Disclosed are a hacking monitoring method of a terminal connected to a network, a recording medium with a hacking monitoring program, and the terminal with the hacking monitoring program. The terminal according to the present invention measures an operating rate of a CPU formed in the terminal, compares the measured operating rate with a preset standard operating rate for the terminal, and displays the comparison result of the measured operating rate and the standard operating rate. According to the present invention, a hacking trail of a user computer through a network is early sensed and a hacking handling method differentiated according to the risk of the sensed hacking is automatically executed. [Reference numerals] (AA) Start; (BB) End; (S200) Set the standard operating rate of a CPU; (S210) Measure an operating rate of the CPU in real-time; (S230) Compare the measured operating rate and the standard operating rate; (S250) Calculate a comparison result value and display the comparison resu (S270) Classify and display the hacking risk; (S290) Determine a hacking handling method
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