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Series B Cyber Security Companies

Explore 206 cyber security startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
206
Total Funding
$1.5B
Avg Funding
$60.6M
Cities
17

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San Francisco, United States
$16.1M
raised

Clear Skye delivers a complete Identity and Access Governance solution providing employee lifecycle automation and business intelligence.

Sep 2025
Series B

Founder Contacts

30,000+ verified contacts

Broomfield, United States
$593.8M
raised

Quantinuum is a IT firm that accelerates quantum computing and the development of applications across chemistry, cybersecurity, and finance.

Aug 2025
Series B

Founder Contacts

30,000+ verified contacts

Somerset, United States
$47.0M
raised

1Kosmos provides a unified identity verification and passwordless authentication platform.

Aug 2025
Series B

Founder Contacts

30,000+ verified contacts

Philadelphia, United States
$18.9M
raised

FORT Robotics is a safety and security platform designed to secure autonomous machines from cybersecurity attacks.

Aug 2025
Series B

Founder Contacts

30,000+ verified contacts

Austin, United States
$50.0M
raised

BlinkOps delivers an AI-powered platform for automating security workflows.

Jul 2025
Series B

Founder Contacts

30,000+ verified contacts

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Philadelphia, United States
$24.0M
raised

Asylon Robotics develops robotic security systems that integrate drones and ground-based robotics to automate perimeter security operations.

Jul 2025
Series B

Founder Contacts

30,000+ verified contacts

Carlsbad, United States
$21.0M
raised

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

Jul 2025
Series B

Founder Contacts

30,000+ verified contacts

Zug, Switzerland
$57.0M
raised

Zama brings confidentiality to public blockchains

Jun 2025
Series B

Founder Contacts

30,000+ verified contacts

New York, United States
$14.0M
raised

Supply Wisdom is automating risk management, risk intelligence and monitoring on third parties and location services.

Jun 2025
Series B

Founder Contacts

30,000+ 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

30,000+ verified contacts

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30,000+ verified emails
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San Francisco, United States
$20.0M
raised

Conveyor is a SaaS platform helping companies speed through their customer security reviews (with a little help from AI)

Jun 2025
Series B

Founder Contacts

30,000+ verified contacts

Herzliya, Israel
$40.0M
raised

Hypernative delivers Web3 security and threat detection, using AI to protect blockchain protocols, assets, and decentralized apps.

Jun 2025
Series B

Founder Contacts

30,000+ verified contacts

Miami, United States
$56.0M
raised

Guardz is a cybersecurity company that develops an AI-native unified detection and response platform to protect SME businesses.

Jun 2025
Series B

Founder Contacts

30,000+ verified contacts

Pleasanton, United States
$15.0M
raised

Deep Sentinel is a home security company that produces cameras powered by deep learning that can evaluate threats on a property.

Jun 2025
Series B

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$40.0M
raised

Cerby is the identity automation platform for disconnected apps

May 2025
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ verified contacts

San Francisco, United States
$36.0M
raised

TurbineOne is the frontline perception company.

May 2025
Series B

Founder Contacts

30,000+ 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

30,000+ verified contacts

Berlin, Germany
$91.8M
raised

Noxtua, Europe's sovereign Legal AI.

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

Herzliya, Israel
$37.0M
raised

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

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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Palo Alto, United States
$93.0M
raised

Endor Labs secures software supply chains with advanced tools for open-source risk, compliance, and developer productivity.

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

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

30,000+ verified contacts

Boston, United States
$30.0M
raised

A browser-native identity security platform that hardens your identity attack surface and prevents account takeover.

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

Paris, France
$28.5M
raised

Sekoia.io is an intelligence driven SOC platform that enables security analysts to detect & respond threats in real time

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

Palo Alto, United States
$30.0M
raised

Anecdotes is a data-powered, AI-enhanced GRC platform that automates compliance and scales enterprise GRC programs.

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

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