| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a data security system, a data security apparatus and a data security method using a USB device. <P>SOLUTION: The data security system is disclosed for maintaining security for files made while application programs installed in a local computer are used. The data security system comprises: a local computer having the various kinds of application programs installed therein in particular and performing various works by executing the installed various kinds of application programs; and the USB device connected to the local computer via a USB communicating means, wherein, when the USB device is connected to the local computer, a predetermined program is automatically installed into the local computer, and the automatically-installed security program performs a security service for works in the local computer. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
