Nucleus Security
Sarasota, US · Founded 2019 · Delaware corporation · 5 known investors
Nucleus Security offers a unified exposure management platform that consolidates security data from 200+ sources, prioritizes vulnerabilities with threat intelligence, and automates remediation workflows. It serves large enterprises, federal, state, and local government agencies, and government contractors in the cybersecurity industry.
Founders & leadership
Nucleus Security was founded in 2019 by STEPHEN CARTER, SCOTT KUFFER, Steve Carter, and Scott Kuffer.
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STEPHEN CARTERCo-founder
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SCOTT KUFFERinCo-Founder | Chief Product Officer
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Steve CarterinCo-founder & CEO
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Scott KufferinCo-Founder | Chief Product Officer
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NICHOLAS FLEMINGNamed on SEC filing
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MICHAEL NIXONNamed on SEC filing
Board
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Investors · 5
Reported raises · per SEC filings
Form D private placements$23.8M disclosed across 2 rounds · 2021–2022
▶$20.3MraisedMar 2022 · 3 investors · Other TechnologyRule 506(b)
▶$20.3MraisedMar 2022 · 3 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Avery RosinDirector
- Michael NixonDirector
- Ryan KruizengaDirector
- Scott KufferDirector
- Stephen CarterExecutive Officer, Director
- Offering amount
- $20.3M
- Amount sold
- $20.3M
- First sale
- Mar 2022
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$3.5MraisedMar 2021 · 4 investors · Other TechnologyRule 506(b)
▶$3.5MraisedMar 2021 · 4 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- NICHOLAS FLEMINGDirector
- MICHAEL NIXONDirector
- RYAN KRUIZENGADirector
- STEPHEN CARTERExecutive Officer, Director
- SCOTT KUFFERDirector
- Offering amount
- $3.5M
- Amount sold
- $3.5M
- Proceeds to insiders
- $600K
- First sale
- Feb 2021
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 10
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Splunk186 shared keywordsSplunk offers a unified platform for security and observability that ingests and analyzes large-scale data across hybrid cloud environments. Its tools support security operations centers with analytics and automated response, and help teams monitor application and infrastructure performance.
Netezza185 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Sentinel One183 shared keywordsSentinelOne provides an AI-powered cybersecurity platform for enterprises that integrates endpoint protection, threat detection, and incident response capabilities. The company serves large enterprises, including many Fortune 500 organizations, to protect against cyber threats at scale.
Crowdstrike181 shared keywordsCrowdStrike provides an AI-native cybersecurity platform that unifies endpoint, identity, cloud, SaaS, and AI protection to detect and stop breaches for enterprise organizations. It combines automated response with human-led security operations including managed detection and response, threat hunting, and security services.
Palo Alto Networks162 shared keywordsPalo Alto Networks provides cybersecurity platforms and services to protect organizations' digital infrastructure across cloud, network, and security operations. The company serves enterprise organizations, governments, financial institutions, utilities, and healthcare providers globally.
Check Point Software148 shared keywordsCheck Point Software Technologies is a cybersecurity company providing security products and solutions. This page is its investor relations section, containing annual reports, SEC filings, financial results, and corporate governance information.
Wiz133 shared keywordsWiz provides cloud security platform that identifies and removes critical risks across multi-cloud environments. The company offers a unified security layer for organizations to manage risks and accelerate business operations on major cloud providers.
Upguard133 shared keywordsUpGuard provides a platform for managing cybersecurity risk, including third-party vendor and supply chain risk assessment. It is aimed at organizations seeking to evaluate and monitor the security posture of their vendors.
CyCognito127 shared keywordsCyCognito provides an external attack surface management (ASM) platform that continuously discovers, tests, and prioritizes exposures across an organization's internet-facing assets, subsidiaries, and third-party connections. It serves enterprise security teams with automated asset discovery, autonomous security testing (including DAST and vulnerability scanning), risk prioritization, and remediation workflows.
Companies competing with Nucleus Security for the same Google search keywords, organic and paid, via search-intersection analysis.
Non-dilutive funding · 1 SBIR/STTR award
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| U.S. Air ForceAir Force | Phase I | 2021 | $48.7K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Frequently asked questions
- What does Nucleus Security do?
- Nucleus Security offers a unified exposure management platform that consolidates security data from 200+ sources, prioritizes vulnerabilities with threat intelligence, and automates remediation workflows. It serves large enterprises, federal, state, and local government agencies, and government contractors in the cybersecurity industry.
- Who founded Nucleus Security?
- Nucleus Security was founded by STEPHEN CARTER, SCOTT KUFFER, Steve Carter, Scott Kuffer in 2019.
- Who are Nucleus Security's investors?
- Nucleus Security's investors include Arthur Ventures, Aviso Ventures, Dcode Capital, Delta-v Capital, Lead Edge Capital.
- How much funding has Nucleus Security raised?
- Nucleus Security has disclosed $23.8M raised across 2 rounds.
- Where is Nucleus Security headquartered?
- Nucleus Security is headquartered in Sarasota, US.