POLICY GROUP BASED FILE PROTECTION SYSTEM, FILE PROTECTION METHOD THEREOF, AND COMPUTER READABLE MEDIUM

摘要

A policy group based file protection method is provided and includes the following steps. A file management driver is executed on the client device of the client. The identity data associated with a client is transmitted to the server when connection between the client and the server is established. The server determines whether the client belongs to a policy group according to the identity data. When the server determines that the client belongs to a policy group, the server transmits a certificate of the policy group to the client device. When the file management driver detects a request for executing a file open procedure, the file management driver determines whether to allow a file access application executing the file open procedure and opening the file based on the certificate received, wherein the request is executed by the file access application installed in the client device.

主权项

1. A policy group based file protection method, adapted for a file protection system, which is used to have at least one client connecting to a server through an internet, and to protect a file, the file protection method comprising:
executing a file management driver on a client device associated with the client; establishing a connection between the client device and the server, and transmitting an identity data of the client to the server, wherein the identity data comprises of an account data of the client and a device identification data of the client device; the server determining whether the client belongs to a policy group according to the identity data; when the server determines that the client belongs to the policy group, the server transmits a certificate corresponding to the policy group to the client device; and when the file management driver of the client device detects a request from a file access application installed in the client device, for executing a file open procedure and opening the file, the file management driver determines whether to allow the file access application to execute the file open procedure and accessing the file based on the certificate received.