
Total Funding
$3.3B
Avg Funding
$223.0M
Cities
10

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Recently Funded Companies

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Austin, United States
$1.8B
raised

Saronic designs and manufactures unmanned surface vehicles for maritime security and domain awareness.

Mar 2026
Series D

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$150.0M
raised

Vanta is a trust management platform that automates compliance and risk management.

Jul 2025
Series D

Founder Contacts

19,000+ verified contacts

Washington, United States
$50.0M
raised

Virtru provides data encryption for email and file sharing, enabling users to easily control access to their sensitive data.

Jul 2025
Series D

Founder Contacts

19,000+ verified contacts

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
$108.0M
raised

Veza is a data security platform that helps users use and share their data safely.

Apr 2025
Series D

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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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

Beaverton, United States
$7.0M
raised

Delivering the fastest path to security and compliance in the cloud.

Nov 2024
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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19,000+ verified emails
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Nihombashi-hamacho, Japan
$43.5M
raised

Axelspace is a commercial microsatellite developer and satellite imagery provider.

Dec 2023
Series D

Founder Contacts

19,000+ verified contacts

Tel Aviv, Israel
$40.0M
raised

Cortica is a technology company developing AI capable of learning and reacting on its own.

Oct 2023
Series D

Founder Contacts

19,000+ verified contacts

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

New York, United States
$100.0M
raised

Resilience supports companies assess, measure, and manage their cyber risk by balancing risk acceptance, mitigation, and transfer.

Aug 2023
Series D

Founder Contacts

19,000+ verified contacts

Los Angeles, United States
$510.0M
raised

Chaos is a defense technology company that develops advanced sensing, detection, and communication technologies for the military sectors.

Nov 2025
Series D

Founder Contacts

19,000+ verified contacts

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