
Nucleus Security
Track on RadarVulnerability & exposure management platform with aggregation and automation
- Total raised
- $86.1M
- Employees
- 123
- Founded
- 2018
- Momentum
- 54
Steady
Data updated July 2026
About
About Nucleus Security
At a glance
Nucleus Security is a cybersecurity company specializing in Threat & Vulnerability Management, founded in 2018 and headquartered in Sarasota, United States. It has raised $86.1M in total funding, employs about 123 people, and is privately held.
Nucleus Security provides a vulnerability and exposure management platform that aggregates, prioritizes, and automates remediation of security vulnerabilities across an organization's infrastructure. The platform unifies vulnerability data from over 160 integrated security tools and scanners into a centralized system, enabling security teams to operationalize findings from multiple sources. The company's core capabilities include vulnerability aggregation, risk-based prioritization using asset context and threat intelligence, automated remediation workflows, and asset management. The platform incorporates the Nucleus Vulnerability Intelligence Platform, which enriches vulnerability findings with real-world threat intelligence through their AI-powered Nucleus Insights Intelligence Feed. This intelligence feed provides expert-validated threat and vulnerability data to help organizations focus on the most critical exposures. Nucleus Security serves both public and private sector organizations, with specific solutions designed for federal government agencies and state, local, and education (SLED) entities. The platform supports compliance frameworks and automates Plan of Action and Milestones (POA&M) processes required for government compliance. Use cases span exposure management, risk-based vulnerability management, application security, and cloud vulnerability management across hybrid cloud environments. The platform includes an MCP Server feature that allows users to interact with vulnerability data using natural language and AI tools. Nucleus Security has been recognized as a Challenger in the 2025 Gartner Magic Quadrant for Exposure Assessment Platforms. The company operates a partner program that includes MSSPs and is available through various industry marketplaces.
Momentum
How Nucleus Security is trending
Momentum score
Score history appears once we have at least two monthly snapshots.
Pillar breakdown
Pillar breakdown locked
Growth, Market & Financial sub-scores
Valuation
What Nucleus Security is worth
Estimated valuation
Products
Nucleus Security's products
Funding
Funding history
See every round, lead investor, and the full capital stack.
Open the full profile on Mandos to see funding history.
Public markets
Stock performance
Privately held
This company isn't publicly traded. Stock performance will appear here after an IPO.
Headcount
Headcount growth
Track hiring velocity, department mix, and seniority shifts.
Open the full profile on Mandos to see headcount growth.
Jobs
Open jobs
Every live posting, hiring pace, and role-level signal.
Open the full profile on Mandos to see open jobs.
Web traffic
Digital presence
Visits trend, bounce rate, engagement, and top countries.
Open the full profile on Mandos to see digital presence.
Tech stack
Technologies
The full stack behind the product — frameworks, clouds, security.
Open the full profile on Mandos to see technologies.
M&A
Acquisitions
Every acquisition this company has made, with dates and amounts.
Open the full profile on Mandos to see acquisitions.
Reviews & sentiment
Employee & product reviews
CEO approval, culture, comp, and detailed product ratings.
Open the full profile on Mandos to see employee & product reviews.
Leadership
Full leadership team
CEO, CxOs, VPs, and every exec with roles.
Open the full profile on Mandos to see full leadership team.
Competitors
Competitive landscape
The complete competitor set with overlap and positioning.
Open the full profile on Mandos to see competitive landscape.
News
Press & news coverage
The most recent mentions, announcements, and media coverage.
Open the full profile on Mandos to see press & news coverage.
Full profile
This public profile is a snapshot
The full Mandos profile of Nucleus Securityadds funding rounds & investors, valuation estimates, headcount & hiring trends, technology stack, executive moves, and real-time monitoring.
FAQ
Frequently asked questions about Nucleus Security
When was Nucleus Security founded?▾
Nucleus Security was founded in 2018.
Where is Nucleus Security headquartered?▾
Nucleus Security is headquartered in Sarasota, United States.
How much funding has Nucleus Security raised?▾
Nucleus Security has raised a total of $86.1M in total funding.
Is Nucleus Security public or private?▾
Nucleus Security is a privately-held company.
How many employees does Nucleus Security have?▾
Nucleus Security has approximately 123 employees.