1. A data system, comprising a secured appliance adapted to provide access to data; and a remote control adapted to communicate with the secured appliance; wherein the secured appliance is provided with a decryption key that is complimentary to an encryption key provided to the remote control, the encryption key being used to encrypt at least a part of a data frame transmitted by the remote control to the secured appliance which data frame comprises data for commanding an operation of the secured appliance.