Patent ID: 8056143

Claim:
A method, the method comprising: determining an authorization level selected from a plurality of authorization levels for a command issuer at a server, the command issuer being associated with one of said plurality of authorization levels, each one of the plurality of authorization levels permitting issuance of a securing command; issuing the command comprising an indicator of said authorization level from the server; receiving said command at a client device; determining, using a corresponding predefined rule stored at the client device and associated with said authorization level indicated by said indicator, which of a plurality of data types at the client device is to be secured, said corresponding predefined rule comprising a value indicating each of the plurality of data types to be secured in response to a received command; and securing, at the client device, the data corresponding to each of the plurality of data types thus determined by: setting a flag at the client device, the flag comprising a subset value for said each of the plurality of data types, the subset value indicating whether the data of that data type is to be secured, checking each of the subset values of the flag, and carrying out a securing operation if the subset value indicates that the data of that data type is to be secured, and after each of the subset values has been checked, resetting the subset values to indicate that no further securing operation is to be carried out.