| 摘要 |
PROBLEM TO BE SOLVED: To identify a leakage source of a hardcopy when the hardcopy is leaked.SOLUTION: A client terminal 10 receives an acquisition operation of a hardcopy, and stores a key value in a header part of the hardcopy in the case of generating the hardcopy. The client terminal 10 transmits log information related to the acquisition operation of the hardcopy to a management server 100. The management server 100 identifies a leakage source of the hardcopy having the possibility of being leaked by comparing the log information with the key value stored in the header part of the hardcopy having the possibility of being leaked in the case of receiving the hardcopy having the possibility of being leaked.SELECTED DRAWING: Figure 1 |
