SECURE
| Date | Clue |
|---|---|
| 2026-02-13 | Guarded |
| 2025-12-13 | Obtain |
| 2023-06-05 | Password-protected, say |
| 2020-12-09 | Fix in place |
| 2020-09-07 | Like passwords, one hopes |
| 2018-03-14 | Impervious to hackers |
| 2015-12-17 | Make fast |
| 2011-05-14 | Encrypted, perhaps |
| 2009-12-03 | Lock up |
| 2008-05-28 | Nail down |
| 2007-07-22 | Safe |
| 2007-04-08 | Land |
| 2004-03-10 | Batten down |
| 1994-03-04 | Bolt down |