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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 - 38842 players

Position Username Points Gold Last Validation Special Mention
101
ramza500
390 19 2018-05-27 00:27:46
102
mikejam
390 0 2020-10-21 11:23:58
103
pylessard
388 15 2017-01-14 02:01:38
104
yayctf
388 0 2018-08-15 22:49:20
105
Decay
384 11 2019-05-11 19:55:20
106
kasia-tutej
384 10 2020-09-11 11:24:59
107
falcon
384 0 2019-12-05 04:22:34
108
chl0r
380 0 2020-09-20 17:47:54
109
zerosum0x0
377 0 2020-02-05 20:05:26
110
Mister_Bert0ni
375 0 2017-06-24 15:54:59
111
techr0n
374 13 2019-01-27 05:14:40
112
uaf.io
371 8 2017-03-14 01:40:03
113
andreaf83
370 113 2018-03-05 16:57:35
114
ekse
367 7 2020-03-07 15:43:36
115
Fox1337
367 6 2020-07-30 22:09:11
116
freak_out
363 0 2017-12-16 16:40:51
117
Akorlith
361 0 2019-10-17 23:23:33
118
tanovich
358 1 2018-10-06 12:53:14
119
mnadeau
357 1 2020-05-22 15:18:56
120
hsp
354 28 2020-12-06 17:21:23
121
Felis-Sapiens
353 0 2016-10-07 07:18:23
122
bluerng
350 1 2018-04-18 06:41:41
123
noble
350 0 2021-04-17 01:33:00
124
stefano118
349 1 2019-04-27 21:31:10
125
_Unkn0wn_
343 9 2017-08-28 13:14:18
126
div
340 0 2019-04-15 17:01:50
127
Fooker
337 2 2018-04-27 16:40:49
128
kensalt
337 0 2021-02-04 14:59:04
129
flash2307
335 0 2021-03-16 21:19:00
130
jeromeS
334 2 2020-12-06 22:16:35
131
dank23
334 1 2020-03-25 01:14:26
132
fatihender
332 118 2017-08-22 05:26:58
133
arthepsy
328 0 2017-11-15 17:26:50
134
wiz3kid
327 10 2019-06-01 12:31:28
135
benjamin6A
327 0 2020-02-08 01:49:44
136
HPx
325 2 2015-03-05 16:20:00
137
TyrannoKing
322 10 2015-07-20 00:13:07
138
rebe11ion
322 0 2019-05-17 23:43:13
139
nitbx
319 1 2019-01-30 01:54:01
140
baklava
319 0 2020-08-18 20:07:09
141
Cyberslash17
318 4 2021-04-11 21:32:40
142
gsdt
316 2 2019-11-02 00:11:43
143
wszostak
314 0 2020-03-18 18:33:45
144
ts
314 0 2016-04-15 08:47:00
145
christrc
311 13 2018-08-04 12:37:18
146
gdenhez
310 194 2021-02-21 17:51:49
147
d4sher
310 1 2017-11-14 04:23:07
148
colonelzombie
309 0 2018-06-12 02:37:28
149
kichung
308 0 2018-05-18 12:13:44
150
hugbed
307 91 2017-11-04 23:57:06

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2021-04-21 10:08:12 Victor you're hidding me something Kray
2021-04-21 10:07:54 Victor you're hidding me something hagish
2021-04-21 10:05:47 You're lost? Use the map hagish
2021-04-21 10:05:30 You're lost? Use the map Kray
2021-04-21 08:46:14 Big Brother is watching PaPaEmuratus
2021-04-21 08:14:20 Dr. Pouce Qing
2021-04-21 07:34:53 Hash me please Qing
2021-04-21 07:25:04 Words mean something? Nik
2021-04-21 07:18:58 Login portal 2 Qing
2021-04-21 07:12:45 Headache Nik

The latest write-up with special mention


The latest challenges added

Challenge Points Category
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
This malware excels Part 4 5 Malware Analysis


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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