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Series B Network Security Companies

Explore 68 network security startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
68
Total Funding
$790.9M
Avg Funding
$31.6M
Cities
16

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Carlsbad, United States
$21.0M
raised

GigaIO develops high performance interconnect memory fabric solutions for computing clusters.

Jul 2025
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$27.0M
raised

Open-source device management for everyone. Replace the sprawl with a modern device management platform that works the way you want.

Jun 2025
Series B

Founder Contacts

41,000+ verified contacts

San Jose, United States
$19.0M
raised

Graphiant offers Network-as-a-Service solutions for AI, Cloud, and SaaS connectivity.

May 2025
Series B

Founder Contacts

41,000+ verified contacts

Tel Aviv, Israel
$60.0M
raised

Ox Security is an application security platform that helps organizations manage software security throughout the development lifecycle.

May 2025
Series B

Founder Contacts

41,000+ verified contacts

Herzliya, Israel
$37.0M
raised

Cynomi provides an AI platform for automating risk assessments and compliance.

Apr 2025
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Tel Aviv, Israel
$50.0M
raised

Sentra is a cloud-native data security platform that utilizes AI to automatically discover and classify data.

Apr 2025
Series B

Founder Contacts

41,000+ verified contacts

Arlington, United States
$15.0M
raised

Cape develops privacy-enabling technology that allows users to reclaim their privacy and security on electronic devices.

Mar 2025
Series B

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia
$49.0M
raised

Blackwall is a cybersecurity company offering bot mitigation and web security solutions for hosting and managed services.

Mar 2025
Series B

Founder Contacts

41,000+ verified contacts

Tel Aviv-jaffa, Israel
$50.0M
raised

Blockaid provides onchain security solutions for monitoring transactions, detecting threats, and securing digital assets.

Feb 2025
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$30.0M
raised

Riot develops an employee-focused cyber-protection software platform for fighting phishing attempts.

Feb 2025
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Tel Aviv, Israel
$30.0M
raised

Mitiga is cloud and SaaS security startup that provides advanced cloud threat detection, incident response, and investigation solutions.

Jan 2025
Series B

Founder Contacts

41,000+ verified contacts

Canberra, Australia
$22.5M
raised

Vault is an Australian ASD certified cloud service provider to government agencies and enterprise.

Dec 2024
Series B

Founder Contacts

41,000+ verified contacts

Tel Aviv, Israel
$45.0M
raised

Astrix Security is a cloud-based security platform that protects non-human identities across SaaS, IaaS, and PaaS environments.

Dec 2024
Series B

Founder Contacts

41,000+ verified contacts

San Jose, United States
$45.0M
raised

Concentric AI delivers data risk assessment, monitoring, and protection for corporate data.

Oct 2024
Series B

Founder Contacts

41,000+ verified contacts

Rome, Italy
$24.9M
raised

Cyber Guru develops a cybersecurity awareness training platform to improve the security of individuals and organizations.

Oct 2024
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Mclean, United States
$12.0M
raised

RunSafe Security immunizes software without developer friction to enable continous delivery.

Sep 2024
Series B

Founder Contacts

41,000+ verified contacts

Rockville, United States
$11.0M
raised

Sepio provides asset risk management services for the financial, insurance, healthcare, and manufacturing industries.

Aug 2024
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$33.0M
raised

SafeBase is a trust center platform for friction-free security reviews changing how companies communicate their security and trust posture.

Apr 2024
Series B

Founder Contacts

41,000+ verified contacts

San Jose, United States
$45.0M
raised

Elisity Cognitive Trust is a new security paradigm that combines Zero Trust Network Access and an AI-enabled Software Defined Perimeter.

Apr 2024
Series B

Founder Contacts

41,000+ verified contacts

Pangyo, South Korea
$4.5M
raised

Hardware based device security solution provider for lightweight IoT devices. Intrinsic Security of Things (SoT), Security-by-Design.

Mar 2024
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Denver, United States
$50.0M
raised

Todyl operates as a networking and security platform built for MSP or MSSPs.

Feb 2024
Series B

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$25.0M
raised

Powering the secure connective technologies to drive cloud and edge native

Feb 2024
Series B

Founder Contacts

41,000+ verified contacts

New York, United States
$25.0M
raised

Zero trust access for operational technology and industrial control systems

Feb 2024
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$30.0M
raised

Clerk develops a software application to provide a sign-up and sign-in page for any website and profile management.

Jan 2024
Series B

Founder Contacts

41,000+ verified contacts

Tel Aviv, Israel
$30.0M
raised

MineOS is the operating system for Data Privacy, Governance, & Compliance. #1 customer-rated for data mapping & DSR automation.

Dec 2023
Series B

Founder Contacts

41,000+ verified contacts

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68 Network Security Series B Startups (September 2026) — Page 2 | VCBacked