| Rating | Solver | Clue |
|---|---|---|
| INVADERS | Intruders | |
| INTERLOPERS | Intruders | |
| TRESPASSERS | Intruders | |
| HACKERS | Computer intruders | |
| BURGLARS | Unlawful intruders | |
| WATCHDOG | A dog kept to watch and guard premises or property, and to give notice of the approach of intruders. | |
| LOCK | ...he prisoners; to lock up one's silver; to lock intruders out of the house; to lock money into a vault; to lock a child in one's arms; to lock a ... | |