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Series B Cyber Security Companies

Explore 203 cyber security startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
203
Total Funding
$1.5B
Avg Funding
$59.5M
Cities
20

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Los Angeles, United States
$20.0M
raised

Open Raven is the data security posture management company that prevents leaks, breaches, and compliance incidents.

Sep 2022
Series B

Founder Contacts

41,000+ verified contacts

Weehawken, United States
$30.0M
raised

TrueFort brings zero trust to application environments to detect and contain critical security risks before they impact your business.

Sep 2021
Series B

Founder Contacts

41,000+ verified contacts

Cupertino, United States
$40.0M
raised

Isovalent builds open-source networking, service mesh, security, and observability software for modern cloud-native infrastructure

Sep 2022
Series B

Founder Contacts

41,000+ verified contacts

Santa Barbara, United States
$100.0M
raised

Bitwarden provides open-source password management solutions for individuals, teams, and business organizations.

Sep 2022
Series B

Founder Contacts

41,000+ verified contacts

Minami-aoyama, Japan
$4.9M
raised

Spider Labs is an ad fraud detection tool that detects, blocks, and protects web ads from invalid clicks and conversions.

Sep 2021
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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New York, United States
$42.0M
raised

Panorays provides management software that automates the third-party security process, allowing it to be scaled and accelerated.

Sep 2021
Series B

Founder Contacts

41,000+ verified contacts

Munich, Germany
$60.0M
raised

DataGuard is a leading SaaS security and compliance software provider.

Sep 2022
Series B

Founder Contacts

41,000+ verified contacts

Boston, United States
$17.0M
raised

The user-focused endpoint security platform for teams that Slack.

Sep 2021
Series B

Founder Contacts

41,000+ verified contacts

Washington, United States
$150.0M
raised

Rebellion Defense's mission is to help the US and its partners outpace tomorrow's adversary.

Sep 2021
Series B

Founder Contacts

41,000+ verified contacts

Bristol, United Kingdom
$129.8M
raised

Envelop Risk is a global specialty cyber and emerging risk underwriting firm.

Sep 2021
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Philadelphia, United States
$9.0M
raised

We give businesses the insights they need to protect themselves from the constantly changing identity-fraud threat landscape.

Sep 2023
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$70.0M
raised

SentiLink is an identity verification technology company that helps in detecting and blocking synthetic identities.

Aug 2021
Series B

Founder Contacts

41,000+ verified contacts

New York, United States
$23.0M
raised

Axio is a SaaS-based cyber management software that provides security programs for enterprises and government sectors.

Aug 2022
Series B

Founder Contacts

41,000+ verified contacts

Framingham, United States
$8.0M
raised

Raven360 provides a sales readiness platform that delivers up-to-date and consistent sales content, training and coaching.

Aug 2022
Series B

Founder Contacts

41,000+ verified contacts

New York, United States
$100.0M
raised

Offchain Labs develops a solution for scaling Ethereum smart contracts.

Aug 2021
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Austin, United States
$61.0M
raised

Smack Technologies develops domain-specific AI models and decision-making systems for national security and military applications.

Aug 2026
Series B

Founder Contacts

41,000+ verified contacts

Boston, United States
$30.0M
raised

ThreatX is a web application and API protection platform that enables enterprises to secure all their applications.

Aug 2022
Series B

Founder Contacts

41,000+ verified contacts

Basingstoke, United Kingdom
$65.0M
raised

InfoSum provides a decentralized platform designed to remove the trust barriers between progress and privacy.

Aug 2021
Series B

Founder Contacts

41,000+ verified contacts

Santa Clara, United States
$20.0M
raised

Baffle protects data in the cloud by securing the data analytics pipeline for modern enterprises without any code changes or disruption.

Aug 2021
Series B

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$40.0M
raised

Nightfall is a cloud data protection platform that uses machine learning to identify and detect business-critical data.

Aug 2022
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
No credit card required
London, United Kingdom
$174.5M
raised

Kraken Technology Group develops autonomous maritime platforms and systems for defense, security, and critical infrastructure applications.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

Dallas, United States
$40.0M
raised

DataBahn is an AI-powered data pipeline management tool that automates and enriches telemetry data with AI-enabled precision.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

Wilmington, United States
$113.0M
raised

Onyx Security provides cybersecurity software that monitors and manages risks in artificial intelligence and machine learning systems.

Jul 2026
Series B

Founder Contacts

41,000+ verified contacts

Mountain View, United States
$40.0M
raised

Frontegg provides a powerful user management infrastructure, designed for modern applications.

Jul 2022
Series B

Founder Contacts

41,000+ verified contacts

New York, United States
$100.0M
raised

Alice enables trust and safety teams to protect their platforms and users from online harm - across content formats and abuse areas.

Jul 2021
Series B

Founder Contacts

41,000+ verified contacts

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