Detection method of illegal access to computer system
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United States of America Patent
Stats
-
Mar 13, 2001
Grant Date -
N/A
app pub date -
Apr 10, 1998
filing date -
Apr 11, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A detection method of an illegal access to a computer system includes a step a) of collating user identification information inputted from an input unit in one or more log-in operations with user authentication information registered in the computer system, a step b) of detecting the number of times that the identification information is not coincident with the authentication information in a series of log-in operations within a predetermined term, a step c) of obtaining final log-in information indicating whether the identification information is coincident with the authentication information or not in a final log-in operation, and a step d) of comparing the number of times in respect to the incoincidence and the final log-in information with a predetermined judgment standard to thereby detect the presence of the illegal access.
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