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Nucleus
Helping security teams optimize vulnerability management workflows through orchestration and automation
About Nucleus
Nucleus Security operates in the cybersecurity market, specializing in vulnerability management software. The company serves a diverse range of clients, including large enterprises and organizations that require robust security measures to protect their digital assets. Nucleus Security's core product is a centralized platform that integrates with over 100 scanners and external tools, providing a unified solution for vulnerability analysis, triage, and remediation. This platform helps organizations manage and mitigate security vulnerabilities more efficiently by automating workflows and centralizing data, which increases the speed and reduces the cost of vulnerability management programs.
The business model of Nucleus Security is primarily subscription-based, offering its software as a service (SaaS). Clients pay a recurring fee to access the platform, which includes regular updates and support. The company generates revenue through these subscriptions, as well as through additional services such as consulting and custom integrations.
Nucleus Security's platform is designed to unlock value from existing security tools, enabling organizations to mature their vulnerability management programs. By providing a single source of record for all assets, vulnerabilities, and associated data, the platform helps security teams gain better visibility and control over their security posture. This is particularly valuable for large organizations with complex IT environments, where maintaining visibility and managing vulnerabilities can be challenging.
Source: Dealroom company dataKnowledge graph
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Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES COther financing | Feb 2026 | $20M | $80M | Arthur Ventures · Delta-v Capital | ↗ |
| LATE VCOther financing | Aug 2024 | $0 | — | Dcode Capital | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Nucleus is 27K monthly website visits, down 18.2% over the last three months. Nucleus's team grew 19.4% over the past year.
Open positions
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series A3 investors entered at this stage
Arthur Ventures
Lead Edge Capital
In-Q-Tel
Series B and later2 investors entered at this stage
Dcode Capital
Delta-v Capital
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Nucleus on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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