Nucleon Security is an endpoint detection and response (EDR) platform, headquartered in Paris, France, founded in 2019.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2025-09-14 | Seed | $3.5M | Newfund, Orange Ventures, Axian Group, LoftyInc Capital |
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.