| 1) |
hollow horse concealing Greeks: in Greek mythology, a hollow wooden horse that hid Greek soldiers, left at the gates of Troy. The Trojans were convinced it was a gift to Athena and dragged it inside. |
| 2) |
concealed stratagem: somebody or something that is meant to disrupt, undermine, subvert, or destroy an enemy or rival, especially somebody or something that operates while concealed within an organization |
| 3) |
destructive computer program: a computer program containing a hidden function that causes damage to other programs while appearing to perform a valid function. |
