Method, secure device, system and computer program product for securely managing files

A computer readable storage medium tangibly embodying a computer readable program code having computer readable instructions which, when implemented, cause a computer to carry out the steps of a method comprising:

• providing a secure device, wherein the secure device is protected by design against malicious software or malware and adapted to establish a connection to a server, via a host connected to the server through a telecommunication network;
• and
• upon receiving a request for using a file stored on the secure device, processing the request at the secure device according to an updated use permission associated to the file,
• wherein the updated use permission is obtained by:
• instructing, at the secure device to establish a connection between the secure device and the server, via the host;
• and
• updating, at the secure device, a use permission associated to the file, according to permission data sent from the server through the established connection.