NordLocker is a file-encryption and cloud storage service from Nord Security, the group behind NordVPN. Files are kept in encrypted vaults, also called lockers, which can stay local or be synced across devices through NordLocker's cloud. Encrypted files can be shared through links protected by a code. Apps exist for Windows, Android and iOS, and the service can be used in a browser. NordLocker describes its design as zero-knowledge: items are encrypted on the device when they are added, using algorithms such as AES-256 and xChaCha20-Poly1305.
NordLocker is part of Nord Security, a group with offices in Lithuania, the United Kingdom, Panama and the Netherlands. The NordLocker pages consulted do not state in which country or data centres the cloud data is stored, or which legal entity operates the service. No open-source or self-hosted variant is described. European organisations should ask the vendor for this information before using the service for data subject to EU law.