Method and devices for providing secure data backup from a mobile communication device to an external computing device

摘要

A method and devices for providing secure data backup from a mobile communication device to an external computing device is described. In one embodiment, there is provided a method of backing up data from a mobile communication device to an external computing device, the mobile communication device being in communication with the external computing device, the method includes: receiving a request to backup one or more data items stored on the mobile communication device; encrypting a data item using an encryption key stored in a protected memory of the mobile communication device; and transferring the encrypted data item to the external computing device for storage by the external computing device. A method of restoring backup data to a mobile communication device from an external computing device is also provided, as are mobile communication devices and computing devices configured for implementing the backup and restore operations.

主权项

1. A method of backing up data from a mobile communication device to an external computing device, the mobile communication device being in communication with the external computing device, the method comprising:
receiving from an enterprise server an encryption key for encrypting data items during the backup of data items on the mobile communication device, the encryption key being alterable only via the enterprise server; storing the encryption key in a protected memory of the mobile communication device, the protected memory being protected from access by unauthorized applications; the mobile communication device receiving a request from an authorized application to backup one or more data items stored on the mobile communication device to the external computing device, the external computing device being physically separate from the enterprise server; the mobile communication device encrypting a data item using the encryption key stored in the protected memory of the mobile communication device; and transferring the encrypted data item from the mobile communication device to the external computing device for storage by the external computing device.