Nucleon EDR is a French endpoint detection and response platform from Nucleon Security, headquartered in Paris. It follows a zero-trust principle: an agent checks system events at process, network and data level and adapts hardening rules to the environment. Features include network traffic analysis, process investigation, machine-learning detection of unknown malware and ransomware, vulnerability management, and remediation with rollback. The vendor also offers XDR and a managed MDR service. Windows (including Server), macOS and the major Linux distributions are supported. According to the vendor, it can be deployed as SaaS, on-site or air-gapped.
The headquarters is in Paris, France, and no foreign parent is stated. The website names no hosting location for the SaaS variant and publishes no data processing terms, so ask where data is stored. With the on-site and air-gapped variants, data can stay in your own environment, so the organisation itself decides where it is held and who has access to it.