| Clue | Source | Date |
|---|---|---|
| Hacker's high point of gaff involving personnel dept? | The Times Mephisto | 23 Mar 2025 |
| Hack the phone system | ||
| Hack a phone network | ||
| Old-style hacker | New York Times | 24 Aug 2017 |
| Old-style hacker | ||
| Make a call without paying, in slang | ||
| Telephone system hacker | ||
| Make calls without paying |