| 摘要 |
<p>This invention concerns the system that is, for example, used to monitor information leakage. This invention can be used in a security system. The present invention is directed to store the change in an output screen as still images and sequentially displays them as screen images. In a system of the present invention, a plurality of terminals are monitored remotely by a monitoring/managing apparatus via a network. The terminal comprises an index data creation means, a difference data creation means, and a compression means. The monitoring/managing apparatus comprises a communication means, a picture-recording file creation means, a picture-recording file updating means, and a playback means. In addition, the index data creation means and the difference data creation means start processing based on an operation request.</p> |
