All users which currently have 100% on a site.
| Username | Site | First Track | Master since | Track-Time | From | |
|---|---|---|---|---|---|---|
 | kumaus | try to decrypt | Nov 15, 2017 - 15:40:10 | Nov 15, 2017 - 15:40:10 | 0s | 100,00% |
 | kuroneko | RedTigers Hackit | Apr 30, 2016 - 09:42:48 | Oct 16, 2016 - 09:10:13 | 168d 23h | 0,00% |
| kuroneko | LordofSQLi | Sep 09, 2019 - 14:19:22 | Sep 09, 2019 - 14:19:22 | 0s | 100,00% |
 | kwapik | RedTigers Hackit | Feb 23, 2017 - 20:48:33 | May 04, 2017 - 17:04:12 | 69d 20h | 0,00% |
| kwapik | hax.tor.hu | Jun 17, 2016 - 18:43:24 | Feb 20, 2017 - 22:32:52 | 248d 3h | 2,00% |
| kwapik | Hacker Gateway | Apr 05, 2017 - 19:20:15 | Apr 19, 2017 - 19:26:35 | 14d 6m | 78,26% |
 | kwisatz | CSTutoringCenter | Dec 19, 2011 - 00:11:23 | Apr 11, 2012 - 15:21:49 | 114d 15h | 0,00% |
| kwisatz | IRISSCON 2012 Lost Challenges | Feb 28, 2014 - 23:33:35 | Mar 01, 2014 - 01:43:54 | 2h 10m | 0,00% |
| kwisatz | Security Override | Mar 11, 2012 - 16:29:46 | Mar 08, 2014 - 12:30:22 | 1y 361d | 0,00% |
| kwisatz | WeChall | Oct 13, 2011 - 15:36:12 | Mar 08, 2012 - 16:29:23 | 147d 53m | 0,28% |
| kwisatz | hax.tor.hu | Dec 18, 2011 - 22:52:34 | Dec 19, 2011 - 21:54:38 | 23h 2m | 16,00% |
| kwisatz | RedTigers Hackit | Mar 01, 2014 - 02:43:57 | Mar 01, 2014 - 03:03:58 | 20m 1s | 55,75% |
 | kws981024 | LordofSQLi | May 29, 2020 - 11:17:25 | May 29, 2020 - 11:17:25 | 0s | 100,00% |
| k_s | CryptoHack | Jun 24, 2023 - 15:49:19 | Jun 24, 2023 - 15:49:19 | 0s | 100,00% |
| l0g | RedTigers Hackit | Mar 27, 2020 - 10:59:14 | Mar 31, 2020 - 07:31:39 | 3d 20h | 0,00% |
| L1S0n0Day | SuNiNaTaS | Apr 24, 2012 - 12:12:04 | Apr 24, 2012 - 12:12:04 | 0s | 100,00% |
| l3st3r | WeChall | Feb 04, 2018 - 23:32:21 | May 22, 2019 - 12:09:34 | 1y 106d | 1,26% |
 | LACiA | Webhacking.kr | Mar 28, 2024 - 10:28:07 | Apr 10, 2024 - 13:34:46 | 13d 3h | 0,00% |
| LACiA | SuNiNaTaS | Mar 28, 2024 - 10:46:22 | Mar 28, 2024 - 10:46:22 | 0s | 100,00% |
| LACiA | RedTigers Hackit | Mar 28, 2024 - 11:25:05 | Mar 28, 2024 - 11:25:05 | 0s | 100,00% |
| LakyLuc | Hack The Web | Oct 14, 2025 - 21:43:42 | Oct 14, 2025 - 21:43:42 | 0s | 100,00% |
 | lavish | RedTigers Hackit | Jul 21, 2013 - 01:26:19 | Jul 23, 2013 - 02:56:35 | 2d 1h | 2,17% |
| lavish | HackThisSite | Apr 05, 2023 - 20:33:22 | Apr 05, 2023 - 20:33:22 | 0s | 100,00% |
| laxa | RedTigers Hackit | Jun 30, 2016 - 19:51:04 | Jul 22, 2016 - 00:54:40 | 21d 5h | 0,00% |
 | Lays | pwnable.kr | Jan 27, 2016 - 13:36:28 | Mar 18, 2016 - 15:56:17 | 51d 2h | 36,16% |
 | lazyidiot | hax.tor.hu | Sep 23, 2009 - 18:28:02 | Oct 29, 2009 - 05:37:04 | 35d 11h | 20,00% |
| LeaveRet | Mathchall | Dec 27, 2013 - 16:34:44 | Jan 04, 2014 - 21:51:49 | 8d 5h | 0,00% |
| LeGiON | hax.tor.hu | May 11, 2009 - 11:18:45 | Jan 29, 2012 - 17:29:34 | 2y 263d | 98,00% |
| leom | ae27ff | Aug 01, 2017 - 00:03:17 | Aug 15, 2017 - 02:52:39 | 14d 2h | 76,32% |
| leom | Hacker Gateway | Jul 25, 2018 - 18:26:53 | Jul 25, 2018 - 18:26:53 | 0s | 100,00% |
 | lia_v | try to decrypt | Feb 27, 2019 - 00:58:36 | Mar 14, 2019 - 21:12:15 | 15d 20h | 92,86% |
| Lie | RedTigers Hackit | Mar 20, 2026 - 09:43:16 | Mar 22, 2026 - 20:22:00 | 2d 10h | 0,00% |
| limelee85 | LordofSQLi | Dec 24, 2019 - 09:19:52 | Dec 24, 2019 - 09:19:52 | 0s | 100,00% |
 | limiao | RedTigers Hackit | Jul 26, 2018 - 08:36:03 | Oct 18, 2018 - 15:09:46 | 84d 6h | 2,17% |
 | linoxxis | RedTigers Hackit | Nov 14, 2017 - 20:27:02 | Nov 14, 2017 - 20:27:02 | 0s | 100,00% |
 | livinskull | Hack The Web | Feb 20, 2025 - 21:12:10 | Feb 20, 2025 - 21:12:24 | 14s | 0,00% |
| livinskull | RedTigers Hackit | Feb 24, 2025 - 14:34:13 | Mar 02, 2025 - 15:08:53 | 6d 34m | 2,17% |
| livinskull | hax.tor.hu | Oct 20, 2009 - 15:48:09 | Aug 15, 2018 - 18:15:13 | 8y 301d | 6,00% |
| livinskull | ThisisLegal.com | Jan 26, 2009 - 20:46:32 | Sep 17, 2012 - 11:56:29 | 3y 234d | 20,00% |
| livinskull | Hacker Gateway | Mar 09, 2017 - 13:07:15 | Apr 12, 2017 - 21:39:16 | 34d 8h | 77,27% |
 | LoneWolf219 | Revolution Elite | Feb 17, 2011 - 19:47:44 | Feb 17, 2011 - 19:47:44 | 0s | 100,00% |
 | longshrimp | LordofSQLi | Jun 18, 2021 - 05:57:24 | Jul 01, 2021 - 19:53:15 | 13d 13h | 4,08% |
| longshrimp | RedTigers Hackit | Jun 09, 2021 - 17:45:07 | Jun 14, 2021 - 18:26:32 | 5d 41m | 20,61% |
| lordOric | HackThisSite | Jan 20, 2009 - 09:25:08 | Apr 05, 2023 - 20:28:31 | 14y 78d | 20,80% |
| lordOric | hax.tor.hu | May 08, 2009 - 20:34:50 | Jul 06, 2010 - 14:04:17 | 1y 58d | 26,00% |
| lordOric | Yoire | May 27, 2012 - 12:06:34 | Sep 04, 2015 - 13:05:41 | 3y 100d | 55,60% |
| LouisJ | try to decrypt | Dec 09, 2021 - 23:43:06 | Oct 14, 2023 - 18:30:50 | 1y 308d | 10,71% |
| LouisJ | Hack The Web | Nov 11, 2025 - 09:09:19 | Nov 13, 2025 - 21:39:28 | 2d 12h | 97,58% |
| love0day | Security Override | May 18, 2014 - 17:36:19 | Sep 14, 2014 - 09:17:08 | 118d 15h | 0,00% |
| love0day | Defend the Web | Jun 15, 2014 - 03:45:20 | Apr 30, 2016 - 00:18:08 | 1y 319d | 0,17% |