ຄໍາ​ແນະ​ນໍາ​ທີ່​ເຊື່ອງ​ໄວ້​ພາຍ​ໃນ​ໂປລແກມ​ຄອມ​ພິວ​ເຕີ​ແລະ​ຖືກ​ອອກ​ແບບ​ເພື່ອ​ເຮັດ​ໃຫ້​ເກີດ​ຄວາມ​ຜິດ​ພາດ​ຫຼື​ທໍາ​ລາຍ​ຂໍ້​ມູນ​.

instructions that are hidden within a computer program and are designed to cause faults or destroy data.