All users which currently have 100% on a site.
| Username | Site | First Track | Master since | Track-Time | From | |
|---|---|---|---|---|---|---|
 | Lubkoko | BrainQuest | Dec 29, 2010 - 18:11:56 | Apr 18, 2011 - 12:55:14 | 109d 17h | 94.44% |
 | lupa | RedTigers Hackit | Sep 24, 2018 - 23:18:01 | Sep 26, 2018 - 00:11:10 | 1d 53m | 31.45% |
 | Luthorien | Hacker Gateway | Jul 20, 2018 - 00:43:13 | Jul 25, 2018 - 18:01:20 | 5d 17h | 65.22% |
| Luthorien | RedTigers Hackit | Jul 25, 2018 - 13:04:39 | Jul 26, 2018 - 10:23:37 | 21h 18m | 0.00% |
| Luthorien | LordofSQLi | Jul 11, 2019 - 15:17:06 | Jul 23, 2019 - 14:56:38 | 11d 23h | 8.16% |
 | Luxerails | RedTigers Hackit | Jul 08, 2013 - 21:25:46 | Jul 08, 2013 - 23:15:34 | 1h 49m | 0.00% |
| Luxerails | IRISSCON 2012 Lost Challenges | Sep 25, 2013 - 13:29:27 | Mar 07, 2014 - 16:35:59 | 163d 4h | 26.28% |
| luzark | RedTigers Hackit | Mar 04, 2014 - 15:10:14 | Mar 11, 2014 - 11:24:13 | 6d 20h | 0.00% |
 | m00m00 | RedTigers Hackit | Nov 12, 2015 - 16:50:21 | Nov 27, 2015 - 07:24:16 | 14d 14h | 2.17% |
| m0ngrel | HackThisSite | Aug 08, 2014 - 10:36:02 | Apr 05, 2023 - 20:33:31 | 8y 242d | 83.98% |
| m360842 | HackThisSite | Mar 25, 2009 - 11:45:06 | Apr 05, 2023 - 20:29:54 | 14y 14d | 74.10% |
 | M4rg0 | RedTigers Hackit | Feb 07, 2015 - 01:49:39 | Feb 15, 2015 - 18:44:30 | 8d 16h | 0.00% |
| MachinaExDeo | HackThisSite | Feb 08, 2010 - 09:14:35 | Apr 05, 2023 - 20:31:03 | 13y 59d | 95.76% |
| madbat2 | IRISSCON 2012 Lost Challenges | Sep 21, 2013 - 06:05:24 | Sep 21, 2013 - 14:58:04 | 8h 52m | 80.29% |
| madbat2 | RedTigers Hackit | Oct 12, 2013 - 21:44:10 | Oct 13, 2013 - 00:11:07 | 2h 26m | 0.00% |
| madbat2 | Security Override | Jan 13, 2014 - 23:06:00 | Jan 29, 2014 - 12:43:15 | 15d 13h | 0.00% |
| madbat2 | OverTheWire.org | Aug 13, 2013 - 17:51:37 | May 04, 2014 - 23:41:18 | 264d 5h | 0.74% |
| madbat2 | Gekkó | Jun 02, 2014 - 17:30:56 | Sep 28, 2014 - 12:25:34 | 117d 18h | 7.41% |
| madbat2 | Reversing.Kr | Sep 06, 2014 - 13:05:20 | Sep 30, 2014 - 17:56:13 | 24d 4h | 0.00% |
| madbat2 | Tasteless | Sep 27, 2013 - 16:38:09 | Dec 21, 2014 - 09:52:14 | 1y 84d | 0.00% |
| madbat2 | W3Challs | Feb 05, 2014 - 20:39:57 | Jan 19, 2015 - 20:31:17 | 347d 23h | 1.30% |
| madbat2 | pwnable.kr | Sep 27, 2015 - 21:11:43 | Sep 29, 2015 - 14:18:37 | 1d 17h | 95.50% |
| maf-ia | Hacker Gateway | Mar 31, 2017 - 13:06:25 | Feb 23, 2018 - 22:09:46 | 329d 10h | 26.09% |
| makler2004 | RedTigers Hackit | Aug 10, 2013 - 12:43:30 | Aug 11, 2013 - 22:00:10 | 1d 9h | 5.42% |
| makler2004 | IRISSCON 2012 Lost Challenges | Sep 19, 2013 - 23:57:57 | Oct 08, 2013 - 22:38:03 | 18d 22h | 14.71% |
| malefeasance | Security Override | Feb 21, 2015 - 23:33:35 | Apr 27, 2015 - 19:52:23 | 64d 19h | 99.54% |
| malefeasance | Defend the Web | May 06, 2015 - 00:47:27 | May 06, 2015 - 00:47:27 | 0s | 100.00% |
| malvi | LordofSQLi | Jul 11, 2019 - 17:03:24 | Jul 11, 2019 - 17:03:24 | 0s | 100.00% |
 | mark | RedTigers Hackit | Feb 25, 2014 - 20:53:36 | Mar 05, 2014 - 22:14:16 | 8d 1h | 0.00% |
 | Mart | CSTutoringCenter | Feb 07, 2012 - 18:28:00 | Apr 11, 2012 - 18:19:08 | 63d 22h | 0.29% |
| Mart | Defend the Web | Aug 01, 2014 - 18:47:54 | Aug 01, 2014 - 21:07:11 | 2h 19m | 92.80% |
| Mart | Security Override | Sep 25, 2012 - 20:19:24 | Jan 21, 2015 - 19:26:07 | 2y 118d | 0.00% |
| Mart | Hacker Gateway | Apr 12, 2017 - 14:46:02 | Apr 12, 2017 - 14:46:02 | 0s | 100.00% |
| martek | RedTigers Hackit | Jul 15, 2013 - 23:47:43 | Jan 10, 2015 - 14:28:13 | 1y 178d | 0.00% |
| martek | CSTutoringCenter | Aug 13, 2013 - 00:57:30 | Nov 26, 2015 - 23:15:43 | 2y 105d | 0.00% |
 | Martes13 | Yoire | Jun 25, 2012 - 20:46:12 | Jun 25, 2012 - 20:46:12 | 0s | 100.00% |
| Marvolo | RedTigers Hackit | Feb 16, 2017 - 09:56:14 | Feb 16, 2017 - 22:34:10 | 12h 37m | 2.17% |
| Mastermind_X | IRISSCON 2012 Lost Challenges | Oct 08, 2013 - 01:56:37 | Oct 12, 2013 - 18:40:21 | 4d 16h | 38.69% |
| MasterRiddlez | +Ma's Reversing | Feb 01, 2010 - 10:50:38 | Feb 01, 2010 - 10:50:38 | 0s | 100.00% |
 | mathpseudo | RedTigers Hackit | Nov 27, 2013 - 20:39:53 | Jun 28, 2014 - 18:20:58 | 212d 20h | 0.00% |
| mathpseudo | Hacker Gateway | Apr 06, 2017 - 15:21:36 | Apr 06, 2017 - 15:21:36 | 0s | 100.00% |
| mathpseudo | LordofSQLi | Mar 15, 2022 - 11:32:24 | Mar 15, 2022 - 11:32:24 | 0s | 100.00% |
| mathpseudo | SuNiNaTaS | Apr 03, 2022 - 11:26:20 | Apr 03, 2022 - 11:26:20 | 0s | 100.00% |
| mathpseudo | HackThisSite | Aug 30, 2012 - 18:47:19 | Apr 05, 2023 - 20:32:48 | 10y 220d | 49.53% |
| matrixman | +Ma's Reversing | Feb 17, 2012 - 07:54:26 | Feb 17, 2012 - 07:54:26 | 0s | 100.00% |
| matrixman | Electrica | Feb 17, 2012 - 07:54:40 | Feb 17, 2012 - 07:54:40 | 0s | 100.00% |
| matrixman | TheBlackSheep | Feb 17, 2012 - 07:55:22 | Feb 17, 2012 - 07:55:22 | 0s | 100.00% |
| matrixman | Mod-X | Jan 13, 2015 - 22:19:13 | Jan 13, 2015 - 22:19:13 | 0s | 100.00% |
| matrixman | Disavowed.net | Jan 17, 2015 - 11:46:12 | Jan 17, 2015 - 11:46:12 | 0s | 100.00% |
| mattoufoutu | RedTigers Hackit | Mar 05, 2014 - 00:48:13 | Mar 11, 2014 - 03:33:10 | 6d 2h | 0.00% |