How much funding has Nucleon Security raised?

Nucleon Security has raised $3.51M in total. Its most recent round was a Seed in September 2025.

How many people work at Nucleon Security?

About 38, up 3% over the last 30 days.

Who are Nucleon Security's competitors?

Cybereason, SentinelOne, and Emsisoft are among the closest in Endpoint Security. The full competitive set, with overlap scoring, is in the platform.

Nucleon Security

Endpoint SecurityParis, Francefounded 2019private

Nucleon Security is a cybersecurity company specializing in Endpoint Security, founded in 2019 and headquartered in Paris, France. It has raised $3.51M in total funding, employs about 38 people, and is privately held.

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updated Aug 22, 2026

The record

What Nucleon Security did, dated.

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
Sep 2025Funding roundNucleon Security raises $3.5 million to scale AI-driven cybersecurity solutions

Momentum

47 out of 100.

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Products

What Nucleon Security sells.

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Endpoint Security

FAQ

Common questions about Nucleon Security.

How much funding has Nucleon Security raised?: Nucleon Security has raised $3.51M in total. Its most recent round was a Seed in September 2025.
How many people work at Nucleon Security?: About 38, up 3% over the last 30 days.
Who are Nucleon Security's competitors?: Cybereason, SentinelOne, and Emsisoft are among the closest in Endpoint Security. The full competitive set, with overlap scoring, is in the platform.