Switch to lite version Switch to dark theme

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.



The RingZer0 Team Online CTF is now proudly hosted by NorthSec.

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 - 43312 players

Position Username Points Gold Last Validation Special Mention
sagefault
1647 168 2022-06-09 22:00:06
jusb3
1636 5 2022-04-13 14:01:59
dysleixa
1457 58 2022-07-07 19:08:41
4
Corb3nik
1437 2 2022-03-12 18:34:33
5
Sideni
1380 1 2022-07-17 21:39:25
6
Towel
1265 677 2022-02-12 17:00:58
7
Freddrickk
1242 17 2020-10-30 00:02:53
8
mbergeron
1218 196 2022-02-14 12:04:48
9
stamparm
1194 0 2018-09-25 11:21:27
10
cyberguru
1176 0 2022-03-20 15:48:01
11
an0n
1124 6 2017-08-20 17:04:56
12
acormier
1121 87 2022-04-12 06:25:59
13
nic-lovin
1121 2 2022-04-12 23:28:47
14
dinus
1082 4 2021-01-16 11:09:32
15
theindian
1056 917 2022-08-25 16:52:25
16
alxbl
1052 74 2021-01-05 21:30:35
17
fob
1052 10 2022-06-13 13:39:13
18
HoLyVieR
1041 97 2022-05-20 18:32:13
19
GuilT
1019 114 2021-12-31 00:06:42
20
fLink
1019 0 2019-11-13 14:37:57
21
yehuju
1017 0 2022-03-23 20:30:50
22
allfro
1010 0 2021-04-07 21:13:55
23
killer2
1005 311 2018-10-29 12:29:39
24
errorinside
1002 0 2022-03-22 06:09:04
25
V5November
985 0 2022-10-03 12:47:10
26
nopernik
940 100 2022-01-12 07:46:22
27
garigouster
867 780 2017-06-05 09:19:11
28
fffroze
783 8 2020-12-23 03:10:47
29
snowscan
778 17 2020-06-09 21:51:44
30
lolwut
770 0 2018-01-18 12:58:24
31
destiny
758 4 2020-08-23 17:18:52
32
fsharp
751 2 2022-09-30 09:20:27
33
becojo
750 7 2021-11-11 19:06:39
34
marcS0H
737 1 2021-05-20 17:18:53
35
marcan2020
715 18 2022-06-15 00:34:48
36
davidlebr1
703 98 2022-04-03 20:26:13
37
madness
697 567 2022-03-18 14:58:55
38
watchdog
693 58 2021-09-09 16:43:09
39
madbat2
659 0 2015-06-15 15:37:39
40
minektur
656 176 2022-02-16 22:35:59
41
marlo
647 0 2022-03-19 13:35:07
42
pwndre
642 42 2020-06-05 00:19:47
43
Pourliver
639 0 2021-02-11 18:35:08
44
lixtelnis
637 3 2020-12-06 17:40:18
45
turksec
634 8 2017-01-31 06:56:54
46
rootkitg
634 0 2020-06-21 20:05:30
47
sulliedeclat
627 1 2021-04-03 21:22:10
48
Laish
622 201 2022-06-11 20:45:20
49 Agent24-D 618 71 2022-09-14 20:55:14
50
Kileak
614 16 2021-10-26 04:22:42

Search by username


Latest challenges validations

Last validation Challenge User who solved it
2022-10-03 17:39:53 Thinking outside the box is the key rayin
2022-10-03 17:21:48 Login portal 2 ductai
2022-10-03 16:51:44 No more hacking for me! rayin
2022-10-03 15:27:28 ACL rulezzz the world. ductai
2022-10-03 15:17:05 Login portal 1 ductai
2022-10-03 14:46:14 Login portal 2 datnt
2022-10-03 14:45:10 Classic Sudoku thunderinggiraffe
2022-10-03 14:27:17 ACL rulezzz the world. datnt
2022-10-03 14:02:08 Login portal 1 datnt
2022-10-03 13:15:38 ACL rulezzz the world. Nghienbui

The latest write-up with special mention


The latest challenges added

Challenge Points Category
Farmer Search (3/3) 4 NSEC 2021
Farmer Search (2/3) 2 NSEC 2021
Farmer Search (1/3) 3 NSEC 2021
Reading Through the Cloud 4 NSEC 2021
Crapto Century 3 NSEC 2021


Charles F. Hamilton started RingZer0 website in 2014 by hosting everything in his own garage (Picture here). You can find the list of users that contributed over the years here.


top