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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.



I started this website in 2014 hosting everything in my garage (Picture here). If you like the website you can support us by making a donation. With those donations it will be possible to buy modern hardware and add new great stuff on the website that required more resources. You can find the list of users that contributed here.



The RingZer0 Team Online CTF is now proudly hosted using Claranet FR cloud service.

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 - 39377 players

Position Username Points Gold Last Validation Special Mention
51
klammydia
566 33 2021-02-15 12:03:17
52
pupsik
566 0 2020-07-30 19:46:59
53
maxenced
555 43 2017-03-08 08:01:22
54
M.tucX
553 0 2018-04-15 22:00:18
55 Agent24-D 539 84 2021-06-04 17:08:39
56
jfgauron
538 4 2019-06-25 14:45:41
57
rungekutta
536 1 2019-11-30 14:07:49
58
gorebrau
535 12 2018-03-18 13:53:40
59
ExKiller
529 3 2018-12-09 14:12:09
60
europa
525 348 2017-12-12 15:27:09
61
Barberousse
516 173 2021-01-08 14:23:19
62
minektur
512 175 2021-06-04 11:57:48
63
Shill
501 49 2019-05-14 23:49:35
64
anujkrr317
500 1 2019-02-28 17:24:35
65
ProloG-Shaman
490 4 2020-05-20 20:43:29
66
Sm4sh3r
484 0 2021-05-12 15:17:45
67
Boschko
483 29 2020-08-03 02:27:03
68
blakeks4711
482 6 2019-10-27 14:33:32
69
nospace
476 0 2019-11-29 13:48:23
70
flouflou
475 0 2021-05-04 23:02:40
71
MrBurks
472 95 2020-06-20 14:51:37
72
Varsag
472 0 2015-04-07 07:13:52
73
sarin
471 1 2018-06-14 13:30:41
74
Werclues
471 0 2021-01-21 20:18:48
75
kraken
469 19 2019-06-05 07:00:41
76
flxflndy
464 0 2019-03-03 09:43:49
77
tristan
462 0 2021-05-20 12:29:06
78
MusicLegend98
461 0 2020-10-27 14:53:51
79
SaxX
455 14 2016-02-25 12:01:04
80
CorpOfHack
452 0 2017-09-28 09:39:53
81
vcapra1
445 75 2020-08-11 15:00:27
82
MtucX
442 1 2019-03-27 14:51:50
83
salt
435 250 2019-03-24 01:07:08
84
govlog
432 1 2018-04-27 17:33:07
85
xyzzy5475
428 328 2019-09-13 13:54:40
86
solarwind
427 0 2017-07-04 02:41:01
87
Charo
423 0 2017-01-16 00:17:40
88
blablazej
419 0 2017-08-17 09:47:49
89
s7dn9y
419 0 2015-05-01 23:27:10
90
mantz
415 2 2019-09-30 02:40:59
91
carapas
411 1 2017-11-04 14:38:12
92
Radu
410 1 2019-05-11 08:58:12
93
tunelko
408 0 2017-04-25 02:46:51
94
love0day
408 0 2017-01-02 00:48:37
95
mukkul007
401 0 2020-04-22 18:52:09
96
Snider
398 5 2018-07-11 10:45:02
97
chrisdryden
398 0 2020-09-15 16:54:39
98
sambecks
391 22 2016-05-05 12:02:20
99
markmark
391 0 2018-04-23 20:31:44
100
capsl
391 0 2016-02-14 18:48:16

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2021-06-19 17:28:06 I love tea! merlinthebox
2021-06-19 17:15:00 Bash Jail 1 jbrooker.paystone
2021-06-19 16:22:29 Most Secure Crypto Algo jbrooker.paystone
2021-06-19 15:50:06 Hashing is more secure jbrooker.paystone
2021-06-19 15:49:06 Client side validation is bad! jbrooker.paystone
2021-06-19 14:57:00 Pattern is the key gdenhez
2021-06-19 12:15:38 Hashing is more secure Cata98
2021-06-19 12:11:17 Client side validation is bad! Cata98
2021-06-19 11:59:04 Hash me reloaded jell0
2021-06-19 10:35:03 Then obfuscation is more secure Xvenom

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Evil X 8 Malware Analysis
Reindeer Game 5 Reverse Engineering
Gift as a Service Part 2 2 Reverse Engineering
Gift as a Service Part 1 3 Web
Find your path 9 Cryptography


I started this website in 2014 hosting everything in my garage. If you like the website you can support us by making a donation. With those donations it will be possible to buy modern hardware and add new great stuff on the website that required more resources. You can find the list of users that contributed here.


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