Information processing device, information processing method, and computer-readable recording medium

An information processing method comprising:

• receiving an input indicating selection of at least one countermeasure from a plurality of countermeasures applicable to terminals having a security risk;
• with use of terminal-specific countermeasure information indicating an applicable countermeasure for each terminal against the security risk and definition information defining a correspondence relationship between a type of operation information of the terminal and a countermeasure against the security risk, specifying a type of operation information corresponding to the countermeasure applicable to the terminal;
• acquiring operation information of the specified type, from among operation information of the terminal;
• specifying each remaining terminal that is a terminal in which the security risk remains in the case where the selected countermeasure is applied, based on the terminal-specific countermeasure information;
• based on the acquired operation information, predicting the number of remaining terminals at a future time, and predicting the number of remaining terminals at the future time in expectation of the number of countermeasure suspension days that is the number of delay days from a scheduled date of countermeasure application in the past to an actual date of countermeasure application in the past;
• and
• presenting a result of the prediction.

A non-transitory computer-readable medium recording therein a program for causing a computer to execute:

• a selection reception process of receiving an input indicating selection of at least one countermeasure from a plurality of countermeasures applicable to terminals having a security risk;
• an operation information specification process of, with use of terminal-specific countermeasure information indicating an applicable countermeasure for each terminal against the security risk and definition information defining a correspondence relationship between a type of operation information of the terminal and a countermeasure against the security risk, specifying a type of operation information corresponding to the countermeasure applicable to the terminal;
• an operation information acquisition process of acquiring operation information of the type specified in the operation information specification process, from among operation information of the terminal;
• a remaining terminal specification process of specifying each remaining terminal that is a terminal in which the security risk remains in the case where the countermeasure received in the selection reception process is applied, based on the terminal-specific countermeasure information;
• a prediction process of, based on the operation information acquired in the operation information acquisition process, predicting the number of remaining terminals at a future time, and predicting the number of remaining terminals at the future time in expectation of the number of countermeasure suspension days that is the number of delay days from a scheduled date of countermeasure application in the past to an actual date of countermeasure application in the past;
• and
• a presentation process of presenting a result of the prediction in the prediction process.