A mobile terminal comprising: a case capable of being assembled or disassembled; a printed circuit board (PCB, 140) arranged in the case and having a tamper detection pattern, the tamper detection pattern having a plurality of conductive areas and at least one non-conductive area; a conductive area connection unit arranged between the case and the PCB and electrically connecting a part of the conductive areas during assembly of the case and electrically disconnecting the part of the conductive areas during disassembly of the case; and a conductive area connection detection circuit electrically connected to the conductive areas and detecting an electric connection state between the conductive areas, characterized in that wherein the conductive areas comprises: a first conductive area; a plurality of second conductive areas (122, 123, 124, 125) arranged to be separated from one another along a circumference of the first conductive area around an imaginary center of the first conductive area and connected to the first conductive area via the conductive area connection unit; and a third conductive area, at least a part of which is arranged between the second conductive areas and, wherein the third conductive area comprises: a first non-contact portion arranged between the plurality of second conductive areas (122, 123, 124, 125); a second non-contact portion arranged close to the first conductive area and between the non-conductive areas; and a third non-contact portion arranged at a position separated from the first conductive area farther than the first non-contact portion. a case capable of being assembled or disassembled; a printed circuit board (PCB, 140) arranged in the case and having a tamper detection pattern, the tamper detection pattern having a plurality of conductive areas and at least one non-conductive area; a conductive area connection unit arranged between the case and the PCB and electrically connecting a part of the conductive areas during assembly of the case and electrically disconnecting the part of the conductive areas during disassembly of the case; and a conductive area connection detection circuit electrically connected to the conductive areas and detecting an electric connection state between the conductive areas, characterized in that wherein the conductive areas comprises: a first conductive area; a plurality of second conductive areas (122, 123, 124, 125) arranged to be separated from one another along a circumference of the first conductive area around an imaginary center of the first conductive area and connected to the first conductive area via the conductive area connection unit; and a third conductive area, at least a part of which is arranged between the second conductive areas and, a first conductive area; a plurality of second conductive areas (122, 123, 124, 125) arranged to be separated from one another along a circumference of the first conductive area around an imaginary center of the first conductive area and connected to the first conductive area via the conductive area connection unit; and a third conductive area, at least a part of which is arranged between the second conductive areas and, wherein the third conductive area comprises: a first non-contact portion arranged between the plurality of second conductive areas (122, 123, 124, 125); a second non-contact portion arranged close to the first conductive area and between the non-conductive areas; and a third non-contact portion arranged at a position separated from the first conductive area farther than the first non-contact portion. a first non-contact portion arranged between the plurality of second conductive areas (122, 123, 124, 125); a second non-contact portion arranged close to the first conductive area and between the non-conductive areas; and a third non-contact portion arranged at a position separated from the first conductive area farther than the first non-contact portion.