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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 - 37064 players

Position Username Points Gold Last Validation Special Mention
101
pylessard
388 15 2017-01-14 02:01:38
102
yayctf
388 0 2018-08-15 22:49:20
103
Decay
384 11 2019-05-11 19:55:20
104
kasia-tutej
384 10 2020-09-11 11:24:59
105
falcon
384 0 2019-12-05 04:22:34
106
chl0r
380 0 2020-09-20 17:47:54
107
zerosum0x0
377 0 2020-02-05 20:05:26
108
Mister_Bert0ni
375 0 2017-06-24 15:54:59
109
techr0n
374 13 2019-01-27 05:14:40
110
uaf.io
371 8 2017-03-14 01:40:03
111
andreaf83
370 113 2018-03-05 16:57:35
112
ekse
367 7 2020-03-07 15:43:36
113
Fox1337
367 6 2020-07-30 22:09:11
114
freak_out
363 0 2017-12-16 16:40:51
115
Akorlith
361 0 2019-10-17 23:23:33
116
tanovich
358 1 2018-10-06 12:53:14
117
mnadeau
357 1 2020-05-22 15:18:56
118
Felis-Sapiens
353 0 2016-10-07 07:18:23
119
hsp
352 28 2020-03-05 12:42:04
120
bluerng
350 1 2018-04-18 06:41:41
121
stefano118
349 1 2019-04-27 21:31:10
122
_Unkn0wn_
343 9 2017-08-28 13:14:18
123
div
340 0 2019-04-15 17:01:50
124
noble
338 0 2020-09-11 17:42:06
125
Fooker
337 2 2018-04-27 16:40:49
126
dank23
334 1 2020-03-25 01:14:26
127
fatihender
332 118 2017-08-22 05:26:58
128
arthepsy
328 0 2017-11-15 17:26:50
129
wiz3kid
327 10 2019-06-01 12:31:28
130
benjamin6A
327 0 2020-02-08 01:49:44
131
HPx
325 2 2015-03-05 16:20:00
132
TyrannoKing
322 10 2015-07-20 00:13:07
133
rebe11ion
322 0 2019-05-17 23:43:13
134
nitbx
319 1 2019-01-30 01:54:01
135
baklava
319 0 2020-08-18 20:07:09
136
gsdt
316 2 2019-11-02 00:11:43
137
wszostak
314 0 2020-03-18 18:33:45
138
ts
314 0 2016-04-15 08:47:00
139
kensalt
312 0 2020-10-15 14:54:58
140
christrc
311 13 2018-08-04 12:37:18
141
d4sher
310 1 2017-11-14 04:23:07
142
colonelzombie
309 0 2018-06-12 02:37:28
143
kichung
308 0 2018-05-18 12:13:44
144
hugbed
307 91 2017-11-04 23:57:06
145
zM_
307 6 2019-06-30 09:43:34
146
jeromeS
307 2 2020-06-01 00:37:58
147
funny_guy
306 2 2020-03-04 07:38:51
148
c0l0a0f8
306 0 2020-10-03 09:26:52
149
flash2307
305 0 2020-10-06 20:22:23
150
slothy
303 1 2017-11-13 22:47:03

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2020-10-30 20:59:06 Then obfuscation is more secure 3edcxzaq1
2020-10-30 20:36:41 Hashing is more secure 3edcxzaq1
2020-10-30 20:30:36 Client side validation is bad! 3edcxzaq1
2020-10-30 19:31:19 ACL rulezzz the world. offensive4n6
2020-10-30 19:07:43 File recovery 0d4y
2020-10-30 18:39:47 Most basic SQLi pattern. offensive4n6
2020-10-30 18:25:03 Capture 1 Part 1 offensive4n6
2020-10-30 18:08:00 Brainsick Agent24-D
2020-10-30 17:18:11 Attention Dinosaure Survive offensive4n6
2020-10-30 17:17:33 Ascii Art 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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