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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 - 37057 players

Position Username Points Gold Last Validation Special Mention
sagefault
1475 146 2020-10-20 23:05:41
Corb3nik
1405 2 2020-09-21 17:53:36
jusb3
1302 0 2020-09-29 05:04:41
4
Freddrickk
1244 17 2020-10-30 00:02:53
5
Towel
1226 684 2020-10-23 23:21:21
6
mbergeron
1208 210 2020-09-10 16:44:37
7
stamparm
1201 0 2018-09-25 11:21:27
8
an0n
1129 11 2017-08-20 17:04:56
9
cyberguru
1108 2 2020-09-18 09:29:56
10
nic-lovin
1068 8 2020-09-09 17:36:04
11
HoLyVieR
1047 97 2020-02-03 13:51:17
12
dinus
1044 5 2020-08-02 02:04:58
13
alxbl
1034 74 2020-07-24 10:37:29
14
acormier
1023 95 2020-08-18 20:07:53
15
Sideni
1020 17 2020-10-24 22:40:51
16
fLink
1018 2 2019-11-13 14:37:57
17
GuilT
1009 117 2019-08-09 23:04:53
18
killer2
1005 311 2018-10-29 12:29:39
19
allfro
947 0 2020-06-21 19:17:28
20
dysleixa
894 59 2020-05-11 09:36:18
21
garigouster
872 791 2017-06-05 09:19:11
22
nopernik
832 158 2020-09-16 13:00:24
23
fffroze
779 11 2020-09-02 14:56:26
24
snowscan
778 17 2020-06-09 21:51:44
25
lolwut
777 0 2018-01-18 12:58:24
26
destiny
758 4 2020-08-23 17:18:52
27
fob
756 4 2020-10-04 18:03:47
28
yehuju
735 0 2020-09-05 04:09:06
29
becojo
723 3 2020-10-27 09:54:28
30
marcS0H
718 1 2020-05-18 23:57:34
31
theindian
702 569 2020-10-10 09:31:38
32
davidlebr1
683 105 2020-08-25 23:06:15
33
madbat2
665 0 2015-06-15 15:37:39
34
pwndre
643 42 2020-06-05 00:19:47
35
marlo
643 0 2020-09-24 01:21:59
36
turksec
639 8 2017-01-31 06:56:54
37
rootkitg
634 0 2020-06-21 20:05:30
38
lixtelnis
628 3 2020-09-26 17:12:09
39
watchdog
625 41 2020-08-30 06:58:07
40
sulliedeclat
624 1 2019-11-26 01:44:50
41
Pourliver
618 0 2020-06-29 22:29:23
42
madness
613 517 2020-02-24 16:22:49
43
Kileak
611 26 2018-02-23 15:37:57
44
dloser
603 0 2016-05-03 15:48:08
45
marcan2020
594 18 2020-10-22 22:41:01
46
tihanyin
588 93 2020-07-27 14:43:12
47
xeksec
581 1 2016-10-24 00:59:48
48
Laish
580 194 2020-09-05 16:59:28
49
FadedForEver
569 5 2020-06-16 02:29:45
50
pupsik
566 0 2020-07-30 19:46:59

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2020-10-30 14:35:22 I made a dd of Agent Smith usb key offensive4n6
2020-10-30 14:20:37 Who I am part 2 offensive4n6
2020-10-30 13:59:01 Hash me please offensive4n6
2020-10-30 13:11:19 Poor internet connection ai
2020-10-30 13:07:53 Poor internet connection Anthropomorphismus
2020-10-30 12:43:16 Hash breaker V5November
2020-10-30 12:28:35 Ask your grandpa again! V5November
2020-10-30 12:14:46 I hate mathematics V5November
2020-10-30 12:04:04 Hash me reloaded V5November
2020-10-30 11:33:31 Ask your grandpa! V5November

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Guess the number 6 Cryptography
UploadStar Reloaded 5 Web
UploadStar 3 Web
SSO Service 4 Cryptography
Space Invaders 4 Reverse Engineering


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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