NameDateFormatLocationNotes
SECCON 2017 Online CTF09 Dec., 06:00 UTC — 10 Dec. 2017, 06:00 UTCJeopardy On-line
CTF Russian Cup 201708 Dec., 05:00 UTC — 09 Dec. 2017, 20:55 UTCJeopardy Skolkovo, Russia
HITCON CTF 2017 Final08 Dec., 01:00 UTC — 09 Dec. 2017, 10:00 UTCAttack-Defense TICC, 1 Hsin-Yi Road,Section 5,Taipei 11049,Taiwan ROC
Shellter Hacking Express #1803 Dec., 17:00 UTC — 03 Dec. 2017, 21:00 UTCJeopardy On-line missing the scoreboard
Takoma Park CTF02 Dec., 17:00 UTC — 04 Dec. 2017, 05:00 UTCJeopardy On-line
RuCTFE 201702 Dec., 10:00 UTC — 02 Dec. 2017, 19:00 UTCAttack-Defense On-line
Juniors CTF 201701 Dec., 16:00 UTC — 03 Dec. 2017, 16:00 UTCJeopardy On-line
ph0wn29 Nov., 17:00 UTC — 30 Nov. 2017, 01:00 UTCJeopardy Sophia Antipolis, France
TUCTF 201724 Nov., 23:00 UTC — 26 Nov. 2017, 23:00 UTCJeopardy On-line
RC3 CTF 201718 Nov., 02:00 UTC — 20 Nov. 2017, 04:59 UTCJeopardy On-line
GreHack CTF 201717 Nov., 21:00 UTC — 18 Nov. 2017, 06:00 UTCJeopardy Grenoble, France
hxp CTF 201717 Nov., 12:00 UTC — 19 Nov. 2017, 12:00 UTCJeopardy On-line
CTFZone 2017 Finals16 Nov., 10:00 UTC — 17 Nov. 2017, 16:00 UTCAttack-Defense Moscow, Russia
Oman National Cyber Security CTF Finals11 Nov., 06:00 UTC — 11 Nov. 2017, 13:00 UTCJeopardy Sultan Qaboos University, Muscat, Oman missing the scoreboard
Trend Micro CTF 2017 - Raimund Genes Cup - The Final11 Nov., 04:00 UTC — 12 Nov. 2017, 09:00 UTCAttack-Defense
HCTF 201710 Nov., 12:00 UTC — 12 Nov. 2017, 12:00 UTCJeopardy On-line
CSAW CTF Final Round 201710 Nov., 02:00 UTC — 11 Nov. 2017, 14:00 UTCJeopardy Multiple Sites
DefCamp CTF Finals 201709 Nov., 12:00 UTC — 10 Nov. 2017, 12:00 UTCJeopardy Bucharest, Romania
CODE BLUE CTF 201709 Nov., 01:00 UTC — 10 Nov. 2017, 07:00 UTCJeopardy On-line
Hack The Nexus - Blizzard CTF 201705 Nov., 17:00 UTC — 06 Nov. 2017, 01:00 UTCJeopardy Santa Ana, CA USA missing the scoreboard
InnoCTF 201705 Nov., 10:10 UTC — 05 Nov. 2017, 18:00 UTCJeopardy On-line
School CTF 201705 Nov., 06:00 UTC — 05 Nov. 2017, 14:00 UTCJeopardy On-line
HITCON CTF 2017 Quals04 Nov., 02:00 UTC — 06 Nov. 2017, 02:00 UTCJeopardy On-line
RUSecure-CTF Preparation Round 201704 Nov., 00:00 UTC — 06 Dec. 2017, 23:59 UTCJeopardy On-line missing the scoreboard
Google Capture The Flag 2017 (Finals)28 Oct., 09:00 UTC — 29 Oct. 2017, 19:00 UTCJeopardy Google
WhiteHat Challenge 0528 Oct., 02:00 UTC — 28 Oct. 2017, 10:00 UTCJeopardy On-line
STM CTF 201726 Oct., 06:30 UTC — 26 Oct. 2017, 14:00 UTCJeopardy On-line missing the scoreboard
Oman National Cyber Security CTF Quals26 Oct., 00:00 UTC — 28 Oct. 2017, 22:00 UTCJeopardy On-line missing the scoreboard
eCrimeCTF201724 Oct., 10:00 UTC — 25 Oct. 2017, 15:00 UTCJeopardy Porto, Portugal
Pwn2Win CTF 201720 Oct., 15:37 UTC — 22 Oct. 2017, 15:37 UTCJeopardy On-line
CyberSEED Social Engineering Competition 201719 Oct., 13:00 UTC — 20 Oct. 2017, 18:00 UTCJeopardy USA, Storrs missing the scoreboard
UConn CyberSEED 201719 Oct., 10:00 UTC — 20 Oct. 2017, 15:00 UTCJeopardy Storrs, CT, USA
Hack.lu CTF 201717 Oct., 10:00 UTC — 19 Oct. 2017, 10:00 UTCJeopardy On-line
Hack Dat Kiwi 201713 Oct., 04:00 UTC — 15 Oct. 2017, 03:59 UTCJeopardy On-line
ICG CTF Quals 201709 Oct., 10:00 UTC — 11 Oct. 2017, 10:00 UTCJeopardy On-line missing the scoreboard
Can-CWIC CTF 201706 Oct., 22:00 UTC — 08 Oct. 2017, 20:00 UTCJeopardy On-line missing the scoreboard
Kaspersky Industrial CTF Quals 201706 Oct., 14:00 UTC — 08 Oct. 2017, 14:00 UTCJeopardy On-line
Square CTF 201704 Oct., 13:00 UTC — 14 Oct. 2017, 00:00 UTCJeopardy On-line missing the scoreboard
Shellter Hacking Express #1601 Oct., 17:00 UTC — 01 Oct. 2017, 21:00 UTCJeopardy On-line missing the scoreboard
DefCamp CTF Qualification 201730 Sept., 12:00 UTC — 01 Oct. 2017, 12:00 UTCJeopardy On-line
BackdoorCTF 201723 Sept., 15:30 UTC — 24 Sept. 2017, 15:30 UTCJeopardy On-line
ABCTF 201722 Sept., 04:00 UTC — 25 Sept. 2017, 03:59 UTCJeopardy On-line missing the scoreboard
Codefest CTF 201721 Sept., 15:30 UTC — 22 Sept. 2017, 15:30 UTCJeopardy On-line
Hardwear.io - Hardware Security Conference and Training21 Sept., 10:00 UTC — 12 Sept. 2017, 18:00 UTCAttack-Defense NH Hotel, The Hague, Netherlands missing the scoreboard
VolgaCTF 2017 Finals21 Sept., 05:00 UTC — 21 Sept. 2017, 15:00 UTCAttack-Defense Samara, Russian Federation
EKOPARTY CTF 201716 Sept., 00:00 UTC — 17 Sept. 2017, 12:00 UTCJeopardy On-line
CSAW CTF Qualification Round 201715 Sept., 20:00 UTC — 17 Sept. 2017, 20:00 UTCJeopardy On-line
STEM CTF: Cyber Challenge 201715 Sept., 19:00 UTC — 16 Sept. 2017, 19:00 UTCJeopardy On-line
SEC-T CTF13 Sept., 15:00 UTC — 15 Sept. 2017, 15:00 UTCJeopardy On-line
Security Case Study CTF12 Sept., 19:00 UTC — 13 Sept. 2017, 19:00 UTCJeopardy Poland, Warsaw
ASIS CTF Finals 201708 Sept., 17:00 UTC — 10 Sept. 2017, 17:00 UTCJeopardy On-line
Tokyo Westerns CTF 3rd 201702 Sept., 00:00 UTC — 04 Sept. 2017, 00:00 UTCJeopardy On-line
WhiteHat Challenge 0426 Aug., 02:00 UTC — 26 Aug. 2017, 10:00 UTCJeopardy On-line
HackCon 201725 Aug., 21:00 UTC — 26 Aug. 2017, 21:00 UTCJeopardy On-line
HackIT CTF 201725 Aug., 14:00 UTC — 27 Aug. 2017, 14:00 UTCJeopardy On-line
HITB CTF Singapore 201724 Aug., 02:00 UTC — 25 Aug. 2017, 08:00 UTCJeopardy On-line
RHme3 - Qualifiers07 Aug., 11:00 UTC — 28 Aug. 2017, 11:00 UTCJeopardy On-line
SHA2017 CTF05 Aug., 10:00 UTC — 06 Aug. 2017, 22:00 UTCJeopardy On-line
bugs_bunny ctf 2k1729 July, 19:00 UTC — 30 July 2017, 19:00 UTCJeopardy On-line
DEF CON CTF 201728 July, 16:00 UTC — 30 July 2017, 11:26 UTCJeopardy Las Vegas, USA Prequalified teams only
CTFZone 201715 July, 09:00 UTC — 16 July 2017, 21:00 UTCJeopardy On-line
MeePwn CTF 1st 201714 July, 00:00 UTC — 16 July 2017, 00:00 UTCJeopardy On-line
PoliCTF 201707 July, 09:00 UTC — 09 July 2017, 09:00 UTCJeopardy On-line
h1702ctf 201701 July, 17:00 UTC — 15 July 2017, 23:59 UTCHack quest On-line missing the scoreboard
SECUINSIDE CTF Quals 201701 July, 00:00 UTC — 02 July 2017, 07:33 UTCJeopardy On-line
AltayCTF-201726 June, 10:00 UTC — 26 June 2017, 18:00 UTCJeopardy On-line missing the scoreboard
Nuit du Hack CTF Finals 201724 June, 19:30 UTC — 25 June 2017, 04:00 UTCAttack-Defense Paris, France Prequalified teams only
Trend Micro CTF 2017 - Raimund Genes Cup - Online Qualifier24 June, 04:00 UTC — 25 June 2017, 04:00 UTCJeopardy On-line
Google Capture The Flag 2017 (Quals)17 June, 00:00 UTC — 18 June 2017, 23:59 UTCJeopardy On-line
SHA2017 CTF Teaser round10 June, 12:00 UTC — 10 June 2017, 20:00 UTCJeopardy On-line
LabyREnth 201709 June, 23:00 UTC — 23 July 2017, 23:00 UTCJeopardy On-line missing the scoreboard
0CTF 2017 Finals02 June, 08:00 UTC — 03 June 2017, 15:00 UTCJeopardy Shenzhen, China
Security Fest 201731 May, 12:00 UTC — 01 June 2017, 18:00 UTCJeopardy On-line
WhiteHat Contest 1327 May, 02:00 UTC — 28 May 2017, 02:00 UTCJeopardy On-line
FAUST CTF 201726 May, 13:00 UTC — 26 May 2017, 22:00 UTCAttack-Defense On-line
RCTF 201720 May, 00:00 UTC — 22 May 2017, 00:00 UTCJeopardy On-line
CONFidence CTF 201718 May, 07:00 UTC — 19 May 2017, 13:00 UTCJeopardy Poland, Cracow
RCC-201713 May, 08:00 UTC — 13 May 2017, 17:00 UTCAttack-Defense Moscow, Russian Federation
Moroccan Cyber Security Camp 201713 May, 08:00 UTC — 14 May 2017, 11:00 UTCHack quest Rabat , Morocco
PHDays VII CTF12 May, 16:00 UTC — 13 May 2017, 01:00 UTCAttack-Defense On-line
UIUCTF 201729 April, 00:00 UTC — 30 April 2017, 12:00 UTCJeopardy On-line
DEF CON CTF Qualifier 201729 April, 00:00 UTC — 01 May 2017, 00:00 UTCJeopardy On-line
WhiteHat Challenge 0327 April, 02:00 UTC — 27 April 2017, 10:00 UTCJeopardy On-line missing the scoreboard
OmCTF-201723 April, 04:00 UTC — 24 April 2017, 12:00 UTCAttack-Defense Russia, Omsk, Komarova, 21, k1 missing the scoreboard
YUBITSEC CTF 201722 April, 19:00 UTC — 24 April 2017, 19:00 UTCJeopardy Izmir, Turkey
angstromCTF 201722 April, 12:00 UTC — 27 April 2017, 12:00 UTCJeopardy On-line missing the scoreboard
PlaidCTF 201721 April, 21:00 UTC — 23 April 2017, 21:00 UTCJeopardy On-line
Insigne CTF21 April, 19:00 UTC — 22 April 2017, 19:00 UTCJeopardy On-line
PACTF 201716 April, 16:00 UTC — 05 Jan. 2017, 03:59 UTCJeopardy On-line School teams onlymissing the scoreboard
BCTF 201715 April, 02:00 UTC — 17 April 2017, 02:00 UTCJeopardy On-line
RuCTF Finals 201713 April, 10:00 UTC — 17 April 2017, 16:00 UTCAttack-Defense Russia, Yekaterinburg, Lenina, 51
HITB CTF Amsterdam 201712 April, 22:00 UTC — 13 April 2017, 22:00 UTCJeopardy Amsterdam
TAMUctf 201712 April, 16:00 UTC — 23 April 2017, 20:59 UTCJeopardy On-line
Codegate CTF Finals 201711 April, 10:00 UTC — 12 April 2017, 17:00 UTCJeopardy Seoul, Republic of Korea Prequalified teams only
Sthack 201708 April, 05:00 UTC — 08 April 2017, 17:00 UTCJeopardy Bordeaux, France missing the scoreboard
FIT-HACK CTF 201708 April, 04:00 UTC — 15 April 2017, 04:00 UTCJeopardy On-line
Sunshine CTF 201707 April, 20:00 UTC — 08 April 2017, 19:00 UTCJeopardy On-line
ASIS CTF Quals 201707 April, 12:30 UTC — 09 April 2017, 12:30 UTCJeopardy On-line
INS'hAck 201706 April, 16:30 UTC — 09 April 2017, 16:30 UTCJeopardy On-line
Egypt & UAE National Cyber Security CTF Quals 201706 April, 08:00 UTC — 08 April 2017, 20:00 UTCJeopardy On-line missing the scoreboard
Teaser CONFidence CTF 201701 April, 22:30 UTC — 02 April 2017, 22:30 UTCJeopardy On-line
Nuit du Hack CTF Quals 201731 March, 21:59 UTC — 01 April 2017, 21:59 UTCJeopardy On-line
April Fools' GTF 201731 March, 21:00 UTC — 01 April 2017, 08:59 UTCJeopardy On-line
picoCTF 201731 March, 16:00 UTC — 14 April 2017, 16:00 UTCJeopardy On-line School teams onlymissing the scoreboard
NSK CTF 201726 March, 07:00 UTC — 26 March 2017, 15:00 UTCAttack-Defense Novosibirsk, Russia Academic teams onlymissing the scoreboard
Securinets CTF Quals 201725 March, 17:00 UTC — 26 March 2017, 17:00 UTCJeopardy On-line
DoubleS1405 CTF25 March, 09:00 UTC — 26 March 2017, 21:00 UTCJeopardy On-line
WhiteHat Challenge 0225 March, 09:00 UTC — 25 March 2017, 17:00 UTCJeopardy On-line
NSK School CTF 201725 March, 07:00 UTC — 25 March 2017, 14:00 UTCJeopardy Novosibirsk, Russia School teams onlymissing the scoreboard
Insomni'hack 201724 March, 17:00 UTC — 25 March 2017, 03:00 UTCJeopardy Switzerland, Geneva
VolgaCTF 2017 Quals24 March, 15:00 UTC — 26 March 2017, 15:00 UTCJeopardy On-line
MITCTF 201718 March, 14:00 UTC — 19 March 2017, 20:00 UTCJeopardy Cambridge, MA, USA
0CTF 2017 Quals18 March, 00:00 UTC — 20 March 2017, 00:00 UTCJeopardy On-line
ScytheCTF 201717 March, 12:30 UTC — 18 March 2017, 00:30 UTCJeopardy On-line missing the scoreboard
EasyCTF 201713 March, 19:00 UTC — 20 March 2017, 19:00 UTCJeopardy On-line Academic teams only
THC CTF 201703 March, 19:00 UTC — 04 March 2017, 07:00 UTCJeopardy Toulouse, France
UCSB iCTF 201703 March, 17:00 UTC — 04 March 2017, 17:00 UTCAttack-Defense On-line
Pragyan CTF 201702 March, 07:30 UTC — 05 March 2017, 18:30 UTCJeopardy On-line
Xiomara CTF 201725 Feb., 14:30 UTC — 27 Feb. 2017, 14:30 UTCJeopardy On-line
VolgaCTF 2017 Teaser25 Feb., 09:00 UTC — 25 Feb. 2017, 15:00 UTCJeopardy On-line
WhiteHat Challenge 0125 Feb., 02:00 UTC — 25 Feb. 2017, 10:00 UTCJeopardy On-line
Boston Key Party CTF 201725 Feb., 01:00 UTC — 27 Feb. 2017, 01:00 UTCJeopardy On-line
NeverLAN CTF24 Feb., 16:00 UTC — 27 Feb. 2017, 02:00 UTCJeopardy On-line School teams onlymissing the scoreboard
CityF atBash 201723 Feb., 12:00 UTC — 23 Feb. 2017, 19:00 UTCJeopardySchool teams only
Game of Pwners17 Feb., 18:00 UTC — 19 Feb. 2017, 18:00 UTCJeopardy Turkey
BSides San Francisco CTF12 Feb., 12:00 UTC — 14 Feb. 2017, 12:00 UTCJeopardy On-line
Hackcon Mini11 Feb., 14:30 UTC — 11 Feb. 2017, 18:29 UTCJeopardy On-line
nullcon HackIM 10 Feb., 16:30 UTC — 12 Feb. 2017, 04:30 UTCJeopardy On-line
Codegate 2017 prequals10 Feb., 00:00 UTC — 11 Feb. 2017, 00:00 UTCJeopardy On-line
BITSCTF 201704 Feb., 11:30 UTC — 05 Feb. 2017, 11:30 UTCJeopardy On-line
AlexCTF03 Feb., 10:00 UTC — 06 Feb. 2017, 10:00 UTCJeopardy On-line
SECCON 2016 Final competition 28 Jan., 02:00 UTC — 29 Jan. 2017, 05:00 UTCJeopardy Tokyo Denki University
Break In CTF 201726 Jan., 15:30 UTC — 27 Jan. 2017, 15:30 UTCJeopardy On-line missing the scoreboard
Insomni'hack teaser 201721 Jan., 09:00 UTC — 22 Jan. 2017, 21:00 UTCJeopardy On-line
33C3 CTF27 Dec., 20:00 UTC — 29 Dec. 2016, 20:00 UTCJeopardy On-line
The 318br, DESEC, and SucuriHC Capture The Flag (3DSCTF)17 Dec., 04:00 UTC — 24 Dec. 2016, 04:00 UTCJeopardy
WhiteHat Grand Prix 201617 Dec., 02:00 UTC — 18 Dec. 2016, 02:00 UTCJeopardy On-line
SharifCTF 716 Dec., 14:30 UTC — 18 Dec. 2016, 14:30 UTCJeopardy On-line
SECCON 2016 Online CTF10 Dec., 06:00 UTC — 11 Dec. 2016, 06:00 UTCJeopardy On-line
HITCON CTF 2016 Final02 Dec., 02:00 UTC — 03 Dec. 2016, 07:30 UTCAttack-Defense Taiwan, Taipei
QCTF Starter 201627 Nov., 04:00 UTC — 27 Nov. 2016, 18:00 UTCJeopardy Yekaterinburg, Russia School teams onlymissing the scoreboard
Juniors CTF 201625 Nov., 15:00 UTC — 27 Nov. 2016, 15:00 UTCJeopardy On-line
InnoCTF 201620 Nov., 07:00 UTC — 20 Nov. 2016, 15:00 UTCJeopardy Innopolis, Tatarstan, Russia School teams onlymissing the scoreboard
RC3 CTF 201619 Nov., 02:00 UTC — 21 Nov. 2016, 07:00 UTCJeopardy On-line
GreHack CTF 201618 Nov., 20:00 UTC — 19 Nov. 2016, 06:00 UTCJeopardy France, Grenoble
Trend Micro CTF 2016 The Final18 Nov., 15:14 UTC — 19 Nov. 2016, 15:17 UTCAttack-Defense Tokyo, Japan
Qiwi-Infosec CTF-201617 Nov., 07:00 UTC — 18 Nov. 2016, 15:00 UTCJeopardy On-line
RuCTFE 201612 Nov., 10:00 UTC — 12 Nov. 2016, 19:00 UTCAttack-Defense On-line
CSAW CTF Final Round 201610 Nov., 22:00 UTC — 12 Nov. 2016, 10:00 UTCJeopardy On-line
DefCamp CTF Finals 201610 Nov., 11:00 UTC — 11 Nov. 2016, 11:00 UTCJeopardy Bucharest, Romania
Moscow CTF School 201606 Nov., 11:00 UTC — 06 Nov. 2016, 16:00 UTCJeopardy Moscow, Russia
School CTF 201606 Nov., 05:00 UTC — 06 Nov. 2016, 13:00 UTCJeopardy On-line
Hack The Vote 201604 Nov., 23:00 UTC — 06 Nov. 2016, 23:00 UTCJeopardy On-line
EKOPARTY CTF 201626 Oct., 20:00 UTC — 28 Oct. 2016, 20:00 UTCJeopardy On-line
ECTF 201623 Oct., 02:00 UTC — 23 Oct. 2016, 14:00 UTCJeopardy On-line
CBIT Headstart CTF 201621 Oct., 05:00 UTC — 22 Oct. 2016, 10:00 UTCJeopardy Telangana, India missing the scoreboard
Hack.lu CTF 201619 Oct., 10:00 UTC — 20 Oct. 2016, 10:00 UTCJeopardy On-line
KrasCTF 201615 Oct., 02:00 UTC — 16 Oct. 2016, 14:00 UTCJeopardy Krasnoyarsk, Russia School teams onlymissing the scoreboard
UConn CyberSEED 201610 Oct., 18:00 UTC — 11 Oct. 2016, 18:00 UTCJeopardy Storrs, CT, USA
CyberSEED Social Engineering Competition 201610 Oct., 13:00 UTC — 11 Oct. 2016, 21:00 UTCJeopardy Storrs, CT USA
SpbCTF 201609 Oct., 07:00 UTC — 09 Oct. 2016, 16:00 UTCJeopardy Saint-Petersburg, Russia Academic teams only
HITCON CTF 2016 Quals08 Oct., 02:00 UTC — 10 Oct. 2016, 02:00 UTCJeopardy On-line
Hackover CTF 201607 Oct., 18:00 UTC — 09 Oct. 2016, 06:00 UTCJeopardy On-line
TUM CTF 201630 Sept., 16:00 UTC — 02 Oct. 2016, 16:00 UTCJeopardy On-line
SibirCTF 201629 Sept., 03:00 UTC — 01 Oct. 2016, 14:00 UTCAttack-Defense On-line School teams only
DefCamp CTF Qualification 201624 Sept., 07:00 UTC — 25 Sept. 2016, 07:00 UTCJeopardy On-line
Cyber@Hack 201623 Sept., 19:30 UTC — 24 Sept. 2016, 19:30 UTCJeopardy Toulouse, France missing the scoreboard
H4ckIT CTF 2016 Online23 Sept., 18:00 UTC — 02 Oct. 2016, 17:00 UTCJeopardy On-line
M*CTF 2016 Quals23 Sept., 15:00 UTC — 25 Sept. 2016, 15:00 UTCJeopardy On-line
CSAW CTF Qualification Round 201616 Sept., 23:00 UTC — 18 Sept. 2016, 23:00 UTCJeopardy On-line
STEM CTF: Cyber Challenge 201616 Sept., 17:00 UTC — 17 Sept. 2016, 17:00 UTCJeopardy On-line missing the scoreboard
BSides Colombia CTF16 Sept., 16:00 UTC — 17 Sept. 2016, 16:00 UTCJeopardy Medellín, Colombia missing the scoreboard
VolgaCTF 2016 Finals15 Sept., 06:00 UTC — 15 Sept. 2016, 15:00 UTCAttack-Defense Samara, Russian Federation
WhiteHat Contest 1210 Sept., 02:00 UTC — 11 Sept. 2016, 02:00 UTCJeopardy On-line
ASIS CTF Finals 201609 Sept., 17:00 UTC — 11 Sept. 2016, 17:00 UTCJeopardy On-line
Tokyo Westerns/MMA CTF 2nd 201603 Sept., 00:00 UTC — 05 Sept. 2016, 00:00 UTCJeopardy On-line
CTF(x) 201626 Aug., 20:00 UTC — 28 Aug. 2016, 20:00 UTCJeopardy On-line School teams only
Facebook Capture The Flag 201625 Aug., 02:00 UTC — 26 Aug. 2016, 11:00 UTCJeopardy Singapore missing the scoreboard
BioTerra CTF 201620 Aug., 20:08 UTC — 21 Aug. 2016, 21:08 UTCJeopardy On-line
Hackcon 201619 Aug., 14:30 UTC — 20 Aug. 2016, 18:29 UTCJeopardy On-line
IceCTF 201612 Aug., 16:00 UTC — 26 Aug. 2016, 16:00 UTCJeopardy On-line
DEF CON CTF 201605 Aug., 18:00 UTC — 07 Aug. 2016, 21:00 UTCAttack-Defense Las Vegas, United States Prequalified teams only
OpenCTF 201605 Aug., 17:00 UTC — 07 Aug. 2016, 04:00 UTCJeopardy Las Vegas, United States
Trend Micro CTF 2016 Online Qualifier30 July, 04:00 UTC — 31 July 2016, 04:00 UTCJeopardy On-line
LabyREnth 201615 July, 23:59 UTC — 14 Aug. 2016, 23:59 UTCJeopardy On-line missing the scoreboard
ABCTF 201615 July, 18:23 UTC — 22 July 2016, 18:23 UTCJeopardy On-line School teams onlymissing the scoreboard
SECUINSIDE CTF Quals 201609 July, 03:00 UTC — 10 July 2016, 03:00 UTCJeopardy On-line
Nuit du Hack CTF Finals 201602 July, 19:30 UTC — 03 July 2016, 04:00 UTCAttack-Defense Paris, France
IBST.PSU CTF 201626 June, 06:30 UTC — 26 June 2016, 13:00 UTCAttack-Defense On-line
AltayCTF-201626 June, 00:00 UTC — 28 June 2016, 03:00 UTCJeopardy Russia, Barnaul
WhiteHat Contest 1125 June, 02:00 UTC — 25 June 2016, 10:00 UTCJeopardy On-line
BackdoorCTF 201604 June, 15:30 UTC — 05 June 2016, 15:30 UTCJeopardy On-line
ALICTF 201604 June, 00:00 UTC — 06 June 2016, 00:00 UTCJeopardy On-line
Security Fest 201601 June, 10:00 UTC — 02 June 2016, 16:00 UTCJeopardy Gothenburg, Sweden
Belluminar 201601 June, 05:00 UTC — 02 June 2016, 10:00 UTCJeopardy
TJCTF 201628 May, 01:00 UTC — 31 May 2016, 01:00 UTCJeopardy On-line School teams onlymissing the scoreboard
HITB CTF 201626 May, 10:00 UTC — 27 May 2016, 18:00 UTCJeopardy Amsterdam, Netherlands
DEF CON CTF Qualifier 201621 May, 00:00 UTC — 23 May 2016, 00:00 UTCJeopardy On-line
NorthSec 201620 May, 23:00 UTC — 22 May 2016, 20:00 UTCHack quest Marche Bonsecours, Montreal, Canada
CONFidence CTF 201619 May, 08:00 UTC — 20 May 2016, 13:00 UTCJeopardy Poland, Cracow
PHDays CTF 201617 May, 08:00 UTC — 18 May 2016, 14:00 UTCJeopardy Moscow, Russia missing the scoreboard
HSCTF 314 May, 05:00 UTC — 21 May 2016, 09:00 UTCJeopardy On-line School teams onlymissing the scoreboard
TU CTF 201613 May, 22:00 UTC — 15 May 2016, 22:00 UTCJeopardy On-line
RCC-201611 May, 07:00 UTC — 11 May 2016, 15:00 UTCAttack-Defense Moscow, Russia Prequalified teams only
ASIS CTF Quals 201607 May, 03:30 UTC — 09 May 2016, 03:30 UTCJeopardy On-line
Codegate CTF Finals 201602 May, 12:20 UTC — 03 May 2016, 01:00 UTCJeopardy Seoul, Republic of Korea Prequalified teams only
Google Capture The Flag 201629 April, 17:00 UTC — 01 May 2016, 16:59 UTCJeopardy On-line
OmCTF 201624 April, 01:00 UTC — 24 April 2016, 08:00 UTCAttack-Defense Omsk, Russian Federation missing the scoreboard
0CTF 2016 Finals22 April, 22:00 UTC — 24 April 2016, 07:00 UTCAttack-Defense Shanghai, China Prequalified teams only
Blaze CTF 201620 April, 04:20 UTC — 24 April 2016, 04:20 UTCJeopardy On-line
PlaidCTF 201615 April, 21:00 UTC — 17 April 2016, 21:00 UTCJeopardy On-line
Teaser CONFidence CTF 201614 April, 16:00 UTC — 15 April 2016, 16:00 UTCJeopardy On-line
RuCTF Finals 201614 April, 09:00 UTC — 18 April 2016, 16:00 UTCAttack-Defense Yekaterinburg, Russian Federation Prequalified teams only
PACTF 201610 April, 00:00 UTC — 30 April 2016, 23:59 UTCJeopardy On-line School teams onlymissing the scoreboard
angstromCTF 201609 April, 16:00 UTC — 17 April 2016, 04:00 UTCJeopardy On-line School teams onlymissing the scoreboard
SSCTF 2016 Final09 April, 00:00 UTC — 10 April 2016, 12:00 UTCAttack-Defense Xi'an, China missing the scoreboard
Sthack 201608 April, 21:00 UTC — 09 April 2016, 09:00 UTCJeopardy Bordeaux, France
sCTF 2016 Q108 April, 00:00 UTC — 15 April 2016, 00:00 UTCJeopardy On-line
Nuit du Hack CTF Quals 201601 April, 21:59 UTC — 02 April 2016, 21:59 UTCJeopardy On-line
C4CTF 201628 March, 06:00 UTC — 28 March 2016, 16:00 UTCJeopardy
Securinets CTF Quals 201626 March, 20:00 UTC — 27 March 2016, 20:00 UTCJeopardy On-line
Pwn2Win CTF 201625 March, 16:37 UTC — 27 March 2016, 16:37 UTCJeopardy On-line
VolgaCTF 2016 Quals25 March, 15:00 UTC — 27 March 2016, 15:00 UTCJeopardy On-line
UFO CTF SCHOOL 201621 March, 12:00 UTC — 31 March 2016, 12:00 UTCJeopardy On-line School teams onlymissing the scoreboard
LASACTF 201619 March, 18:00 UTC — 26 March 2016, 18:00 UTCJeopardy On-line School teams onlymissing the scoreboard
BCTF 201619 March, 02:00 UTC — 21 March 2016, 02:00 UTCJeopardy On-line
Insomni'hack 201618 March, 21:00 UTC — 19 March 2016, 07:00 UTCJeopardy Switzerland, Geneva
Codegate CTF 2016 Quals12 March, 21:00 UTC — 13 March 2016, 21:00 UTCJeopardy On-line
Sunshine CTF 201612 March, 16:00 UTC — 13 March 2016, 20:30 UTCJeopardy On-line
ScytheCTF 201612 March, 15:30 UTC — 13 March 2016, 03:30 UTCJeopardy Roorkee, India missing the scoreboard
0CTF 2016 Quals12 March, 00:00 UTC — 14 March 2016, 00:00 UTCJeopardy On-line
Sécu'RT 201610 March, 13:30 UTC — 10 March 2016, 22:30 UTCJeopardy Montbéliard, France
Boston Key Party CTF 201604 March, 22:00 UTC — 06 March 2016, 22:00 UTCJeopardy On-line
SSCTF 2016 Quals27 Feb., 00:00 UTC — 29 Feb. 2016, 00:00 UTCJeopardy On-line
Internetwache CTF 201620 Feb., 11:00 UTC — 21 Feb. 2016, 23:00 UTCJeopardy On-line
Sharif University CTF 201605 Feb., 06:30 UTC — 06 Feb. 2016, 18:30 UTCJeopardy On-line
SECCON 2015 Final competition (International) 31 Jan., 02:00 UTC — 31 Jan. 2016, 07:30 UTCHack quest Tokyo, Japan
SECCON 2015 Final competition (Intercollege) 30 Jan., 03:00 UTC — 30 Jan. 2016, 07:00 UTCAttack-Defense Tokyo, Japan Academic teams only
HackIM 201629 Jan., 15:30 UTC — 31 Jan. 2016, 15:30 UTCJeopardy On-line
Break In 201623 Jan., 18:30 UTC — 24 Jan. 2016, 18:30 UTC On-line
Insomni'hack teaser 201616 Jan., 09:00 UTC — 17 Jan. 2016, 21:00 UTCJeopardy On-line
32C3 CTF27 Dec., 20:00 UTC — 29 Dec. 2015, 20:00 UTCJeopardy On-line
WhiteHat Grand Prix – Final Round 201519 Dec., 02:00 UTC — 19 Dec. 2015, 10:00 UTCAttack-Defense On-line
FAUST CTF 201518 Dec., 16:00 UTC — 19 Dec. 2015, 00:00 UTCAttack-Defense On-line
RCTF 2015 Finals12 Dec., 01:00 UTC — 13 Dec. 2015, 05:00 UTCAttack-Defense Fuzhou, China
No cON Name CTF Finals 201510 Dec., 09:00 UTC — 10 Dec. 2015, 19:00 UTCJeopardy Barcelona, Spain
SECCON 2015 Online CTF05 Dec., 06:00 UTC — 06 Dec. 2015, 06:00 UTCJeopardy On-line
HITCON CTF 2015 Final05 Dec., 02:00 UTC — 06 Dec. 2015, 07:30 UTCAttack-Defense 5F , No.1, Jingmao 2nd Rd., Nangang District, Taipei City 11568, Taiwan (R.O.C.)
UCSB iCTF 201504 Dec., 18:00 UTC — 05 Dec. 2015, 18:00 UTCAttack-Defense On-line
9447 Security Society CTF 201527 Nov., 23:00 UTC — 29 Nov. 2015, 23:00 UTCJeopardy On-line
RuCTFE 201521 Nov., 10:00 UTC — 21 Nov. 2015, 19:00 UTCAttack-Defense On-line
Trend Micro CTF Asia Pacific & Japan 2015 Final21 Nov., 04:30 UTC — 22 Nov. 2015, 06:30 UTCAttack-Defense Tokyo, Japan
GreHack CTF 201520 Nov., 21:00 UTC — 21 Nov. 2015, 08:00 UTCJeopardy
Defcamp CTF Finals 201519 Nov., 13:00 UTC — 20 Nov. 2015, 13:00 UTCJeopardy Bucharest, Romania
Hack Dat Kiwi 201518 Nov., 05:00 UTC — 20 Nov. 2015, 05:00 UTCJeopardy On-line
RCTF 2015 Quals14 Nov., 00:00 UTC — 15 Nov. 2015, 12:00 UTCJeopardy On-line
CSAW CTF Final Round 201512 Nov., 02:00 UTC — 14 Nov. 2015, 14:00 UTCJeopardy New York, USA
Hackfest 201506 Nov., 21:00 UTC — 07 Nov. 2015, 07:00 UTCHack quest Québec, QC, Canada missing the scoreboard
Power of XX 201506 Nov., 01:00 UTC — 07 Nov. 2015, 09:00 UTCJeopardy Seoul, Republic of Korea missing the scoreboard
g0s CTF 201505 Nov., 04:30 UTC — 06 Nov. 2015, 10:30 UTCJeopardy New Delhi, India missing the scoreboard
Belluminar 201505 Nov., 02:00 UTC — 06 Nov. 2015, 04:00 UTCJeopardy Seoul, Republic of Korea
School CTF 201504 Nov., 06:00 UTC — 04 Nov. 2015, 11:00 UTCJeopardy On-line missing the scoreboard
UConn CyberSEED 201529 Oct., 12:00 UTC — 30 Oct. 2015, 22:00 UTCJeopardy Storrs, CT, USA
TUM CTF Teaser24 Oct., 12:00 UTC — 25 Oct. 2015, 12:00 UTCJeopardy On-line
WhiteHat Grand Prix – Qualification Round 201524 Oct., 02:00 UTC — 25 Oct. 2015, 02:00 UTCJeopardy On-line
2nd Annual MalCon CTF22 Oct., 13:00 UTC — 22 Oct. 2015, 22:00 UTCJeopardy Fajardo, Puerto Rico missing the scoreboard
EKOPARTY CTF 201522 Oct., 12:00 UTC — 23 Oct. 2015, 20:00 UTCJeopardy On-line
Hack.lu CTF 201520 Oct., 08:00 UTC — 22 Oct. 2015, 08:00 UTCJeopardy On-line
HITCON CTF 2015 Quals17 Oct., 02:00 UTC — 18 Oct. 2015, 14:00 UTCJeopardy On-line
Hackover CTF 201516 Oct., 18:00 UTC — 18 Oct. 2015, 06:00 UTCJeopardy On-line
ASIS CTF Finals 201510 Oct., 06:30 UTC — 12 Oct. 2015, 06:30 UTCJeopardy On-line
Defcamp CTF Qualification 201502 Oct., 21:00 UTC — 04 Oct. 2015, 09:00 UTCJeopardy On-line
Trend Micro CTF Asia Pacific & Japan 2015 Online Qualifier26 Sept., 04:00 UTC — 27 Sept. 2015, 04:00 UTCJeopardy On-line
CSAW CTF Qualification Round 201518 Sept., 22:00 UTC — 20 Sept. 2015, 22:00 UTCJeopardy On-line
STEM CTF: Cyber Challenge 201511 Sept., 19:00 UTC — 12 Sept. 2015, 23:00 UTCJeopardy On-line missing the scoreboard
VolgaCTF 2015 Finals10 Sept., 06:00 UTC — 10 Sept. 2015, 15:00 UTCAttack-Defense Russia, Samara
MMA CTF 1st 201505 Sept., 00:00 UTC — 07 Sept. 2015, 00:00 UTCJeopardy On-line
Inc0gnito CTF 201522 Aug., 09:00 UTC — 23 Aug. 2015, 09:00 UTCJeopardy On-line
Camp CTF 201513 Aug., 16:00 UTC — 16 Aug. 2015, 16:00 UTCJeopardy Ziegeleipark Mildenberg, Germany
OpenCTF 201507 Aug., 16:00 UTC — 09 Aug. 2015, 04:00 UTCJeopardy Las Vegas, NV, USA (DEFCON)
DEF CON CTF 201506 Aug., 00:00 UTC — 09 Aug. 2015, 20:00 UTCAttack-Defense Las Vegas, NV, USA Prequalified teams only
WhiteHat Contest 1025 July, 02:00 UTC — 25 July 2015, 14:00 UTCJeopardy On-line
PoliCTF 201510 July, 09:00 UTC — 12 July 2015, 09:00 UTCJeopardy On-line
AltayCTF 201522 June, 09:30 UTC — 22 June 2015, 18:00 UTCJeopardy Barnaul, Russian Federation missing the scoreboard
HITB CTF Amsterdam 201528 May, 07:00 UTC — 29 May 2015, 15:00 UTCJeopardy Amsterdam, The Netherlands
PHD CTF Finals 201526 May, 07:00 UTC — 27 May 2015, 15:00 UTCJeopardy Moscow, Russia
CONFidence CTF 201525 May, 10:00 UTC — 26 May 2015, 13:00 UTCJeopardy Cracow, Poland
NorthSec 201522 May, 19:30 UTC — 24 May 2015, 15:00 UTCHack quest Montreal, Canada
14th HUST Hacking Festival22 May, 09:00 UTC — 23 May 2015, 09:00 UTCJeopardy On-line
DEF CON CTF Qualifier 201516 May, 00:00 UTC — 18 May 2015, 00:00 UTCJeopardy On-line
Dz-Hack-Event 201509 May, 20:00 UTC — 10 May 2015, 08:00 UTCJeopardy Algiers, Algeria missing the scoreboard
ASIS CTF Quals 201509 May, 05:30 UTC — 11 May 2015, 05:30 UTCJeopardy On-line
School CTF Spring 201503 May, 06:00 UTC — 03 May 2015, 11:00 UTCJeopardy On-line missing the scoreboard
VolgaCTF 2015 Quals01 May, 12:00 UTC — 03 May 2015, 12:00 UTCJeopardy On-line
RuCTF Finals 201526 April, 09:00 UTC — 27 April 2015, 09:00 UTCAttack-Defense Ekaterinburg, Russia missing the scoreboard
Teaser CONFidence CTF 201525 April, 08:00 UTC — 26 April 2015, 08:00 UTCJeopardy On-line
0CTF 2015 Finals25 April, 00:00 UTC — 26 April 2015, 10:00 UTCAttack-Defense Shanghai, China
PlaidCTF 201517 April, 21:00 UTC — 19 April 2015, 21:00 UTCJeopardy On-line
UCSB iCTF 201410 April, 15:00 UTC — 11 April 2015, 00:00 UTCAttack-Defense On-line
Codegate CTF Finals 201507 April, 05:00 UTC — 08 April 2015, 01:00 UTCJeopardy Seoul, Republic of Korea
Hack Zone Tunisia 201504 April, 17:00 UTC — 05 April 2015, 07:00 UTCJeopardy On-line
Nuit du Hack CTF Quals 201503 April, 20:00 UTC — 04 April 2015, 19:59 UTCJeopardy On-line
UIUCTF 201503 April, 03:00 UTC — 04 April 2015, 03:00 UTCJeopardy On-line
BackdoorCTF 201501 April, 14:30 UTC — 02 April 2015, 02:30 UTCJeopardy On-line
0CTF 2015 Quals28 March, 00:00 UTC — 30 March 2015, 00:00 UTCJeopardy On-line
BCTF 201521 March, 05:00 UTC — 23 March 2015, 05:00 UTCJeopardy On-line
Securinets CTF Quals 201520 March, 19:00 UTC — 21 March 2015, 19:00 UTCJeopardy On-line
Insomni'hack 201520 March, 18:00 UTC — 21 March 2015, 04:00 UTCJeopardy Geneva, Switzerland
B-Sides Vancouver 201516 March, 08:30 UTC — 18 March 2015, 23:45 UTCJeopardy On-line
Codegate CTF Preliminary 201514 March, 12:00 UTC — 15 March 2015, 19:00 UTCJeopardy On-line
InCTF 2015 Quals14 March, 04:30 UTC — 15 March 2015, 16:30 UTCJeopardy On-line missing the scoreboard
Boston Key Party CTF 201527 Feb., 22:00 UTC — 01 March 2015, 17:00 UTCJeopardy On-line
Sharif University CTF Finals 201517 Feb., 03:00 UTC — 17 Feb. 2015, 13:00 UTCJeopardy Iran, Tehran
Break In 201514 Feb., 18:30 UTC — 15 Feb. 2015, 06:30 UTCJeopardy On-line
Tunisia Hackfest 201507 Feb., 08:00 UTC — 07 Feb. 2015, 20:00 UTCJeopardy Tunis, Tunisia
SECCON CTF 2014 Finals07 Feb., 00:00 UTC — 08 Feb. 2015, 09:00 UTCJeopardy Tokyo, Japan
WCTF - th3jackers23 Jan., 20:00 UTC — 24 Jan. 2015, 08:00 UTCJeopardy On-line
Ghost in the Shellcode 201516 Jan., 20:30 UTC — 18 Jan. 2015, 17:30 UTCJeopardy On-line
Insomni'hack teaser 201510 Jan., 09:00 UTC — 11 Jan. 2015, 21:00 UTCJeopardy On-line
HackIM 201509 Jan., 06:30 UTC — 11 Jan. 2015, 06:30 UTCJeopardy
31C3 CTF27 Dec., 20:00 UTC — 29 Dec. 2014, 20:00 UTCJeopardy On-line
RuCTFE 201420 Dec., 10:00 UTC — 20 Dec. 2014, 19:00 UTCAttack-Defense On-line
Ghost in the Shellcode Teaser 201513 Dec., 20:00 UTC — 14 Dec. 2014, 21:00 UTCJeopardy On-line
SECCON CTF 2014 Online Qualifications06 Dec., 00:00 UTC — 07 Dec. 2014, 08:00 UTCJeopardy On-line
9447 Security Society CTF 201429 Nov., 11:00 UTC — 30 Nov. 2014, 23:00 UTCJeopardy On-line
CSCAMP CTF Finals 201428 Nov., 11:00 UTC — 29 Nov. 2014, 17:00 UTCJeopardy Cairo, Egypt
Defcamp CTF Finals 201428 Nov., 09:00 UTC — 29 Nov. 2014, 09:00 UTCJeopardy Bucharest, Romania
CSCAMP CTF Quals 201420 Nov., 10:00 UTC — 22 Nov. 2014, 10:00 UTCJeopardy On-line
CSAW CTF Final Round 201415 Nov., 02:00 UTC — 15 Nov. 2014, 14:00 UTCJeopardy New York, USA
QIWI CTF 201413 Nov., 05:00 UTC — 14 Nov. 2014, 15:00 UTCJeopardy Moscow, Russia
Hackfest 201407 Nov., 15:00 UTC — 08 Nov. 2014, 07:00 UTCJeopardy Quebec, QC, Canada
MalCon CTF 201430 Oct., 13:00 UTC — 30 Oct. 2014, 20:00 UTCJeopardy Fajardo, Puerto Rico
No cON Name CTF Finals 201430 Oct., 08:00 UTC — 30 Oct. 2014, 16:00 UTCAttack-Defense Barcelona, Spain
Hack.lu CTF 201421 Oct., 08:00 UTC — 23 Oct. 2014, 08:00 UTCJeopardy On-line
UConn CyberSEED 201420 Oct., 14:00 UTC — 22 Oct. 2014, 17:00 UTCJeopardy Storrs, CT, USA
Defcamp CTF Qualification 201418 Oct., 11:00 UTC — 20 Oct. 2014, 11:00 UTCJeopardy On-line
HITB2014KUL Capture the Flag: Age of Extinction15 Oct., 02:00 UTC — 16 Oct. 2014, 10:00 UTCAttack-Defense Kuala Lumpur, Malaysia missing the scoreboard
ASIS CTF Finals 201411 Oct., 06:30 UTC — 13 Oct. 2014, 06:30 UTCJeopardy On-line
MalCon 2014 Quals03 Oct., 16:00 UTC — 06 Oct. 2014, 16:00 UTCJeopardy On-line
if(is) - CTF 201427 Sept., 09:00 UTC — 27 Sept. 2014, 18:00 UTCJeopardy On-line missing the scoreboard
Sharif University CTF 201426 Sept., 10:30 UTC — 27 Sept. 2014, 18:30 UTCJeopardy On-line
CSAW CTF Qualification Round 201419 Sept., 22:00 UTC — 21 Sept. 2014, 22:00 UTCJeopardy On-line
WaspNest CTF - AppSecUSA 201418 Sept., 15:00 UTC — 19 Sept. 2014, 22:30 UTCJeopardy Denver, Colorado, USA
No cON Name CTF Quals 201413 Sept., 22:00 UTC — 14 Sept. 2014, 22:00 UTCJeopardy On-line
VolgaCTF 2014 Finals11 Sept., 05:00 UTC — 11 Sept. 2014, 14:00 UTCAttack-Defense Samara, Russia
HITCON CTF 201416 Aug., 04:00 UTC — 18 Aug. 2014, 04:00 UTCJeopardy On-line
APAIUT-CERT Quals 201414 Aug., 07:30 UTC — 15 Aug. 2014, 07:30 UTCJeopardy On-line missing the scoreboard
OpenCTF 201407 Aug., 18:00 UTC — 10 Aug. 2014, 04:00 UTCJeopardy Las Vegas, NV, USA
DEF CON CTF 201407 Aug., 18:00 UTC — 10 Aug. 2014, 22:00 UTCAttack-Defense Las Vegas, NV, USA Prequalified teams only
SECUINSIDE CTF Finals 201408 July, 01:00 UTC — 09 July 2014, 01:00 UTCJeopardy Seoul, Republic of Korea
Pwnium CTF 201404 July, 19:00 UTC — 05 July 2014, 22:00 UTCJeopardy On-line
Nuit du Hack CTF Finals 201428 June, 21:00 UTC — 29 June 2014, 08:00 UTCAttack-Defense Paris, France
SECUINSIDE CTF Quals 201431 May, 06:00 UTC — 01 June 2014, 12:00 UTCJeopardy On-line
HITB CTF 201429 May, 00:00 UTC — 30 May 2014, 00:00 UTCJeopardy Amsterdam, Netherlands
PHD CTF Finals 201421 May, 04:00 UTC — 22 May 2014, 13:00 UTCAttack-Defense Moscow, Russia
DEF CON CTF Qualifier 201417 May, 00:00 UTC — 19 May 2014, 00:00 UTCJeopardy On-line
ASIS CTF Quals 201408 May, 14:30 UTC — 10 May 2014, 14:30 UTCJeopardy On-line
NorthSec 201425 April, 23:00 UTC — 27 April 2014, 19:30 UTCHack quest Montreal, Canada missing the scoreboard
RuCTF Finals 201420 April, 03:00 UTC — 20 April 2014, 14:00 UTCAttack-Defense Ekaterinburg, Russia
NotSoSecure CTF 201418 April, 09:00 UTC — 20 April 2014, 15:00 UTCJeopardy On-line missing the scoreboard
PlaidCTF 201411 April, 21:00 UTC — 13 April 2014, 21:00 UTCJeopardy On-line
Nuit du Hack CTF Quals 201404 April, 22:00 UTC — 05 April 2014, 22:00 UTCJeopardy On-line
Codegate CTF Finals 201402 April, 05:00 UTC — 03 April 2014, 01:00 UTCJeopardy Seoul, Republic of Korea
VolgaCTF 2014 Quals28 March, 15:00 UTC — 30 March 2014, 15:00 UTCJeopardy On-line
backdoorCTF 201421 March, 22:00 UTC — 23 March 2014, 10:00 UTCJeopardy On-line
Insomni'hack 201421 March, 17:00 UTC — 22 March 2014, 04:00 UTCJeopardy Geneva, Switzerland
RuCTF Quals 201408 March, 14:00 UTC — 10 March 2014, 14:00 UTCJeopardy On-line
DEFKTHON CTF 201403 March, 03:30 UTC — 04 March 2014, 12:30 UTCJeopardy On-line missing the scoreboard
Boston Key Party CTF 201428 Feb., 17:00 UTC — 02 March 2014, 05:00 UTCJeopardy On-line
Codegate CTF Preliminary 201422 Feb., 12:00 UTC — 23 Feb. 2014, 18:00 UTCJeopardy On-line
RootedArena 201421 Feb., 16:00 UTC — 23 Feb. 2014, 23:00 UTCJeopardy On-line
Olympic CTF Sochi 201407 Feb., 16:14 UTC — 09 Feb. 2014, 16:14 UTCJeopardy On-line
PHD CTF Quals 201425 Jan., 08:00 UTC — 27 Jan. 2014, 08:00 UTCJeopardy On-line
HackIM 201424 Jan., 18:30 UTC — 26 Jan. 2014, 18:30 UTCJeopardy On-line
Ghost in the Shellcode 201417 Jan., 20:30 UTC — 19 Jan. 2014, 18:30 UTCJeopardy On-line
Break In 201411 Jan., 12:30 UTC — 13 Jan. 2014, 00:30 UTCJeopardy On-line
Ghost in the Shellcode Teaser 201404 Jan., 19:00 UTC — 05 Jan. 2014, 02:00 UTCJeopardy On-line
30C3 CTF27 Dec., 19:00 UTC — 29 Dec. 2013, 19:00 UTCJeopardy On-line
OWASP ALGERIA CTF 201322 Dec., 19:00 UTC — 24 Dec. 2013, 19:00 UTCJeopardy On-line
RuCTFE 201314 Dec., 10:00 UTC — 14 Dec. 2013, 19:00 UTCAttack-Defense On-line
UCSB iCTF 201306 Dec., 16:00 UTC — 07 Dec. 2013, 01:00 UTCAttack-Defense On-line
Sharif University CTF Finals 201318 Nov., 10:00 UTC — 18 Nov. 2013, 18:00 UTCJeopardy Tehran, Iran missing the scoreboard
Defcamp CTF Qualification 201315 Nov., 22:00 UTC — 16 Nov. 2013, 22:00 UTCJeopardy On-line missing the scoreboard
GreHack CTF 201315 Nov., 09:00 UTC — 15 Nov. 2013, 18:00 UTCJeopardy Grenoble, France missing the scoreboard
CSAW CTF Final Round 201315 Nov., 02:00 UTC — 16 Nov. 2013, 14:00 UTCJeopardy New York, USA
CSCAMP CTF Quals 201313 Nov., 20:00 UTC — 16 Nov. 2013, 20:00 UTCJeopardy On-line
rwthCTF 201309 Nov., 12:00 UTC — 10 Nov. 2013, 00:00 UTCAttack-Defense On-line
No cON Name CTF Finals 201301 Nov., 09:00 UTC — 01 Nov. 2013, 17:00 UTCJeopardy Barcelona, Spain
MIT/LL CTF 201325 Oct., 23:00 UTC — 27 Oct. 2013, 23:00 UTCAttack-Defense Boston, MA, USA missing the scoreboard
NotSoSecure CTF 201325 Oct., 15:00 UTC — 27 Oct. 2013, 20:00 UTCJeopardy On-line missing the scoreboard
Hack.lu CTF 201322 Oct., 08:00 UTC — 24 Oct. 2013, 08:30 UTCJeopardy On-line
EMC Defenders League Quals 201304 Oct., 10:00 UTC — 25 Oct. 2013, 18:00 UTCJeopardy On-line missing the scoreboard
Sharif University CTF 201302 Oct., 10:30 UTC — 03 Oct. 2013, 10:30 UTCJeopardy On-line
No cON Name CTF Quals 201327 Sept., 22:00 UTC — 29 Sept. 2013, 15:00 UTCJeopardy On-line missing the scoreboard
CSAW CTF Qualification Round 201319 Sept., 22:00 UTC — 22 Sept. 2013, 22:00 UTCJeopardy On-line
44CON CTF 201312 Sept., 09:00 UTC — 13 Sept. 2013, 15:00 UTCAttack-Defense London, UK missing the scoreboard
ASIS CTF Finals 201329 Aug., 13:30 UTC — 31 Aug. 2013, 13:30 UTCJeopardy On-line
DEF CON CTF 201302 Aug., 17:00 UTC — 04 Aug. 2013, 20:00 UTCAttack-Defense Las Vegas, NV, USA Prequalified teams only
EBCTF 201302 Aug., 10:00 UTC — 03 Aug. 2013, 22:00 UTCJeopardy On-line
UFO CTF 201319 July, 14:00 UTC — 21 July 2013, 14:00 UTCJeopardy On-line
DIMVA CTF 201317 July, 18:00 UTC — 19 July 2013, 14:00 UTCJeopardy On-line
SIGINT CTF 201305 July, 16:00 UTC — 07 July 2013, 16:00 UTCJeopardy On-line
SECUINSIDE CTF Finals 201302 July, 13:00 UTC — 03 July 2013, 13:00 UTCJeopardy Seoul, Republic of Korea
Nuit du Hack CTF Finals 201322 June, 21:00 UTC — 23 June 2013, 07:00 UTCAttack-Defense Paris, France
DEF CON CTF Qualifier 201315 June, 00:00 UTC — 17 June 2013, 00:00 UTCJeopardy On-line
Boston Key Party CTF 201308 June, 22:00 UTC — 09 June 2013, 22:00 UTCJeopardy On-line
EBCTF Teaser 201301 June, 12:00 UTC — 01 June 2013, 20:00 UTCJeopardy On-line
BSIDES CTF 201331 May, 01:00 UTC — 31 May 2013, 05:00 UTCJeopardy Québec City, Canada missing the scoreboard
Facebook Security Hacker Competition at Source Dublin25 May, 10:00 UTC — 25 May 2013, 17:00 UTCAttack-Defense Dublin, Ireland missing the scoreboard
SECUINSIDE CTF Quals 201324 May, 13:00 UTC — 26 May 2013, 13:00 UTCJeopardy On-line
PHD CTF Finals 201323 May, 06:00 UTC — 24 May 2013, 16:00 UTCAttack-Defense Moscow, Russia
h34dCTF 201323 May, 04:00 UTC — 23 May 2013, 10:00 UTCJeopardy Novosibirsk, Russia
BaltCTF Quals 201310 May, 12:00 UTC — 12 May 2013, 12:00 UTCJeopardy On-line
VolgaCTF 2013 Quals01 May, 18:00 UTC — 03 May 2013, 18:00 UTCJeopardy On-line
ASIS CTF Quals 201320 April, 05:30 UTC — 22 April 2013, 05:30 UTCJeopardy On-line
RuCTF Finals 201320 April, 05:00 UTC — 21 April 2013, 10:00 UTCAttack-Defense Yekaterinburg, Russia
PlaidCTF 201319 April, 21:00 UTC — 21 April 2013, 21:00 UTCJeopardy On-line
InnoGames CTF 201319 April, 06:00 UTC — 20 April 2013, 01:00 UTCAttack-Defense Hamburg, Germany missing the scoreboard
HITB CTF 201308 April, 10:00 UTC — 11 April 2013, 12:00 UTCJeopardy Amsterdam, Netherlands
NorthSec CTF 201305 April, 23:00 UTC — 07 April 2013, 20:00 UTCHack quest Montreal, Quebec, Canada
Codegate CTF Finals 201303 April, 01:00 UTC — 04 April 2013, 01:00 UTCJeopardy Seoul, Republic of Korea
easterpwn 201330 March, 20:00 UTC — 31 March 2013, 01:00 UTCAttack-Defense Paderborn, Germany
UCSB iCTF 201222 March, 15:00 UTC — 22 March 2013, 00:00 UTCAttack-Defense On-line
Insomni'hack 201322 March, 06:00 UTC — 23 March 2013, 02:00 UTCJeopardy Geneva, Switzerland
ForbiddenBITS CTF 201315 March, 13:00 UTC — 16 March 2013, 13:00 UTCJeopardy On-line
backdoorCTF 201309 March, 15:30 UTC — 11 March 2013, 15:30 UTCJeopardy On-line
Nuit du Hack CTF Quals 201308 March, 23:00 UTC — 09 March 2013, 23:00 UTCJeopardy On-line
RuCTF Quals 201308 March, 14:00 UTC — 10 March 2013, 14:00 UTCJeopardy On-line
Codegate CTF Preliminary 201301 March, 12:00 UTC — 03 March 2013, 00:00 UTCJeopardy On-line
Nullcon "Battle Underground"01 March, 04:30 UTC — 02 March 2013, 11:30 UTCJeopardy On-line missing the scoreboard
Ghost in the Shellcode 201315 Feb., 20:30 UTC — 17 Feb. 2013, 18:30 UTCJeopardy On-line
HackIM 201324 Jan., 23:59 UTC — 26 Jan. 2013, 23:59 UTCJeopardy On-line
ATAST CTF 201229 Dec., 08:00 UTC — 30 Dec. 2012, 20:00 UTCJeopardy On-line
29c3 CTF27 Dec., 13:37 UTC — 29 Dec. 2012, 23:42 UTCJeopardy On-line
PHD CTF Quals 201215 Dec., 06:00 UTC — 17 Dec. 2012, 06:00 UTCJeopardy On-line
rwthCTF 201230 Nov., 13:00 UTC — 01 Dec. 2012, 01:00 UTCAttack-Defense On-line
RuCTFE 201224 Nov., 15:00 UTC — 25 Nov. 2012, 01:30 UTCAttack-Defense On-line
PoliCTF 201217 Nov., 19:00 UTC — 18 Nov. 2012, 19:00 UTCJeopardy On-line
CSAW CTF Final Round 201215 Nov., 18:00 UTC — 17 Nov. 2012, 18:00 UTCJeopardy NY, USA
CSCAMP CTF Quals 201209 Nov., 06:00 UTC — 11 Nov. 2012, 06:00 UTCJeopardy On-line
Power of XX 201208 Nov., 01:00 UTC — 08 Nov. 2012, 09:00 UTCJeopardy Seoul, Republic of Korea missing the scoreboard
Hackfest 201202 Nov., 23:00 UTC — 03 Nov. 2012, 07:00 UTCAttack-Defense Quebec, Canada
Hack.lu CTF 201223 Oct., 07:00 UTC — 25 Oct. 2012, 07:00 UTCJeopardy On-line
Ruxcon CTF 201220 Oct., 09:00 UTC — 20 Oct. 2012, 15:00 UTCAttack-Defense Melbourne, Australia missing the scoreboard
GreHack CTF 201219 Oct., 16:00 UTC — 20 Oct. 2012, 02:00 UTCJeopardy Grenoble, France missing the scoreboard
HitbSecConf CTF (Kuala Lumpur) 201208 Oct., 05:00 UTC — 11 Oct. 2012, 14:00 UTCAttack-Defense Kuala Lumpur, Malaysia
CSAW CTF Qualification Round 201228 Sept., 14:00 UTC — 30 Sept. 2012, 14:00 UTCJeopardy On-line
DerbyCon 201227 Sept., 09:00 UTC — 28 Sept. 2012, 09:00 UTCHack quest Louisville, KY, USA missing the scoreboard
BaltCTF 201226 Aug., 06:00 UTC — 26 Aug. 2012, 14:00 UTCHack quest Kaliningrad, Russia
InCTF 201217 Aug., 06:00 UTC — 19 Aug. 2012, 14:00 UTCJeopardy India, Kerala missing the scoreboard
DEF CON CTF 201227 July, 06:00 UTC — 29 July 2012, 10:00 UTCAttack-Defense Las Vegas, NV, USA Prequalified teams only
SECUINSIDE CTF Finals 201210 July, 06:00 UTC — 11 July 2012, 06:00 UTCJeopardy Seul, Republic of Korea
Nuit du Hack CTF Finals 201223 June, 06:00 UTC — 24 June 2012, 15:00 UTCAttack-Defense France, Paris
SECUINSIDE CTF Quals 201209 June, 02:00 UTC — 11 June 2012, 02:00 UTCJeopardy On-line
DEF CON CTF Qualifier 201202 June, 00:00 UTC — 04 June 2012, 00:00 UTCJeopardy On-line
PHD CTF Finals 201230 May, 12:00 UTC — 31 May 2012, 18:00 UTCAttack-Defense Moscow, Russia
HITB CTF 201224 May, 10:00 UTC — 25 May 2012, 17:00 UTCAttack-Defense Amsterdam, Netherlands
BaltCTF Quals 201218 May, 20:00 UTC — 20 May 2012, 19:59 UTCJeopardy On-line
PlaidCTF 201227 April, 21:00 UTC — 28 April 2012, 21:00 UTCJeopardy On-line
RuCTF Finals 201221 April, 09:00 UTC — 21 April 2012, 20:00 UTCAttack-Defense Yekaterinburg, Russia
Codegate CTF Finals 201202 April, 01:00 UTC — 03 April 2012, 01:00 UTCJeopardy Seoul, Republic of Korea
Nuit du Hack CTF Quals 201224 March, 23:16 UTC — 25 March 2012, 23:16 UTCJeopardy On-line
RuCTF Quals 201216 March, 21:00 UTC — 18 March 2012, 21:00 UTCJeopardy On-line
Codegate CTF Preliminary 201224 Feb., 12:00 UTC — 26 Feb. 2012, 00:00 UTCJeopardy On-line
ForbiddenBITS CTF 201211 Feb., 09:00 UTC — 13 Feb. 2012, 22:00 UTCJeopardy On-line
Mozilla CTF 201225 Jan., 21:00 UTC — 26 Jan. 2012, 21:00 UTCJeopardy On-line
Ghost in the Shellcode 201206 Jan., 14:00 UTC — 07 Jan. 2012, 14:00 UTCJeopardy On-line
PHD CTF Quals 201110 Dec., 10:00 UTC — 11 Dec. 2011, 10:00 UTCJeopardy On-line
UCSB iCTF 201102 Dec., 04:00 UTC — 03 Dec. 2011, 01:00 UTCAttack-Defense On-line
RuCTFE 201119 Nov., 15:00 UTC — 20 Nov. 2011, 00:00 UTCAttack-Defense On-line
CSAW CTF Final Round 201110 Nov., 08:00 UTC — 11 Nov. 2011, 08:00 UTCAttack-Defense
Power of XX 201103 Nov., 01:00 UTC — 03 Nov. 2011, 11:00 UTCJeopardy On-site, Seoul, Korea missing the scoreboard
EnoWars 201107 Oct., 06:00 UTC — 07 Oct. 2011, 14:00 UTCJeopardy On-line
rwthCTF 201130 Sept., 17:00 UTC — 01 Oct. 2011, 04:00 UTCAttack-Defense On-line
CSAW CTF Qualification Round 201123 Sept., 20:00 UTC — 25 Sept. 2011, 20:00 UTCJeopardy On-line
Hack.lu CTF 201119 Sept., 09:00 UTC — 21 Sept. 2011, 09:00 UTCJeopardy On-line
SibCTF Finals 201111 Sept., 06:00 UTC — 12 Sept. 2011, 14:00 UTCJeopardy Tomsk, Russia missing the scoreboard
DEF CON CTF 201104 Aug., 06:00 UTC — 07 Aug. 2011, 14:00 UTCAttack-Defense Las Vegas, NV, USA Prequalified teams only
SibCTF Quals 201130 June, 20:00 UTC — 02 July 2011, 20:00 UTCJeopardy On-line missing the scoreboard
DEF CON CTF Qualifier 201103 June, 19:00 UTC — 04 June 2011, 01:00 UTCJeopardy On-line
dCTF 201128 May, 04:30 UTC — 28 May 2011, 12:30 UTCJeopardy On-line
PHD CTF Finals 201119 May, 15:00 UTC — 20 May 2011, 15:00 UTCAttack-Defense Moscow, Russia
PlaidCTF 201122 April, 00:00 UTC — 24 April 2011, 00:00 UTCJeopardy On-line
Nuit du Hack CTF Quals 201103 April, 21:13 UTC — 03 April 2011, 21:13 UTCJeopardy On-line
Codegate CTF Finals 201101 April, 17:32 UTC — 02 April 2011, 17:32 UTCJeopardy Seoul, Republic of Korea
RuCTFE 201018 Dec., 16:00 UTC — 19 Dec. 2010, 04:00 UTCAttack-Defense On-line
UCSB iCTF 201001 Dec., 00:00 UTC — 02 Dec. 2010, 00:00 UTCAttack-Defense On-line
RuCTF Finals 201026 April, 04:00 UTC — 26 April 2010, 14:00 UTCAttack-Defense Yekaterinburg, Russia missing the scoreboard
UCSB iCTF 200901 Dec., 00:00 UTC — 02 Dec. 2009, 00:00 UTCAttack-Defense On-line
RuCTF Finals 200926 April, 04:00 UTC — 26 April 2009, 13:00 UTCAttack-Defense Yekaterinburg, Russia missing the scoreboard
UCSB iCTF 200801 Dec., 00:00 UTC — 01 Dec. 2008, 00:00 UTCAttack-Defense On-line missing the scoreboard
RuCTF Finals 200827 April, 06:00 UTC — 27 April 2008, 14:00 UTCAttack-Defense Yekaterinburg, Russia missing the scoreboard
UCSB iCTF 200701 Dec., 00:00 UTC — 02 Dec. 2007, 00:00 UTCAttack-Defense On-line
UCSB iCTF 200601 Dec., 00:00 UTC — 01 Dec. 2006, 00:00 UTCAttack-Defense On-line
UCSB iCTF 200501 Dec., 00:00 UTC — 02 Dec. 2005, 00:00 UTCAttack-Defense On-line