| Answer | Crossword Clue |
|---|---|
| ACCESSCODE | Online security feature |
| FIREWALL | Online security device |
| ALARM | Security feature |
| SEAL | Security feature |
| PEEPHOLE | Security feature |
| ONEWAYGLASS | Security feature |
| IRONGATE | Estate security feature |
| EYEHOLE | Door security feature |
| PEEPHOLE | Apartment security feature |
| LEVEE | Bank security feature |
| POWERDOORLOCK | Auto security feature |
| LEVEE | Bank security feature? |
| ECRUPEEPHOLE | Tan-colored door security feature? |
| callbacks | A security feature used by systems accessed by telephone, in which a remote user must log on using a previously registered phone number, to which the system then places a return call |
