Vulnerability and exposure management company Nucleus Security has announced raising $20 million in a Series C funding round led by Delta-v Capital.
Founded in 2018 by former US Department of Defense security experts, the Sarasota, Florida-based cybersecurity firm has raised over $86 million to date across four investment rounds.
Nucleus is building an exposure management orchestration platform that links data and action, provides context, and adapts to each organization’s environment.
Integrating security and asset data from over 200 connectors, the platform unifies business context and AI-based intelligence into a single pane, offering visibility and enabling risk prioritization and reduction.
Nucleus relies on automation to enhance customers’ vulnerability management programs. It correlates flaws with real-world threat data from multiple sources, normalizes it, maps assets to specific teams, and uses workflows for faster remediation.
According to Nucleus, its vendor-agnostic approach covers exposure across tools, users, environments, and business units, unifies context, and enables coordinated action.
The fresh investment, the company says, will help it scale operations, deepen intelligence and automation across cloud and AI-driven environments, and strengthen its platform’s long-term resilience.
“This investment reinforces what our customers already know: security teams need speed, clarity, and real outcomes, not more data. We’re helping organizations cut through the noise, prioritize the risks that matter most, and reduce exposure faster in today’s cloud and AI-driven environments,” Nucleus co-founder and CEO Steve Carter said.
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