Tresorit is a secure file synchronization software that uses the cloud to store encrypted data in order to make it shareable and accessible from everywhere. Tresorit is specifically designed to share confidential data of business users. Encryption is performed before the data gets uploaded to the cloud, therefore, users of Tresorit do not require to trust the cloud provider or the communication links. Encrypted content handled by Tresorit is shareable without re-encryption and sharing is reversible by permission revocation.