| Clue | Source | Date |
|---|---|---|
| 404 Not Found, for one | Universal | 26 Mar 2026 |
| 403 Forbidden, e.g. | USA Today | 15 Aug 2025 |
| 403 Forbidden, for example | USA Today | 28 Oct 2024 |
| Clue for the IT department | Wall Street Journal | 07 Sep 2024 |
| 404 Not Found, e.g | New York Times | 06 Mar 2020 |