| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an information leakage prevention system preventing occurrence of information leakage from a client terminal when using a file including secret information in the client terminal. <P>SOLUTION: This information leakage prevention system has: a preprocessing screen information extraction part extracting preprocessing screen information of the file from a display information storage device when detecting operation to open the file in the client terminal; a screen information analysis part extracting character information included in the preprocessing screen information; a specific information storage part; a decision part deciding whether or not the character information according with specific information stored in the specific information storage part is present in the extracted character information; a display change processing part performing prescribed display change processing about a prescribed area including the character information according with the specific information to generate postprocessing screen information and to make the display information storage device store it; and a postprocessing screen information display part making a display device display the postprocessing screen information stored in the display information storage device. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
