File management system, device, program, and computer readable recording medium where its program is recorded

Abstract

The invention provides a file management system and device. Provided are a file data storage unit (22) for storing file data of a file, a management information storage unit (23) for associating management information to identify the file with the file data and storing them, a control information storage unit (24) for storing control information about a block target file a predetermined specific process of which is performed, a management information obtaining unit (25) for obtaining the management information stored in the management information storage unit (23), a control information obtaining unit (26) for obtaining the control information stored in the control information storage unit (24), and an execution unit (27) for performing the specific process of the file data associated withthe management information when the management information obtained by the management information obtaining unit (25) corresponds to the control information obtained by the control information obtaining unit (26). Therefore, it is restricted that an important file whose distribution is inhibited is spread over a network.

Description

technical field [0001] The present invention relates to a technique for managing files, for example, relates to the management of important files suitable for circulation on networks such as the Internet, Intranet, Extranet, and LAN (Local Area Network) that should be restricted. technology used in the case. Background technique [0002] Generally, files composed of digital data such as documents, images, video, and audio can be easily transferred between a plurality of computers connected to a network such as the Internet, an intranet, an extranet, or a LAN (Local Area Network). exchange. [0003] Such documents may include important documents that are highly confidential such as personal information and should be restricted from being circulated on the Internet (hereinafter referred to as confidential documents), and it is necessary to prevent the spread of such confidential documents on the Internet. (flow and leak). [0004] Therefore, various methods for preventing t...

AI Technical Summary

Problems solved by technology

[0009] However, in the above-mentioned Patent Documents 1 and 2, when a confidential document is leaked on the network due to the user's negligence or intention, the diffusion of the confidential document on the network cannot be prevented. Confidential documents, as to whether they are actually deleted, we have to trust the other party

[0010] In addition, in the case of using a defense system such as a firewall, although the intrusion of illegal programs such as viruses can be prevented, the spread of confidential files that do not contain illegal programs on the network cannot be prevented.

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