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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 Slack Channel. https://ringzer0team.slack.com

Join the slack

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 - 34450 players

Position Username Points Gold Last Validation Special Mention
sagefault
1389 134 2020-04-04 00:13:26
Corb3nik
1333 5 2020-01-03 08:59:58
jusb3
1237 7 2019-09-09 18:41:34
4
Towel
1219 684 2020-01-22 05:40:26
5
stamparm
1201 0 2018-09-25 11:21:27
6
Freddrickk
1174 17 2020-03-22 15:10:12
7
mbergeron
1129 202 2020-02-05 21:20:10
8
an0n
1129 11 2017-08-20 17:04:56
9
cyberguru
1067 0 2019-08-11 07:43:52
10
HoLyVieR
1047 97 2020-02-03 13:51:17
11
nic-lovin
1021 3 2020-02-10 22:06:58
12
fLink
1018 2 2019-11-13 14:37:57
13
GuilT
1009 117 2019-08-09 23:04:53
14
dinus
1009 4 2020-01-30 09:47:54
15
killer2
1005 311 2018-10-29 12:29:39
16
Sideni
976 17 2020-03-16 15:31:43
17
acormier
946 90 2019-10-28 02:24:55
18
allfro
911 0 2019-11-18 14:38:51
19
dysleixa
886 62 2019-06-25 02:18:28
20
garigouster
872 791 2017-06-05 09:19:11
21
alxbl
864 74 2020-01-29 23:49:17
22
lolwut
777 0 2018-01-18 12:58:24
23
fffroze
761 1 2019-11-03 15:59:22
24
snowscan
759 10 2020-03-23 14:51:23
25
marcS0H
713 1 2019-11-11 16:17:16
26
fob
713 0 2019-10-31 17:58:19
27
yehuju
708 0 2020-03-07 02:02:53
28
becojo
704 3 2019-09-04 18:22:18
29
nopernik
680 220 2019-03-17 23:28:09
30
davidlebr1
677 105 2020-02-10 11:37:07
31
madbat2
665 0 2015-06-15 15:37:39
32
destiny
664 0 2019-08-02 20:13:10
33
turksec
639 8 2017-01-31 06:56:54
34
sulliedeclat
624 1 2019-11-26 01:44:50
35
marlo
614 0 2016-12-12 06:53:58
36
madness
613 517 2020-02-24 16:22:49
37
Kileak
611 26 2018-02-23 15:37:57
38
dloser
603 0 2016-05-03 15:48:08
39
Pourliver
600 0 2019-10-17 11:10:06
40
rootkitg
597 0 2020-02-21 15:50:44
41
xeksec
581 1 2016-10-24 00:59:48
42
lixtelnis
569 6 2020-02-09 15:37:07
43
pupsik
561 0 2019-02-23 22:55:15
44
maxenced
555 43 2017-03-08 08:01:22
45
theindian
553 426 2020-03-15 11:12:36
46
M.tucX
553 0 2018-04-15 22:00:18
47
Laish
550 203 2019-11-12 06:08:07
48
jfgauron
538 4 2019-06-25 14:45:41
49
rungekutta
536 1 2019-11-30 14:07:49
50
gorebrau
535 12 2018-03-18 13:53:40

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2020-04-05 21:35:52 Classic Sudoku t0n1c
2020-04-05 19:37:19 Crypto Object gdenhez
2020-04-05 18:48:40 Number game t0n1c
2020-04-05 17:09:35 We got breached GeenStack
2020-04-05 16:29:23 Crack Me 1 tihanyin
2020-04-05 16:21:52 Random Login Form Abdull-ah
2020-04-05 15:40:59 Some martian message kc2321
2020-04-05 15:16:37 Then obfuscation is more secure kc2321
2020-04-05 15:10:07 Windows x86 reversing is cool tihanyin
2020-04-05 15:04:48 Xor me if you can t0n1c

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Ping It! 7 Web
Super Lottery Reloaded 7 Web
I love tea! 4 Reverse Engineering
Homemade craptography #2 7 Cryptography
Lost API 5 Web


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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