
Nucleon Security
Nucleon Security is a cybersecurity company specializing in Endpoint Security, founded in 2019 and headquartered in Paris, France. It has raised $3.51M in equity across 1 priced round, employs about 38 people, and is privately held.
updated Sep 12, 2026
Latest Nucleon Security news and company activity
What Nucleon Security did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026Product launchNucleon Security lance ATOM AI, une plateforme d'IA agentique
- Apr 2026RecognitionNucleon Security LinkedIn Post on EDR and Tech Sovereignty
- Sep 2025RecognitionNucleon Security Selected as Laureate of the France 2030 Export Program
- Sep 2025Funding roundNucleon Security raises $3.5 million to scale AI-driven cybersecurity solutions
Nucleon Security Momentum score
47/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Nucleon Security funding
Nucleon Security has raised $3.51M in priced equity. Its most recent round was a Seed in September 2025.
- Equity raised
- $3.51M1 priced round
- Last round
- SeedSep 2025
Nucleon Security employees and hiring
Nucleon Security has about 38 employees, up 3% over the last 30 days.
- Employees
- 38
- 30-day change
- +3%
- Open roles
- 0
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security



