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Network Security Startups

Updated October 2026

Companies in the network security sector developing innovative solutions and technologies.

Explore 641 recently funded network security companies with verified founder contact information and fundraising data.

Total Companies
641
Total Funding
$212.8M
Avg Funding
$13.3M
Global Reach
5
countries

Top Cities for Network Security

London
Los Angeles
Ottawa
Boston
Santa Clara
Leuven

Recently Funded Companies

Export
London, United Kingdom

IP Management / Abuse Management / DNS Management / Delegated RPKI / IP Reputation. Lease and monetize IPv4 and IPv6 resources efficiently.

Oct 2025

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Datority develops innovative solutions to help businesses and individuals protect their data and assets from cyber threats.

$3.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Ottawa, Canada

Corsa helps large enterprises scale their network security so they can inspect encrypted traffic for 100% SSL visibility.

$10.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Boston, United States

CyberWarrior Academy renders penetration testing, identity management, security assessments, and cloud security solutions.

$1.0M raised
Oct 2021

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

Ridge Security is a computer and network services company that offers web app and server testing, and network infrastructure solutions.

$500K raised
Oct 2023

Founder Contacts

41,000+ verified contacts

Leuven, Belgium

Sweepatic is an external attack surface management (EASM) company that helps customers become cyber resilient.

$3.3M raised
Oct 2021

Founder Contacts

41,000+ verified contacts

Dover, United States

Compliancer Risk is a firm that provides assistance with governance, risk, and compliance.

$3.5M raised
Oct 2023

Founder Contacts

41,000+ verified contacts

Guyancourt, France

Pr0ph3cy is a consulting firm that creates cybersecurity-related products and concepts.

$17.4M raised
Oct 2021

Founder Contacts

41,000+ verified contacts

San Francisco, United States

BlackFog provides AI security and anti data exfiltration (ADX) to protect organizations from modern cyber threats

$5.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Rennes, France

Skyld is an AI security company that builds network security systems using artificial intelligence and machine learning.

$1.8M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Paris, France

Our cyber risk quantification platform enables Enterprises and Insurers to make more enlightened decisions about the risks they face.

$11.6M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Pessac, France

TEHTRIS is an AI-powered cybersecurity company that provides an automated XDR platform to detect and neutralize cyber threats in real time.

$42.7M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Bristol, United Kingdom

Immersive Labs develops a platform that measures and improves cybersecurity skills across businesses.

$66.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Mechelen, Belgium

Ceeyu is a digital footprint company providing a Digital Risk Management, Security Rating and Vendor Risk Management platform.

$539K raised
Oct 2022

Founder Contacts

41,000+ verified contacts

New York, United States

Decentralized Realtime Endpoint Protection & Cyber Threat Intelligence

$1.4M raised
Oct 2021

Founder Contacts

41,000+ verified contacts

Mountain View, United States

Stairwell is a cybersecurity company that offers an Automated Threat Detection and Response platform that attackers can’t detect or evade.

$45.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Showing 626 to 641 of 641 companies

About the Network Security Startup Ecosystem

The network security sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Network Security

Network Security companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The network security sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Network Security Funding Breakdown

Here is how funding is distributed among the 641 network security companies tracked in the VCBacked database.

Average Funding
$13.3M
Total Funding Tracked
$212.8M
Countries Represented
5

Distribution by Funding Stage

Other16 companies

Top Cities for Network Security

1.London
1 companiesUndisclosed
2.Los Angeles
1 companies$3.0M
3.Ottawa
1 companies$10.0M
4.Boston
1 companies$1.0M
5.Santa Clara
1 companies$500K

Related Industries

Companies in the network security sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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641 Network Security Startups (2026) — Recently Funded — Page 26 | VCBacked