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RingZer0 Team Online CTF

RingZer0 Team's online CTF offers you tons of challenges designed to test and improve your hacking skills through hacking challenges. Register and get a flag for every challenge.



The RingZer0 Team Online CTF is now proudly hosted by NorthSec.

Chat / Questions / Help

You'll find all what you need in the Discord Server.

Join the Discord now!

Challenges

Currently more than 300 challenges are available over 15 categories. Have fun resolving them.

View challenges »

Register

Your first time here? First step register an account, that way you will be able to login and start solving challenges.

Register »


Want to become certified RCEH?

Super simple get at least 1000 points and you will receive your official badge and certification. The RingZer0 Certified Elite Hacker (RCEH) certification is a highly technical certification. Anyone holding the RCEH title is a highly skilled hacker.

Once you get your RCEH title you can proudly use the certified logo and show to the rest of the world that you successfully managed to solve several hacking challenges on the RingZer0 CTF.


Scoreboard - 42463 players

Position Username Points Gold Last Validation Special Mention
51
dloser
606 0 2016-05-03 15:48:08
52
klammydia
590 33 2022-06-02 20:03:18
53
tihanyin
588 87 2020-07-27 14:43:12
54
xeksec
581 1 2016-10-24 00:59:48
55
FadedForEver
569 5 2020-06-16 02:29:45
56
pupsik
566 0 2020-07-30 19:46:59
57
maxenced
553 23 2017-03-08 08:01:22
58
M.tucX
553 0 2018-04-15 22:00:18
59
jfgauron
538 4 2019-06-25 14:45:41
60
gorebrau
535 12 2018-03-18 13:53:40
61
rungekutta
535 1 2019-11-30 14:07:49
62
ExKiller
529 3 2018-12-09 14:12:09
63
gdenhez
526 351 2022-06-24 23:28:24
64
europa
525 348 2017-12-12 15:27:09
65
Barberousse
516 167 2021-01-08 14:23:19
66
Shill
501 49 2019-05-14 23:49:35
67
anujkrr317
500 1 2019-02-28 17:24:35
68
Sm4sh3r
498 0 2021-08-27 08:56:48
69
MusicLegend98
494 8 2022-05-12 02:19:16
70
tristan
486 0 2022-06-08 19:28:53
71
Boschko
483 29 2020-08-03 02:27:03
72
blakeks4711
482 6 2019-10-27 14:33:32
73
ProloG-Shaman
479 1 2020-05-20 20:43:29
74
nospace
476 0 2019-11-29 13:48:23
75
privat
475 18 2022-05-28 20:48:47
76
flouflou
475 0 2021-05-04 23:02:40
77
MrBurks
472 95 2020-06-20 14:51:37
78
sarin
471 1 2018-06-14 13:30:41
79
Werclues
471 0 2021-01-21 20:18:48
80
hsp
470 25 2022-07-03 21:55:55
81
kraken
466 19 2019-06-05 07:00:41
82
Varsag
466 0 2015-04-07 07:13:52
83
flxflndy
464 0 2019-03-03 09:43:49
84
CorpOfHack
452 0 2017-09-28 09:39:53
85
chl0r
447 0 2021-12-15 18:16:41
86
vcapra1
445 75 2020-08-11 15:00:27
87
SaxX
444 14 2016-02-25 12:01:04
88
MtucX
442 1 2019-03-27 14:51:50
89
salt
435 250 2019-03-24 01:07:08
90
xyzzy5475
428 328 2019-09-13 13:54:40
91
govlog
427 1 2018-04-27 17:33:07
92
solarwind
425 0 2017-07-04 02:41:01
93
Charo
422 0 2017-01-16 00:17:40
94
blablazej
421 0 2022-01-30 19:16:04
95
chrisdryden
419 0 2021-11-21 17:47:32
96
s7dn9y
417 0 2015-05-01 23:27:10
97
Radu
416 1 2021-08-17 02:38:30
98
mantz
415 2 2019-09-30 02:40:59
99
carapas
411 1 2017-11-04 14:38:12
100
love0day
408 0 2017-01-02 00:48:37

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2022-07-04 23:54:40 Headache puls3
2022-07-04 23:53:14 Looking for password file puls3
2022-07-04 23:52:20 Big Brother is watching puls3
2022-07-04 23:49:37 Words mean something? puls3
2022-07-04 23:38:40 Bash Jail 5 puls3
2022-07-04 23:38:23 Bash Jail 4 puls3
2022-07-04 23:02:20 Hashing is more secure hirntod
2022-07-04 23:01:13 Client side validation is bad! hirntod
2022-07-04 22:56:50 Headache hirntod
2022-07-04 22:50:10 Hashing is more secure dj232

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Farmer Search (3/3) 4 NSEC 2021
Farmer Search (2/3) 2 NSEC 2021
Farmer Search (1/3) 3 NSEC 2021
Reading Through the Cloud 4 NSEC 2021
Crapto Century 3 NSEC 2021


Charles F. Hamilton started RingZer0 website in 2014 by hosting everything in his own garage (Picture here). You can find the list of users that contributed over the years here.


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