Injustice detecting system, injustice detecting device and injustice detecting method

An injustice detecting device, comprising:

• a history storing unit which stores operation history information of a monitored device;
• an audit information disclosing unit which discloses audit information including at least information which indicates that an audit for detecting an injustice;
• and
• an injustice detecting unit which detects an injustice on the basis of pre-disclosure operation history information corresponding to said operation history information before a time when said audit information is disclosed, and post-disclosure operation history information corresponding to said operation history information after the time when said audit information is disclosed.

An injustice detecting method which an injustice detecting device executes, comprising:

• storing operation history information of a monitored device;
• disclosing audit information including at least information which indicates that an audit for detecting an injustice;
• and
• detecting an injustice on the basis on pre-disclosure operation history information corresponding to said operation history information before a time when said audit information is disclosed, and post-disclosure operation history information corresponding to said operation history information after the time when said audit information is disclosed.

An injustice detecting system, comprising:

• a history storing means for storing operation history information of a monitored device;
• an audit information disclosing means for disclosing audit information including at least information which indicates that an audit for detecting an injustice;
• and
• an injustice detecting means for detecting an injustice on the basis of pre-disclosure operation history information corresponding to said operation history information before a time when said audit information is disclosed, and post-disclosure operation history information corresponding to said operation history information after the time when said audit information is disclosed.