Official URL
Total events: 16
Avg weight: 46.30
The UCSB International Capture The Flag (also known as the iCTF) is a distributed, wide-area security exercise, whose goal is to test the security skills of the participants....
Official URL
Total events: 14
Avg weight: 22.42
Trend Micro CTF - Raimund Genes Cup is a capture the flag competition hosted by Trend Micro, a global leader in cybersecurity with a mission to make the world safe for exchan...
Official URL
Total events: 13
Avg weight: 31.43
RuCTF is annual open all-Russian intercollegiate competition and conference on information security.
On-site finals of RuCTF (https://ctftime.org/ctf/6) in Yekaterinburg...
Official URL
Total events: 12
Avg weight: 81.14
Online qualifier for the Vegas finals.
Binjitsu by ddtek (... — 2012)
Legitimate Business Syndicate (2013 — 2017)<...
Official URL
Total events: 12
Avg weight: 82.60
Vegas finals.
Binjitsu by ddtek (... — 2012)
Legitimate Business Syndicate (2013 — 2017)
Official URL
Total events: 12
Avg weight: 74.30
International online challenge in information security. Previously known as RuCTFE.
Good choice to start playing A/D, because we're providing vulnbox in our cloud, s...
Official URL
Total events: 12
Avg weight: 36.92
CSAW CTF is a entry-level CTF, designed for undergraduate students who are trying to break into security. Challenges are specifically designed to point students in directions...
Official URL
Total events: 11
Avg weight: 23.98
VolgaCTF is an international inter-university cybersecurity competition organised by a group of IT enthusiasts based in Samara, Russia.
The competition consists of 2 ...
Official URL
Total events: 11
Avg weight: 31.91
CTF Securinets Quals 2015 is an on-line jeopardy style CTF organized by Tunisian student.
You can find more details on our website: https://ctfsecurinets.tech/
Official URL
Total events: 10
Avg weight: 63.64
Annual Capture The Flag hosted by the Google Security Team.
Official URL
Total events: 10
Avg weight: 40.86
Midnight Sun CTF is HackingForSoju's annual CTF event to promote competition around the world.
The final event is in June (15th-16th) in Stockholm, Sweden, with the ...
Official URL
Total events: 9
Avg weight: 29.17
What: Jeopardy style CTF hacking competition
When: April 12th & 13th 2018
Where: On site at HITB2018AMS @ NH Krasnapolsky
Who: Max of 24 teams with up to 3 pla...
Official URL
Total events: 8
Avg weight: 30.38
NorthSec is the world's biggest on-site CTF, opposes 75 teams of 8 people trying to obtain the most points by capturing flags during an intense 48 hour-long competition (Fri-...
Official URL
Total events: 8
Avg weight: 33.69
BackdoorCTF is an online jeopardy style event.
Discord invite for the competition is https://discord.gg/skN4Mj, Communication at other times can be made through https...
Official URL
Total events: 8
Avg weight: 26.78
VolgaCTF is an international inter-university cybersecurity competition organised by a group of IT enthusiasts based in Samara, Russia.
The competition consists of 2 ...
Official URL
Total events: 8
Avg weight: 18.48
WhiteHat Grand Prix, a Capture The Flag competition, is held annually by WhiteHatVN.com, leading cyber security forum in Vietnam.
Official URL
Total events: 7
Avg weight: 48.23
bi0sCTF is brought to you by CTF team bi0s of Amrita Viswa Vidyapeetham, Amritapuri.
Official URL
Total events: 7
Avg weight: 24.25
GreHack CTF is onsite jeopardy style CTF held each year at the occasion of GreHack Conference.
Official URL
Total events: 7
Avg weight: 50.56
Geared primarily towards high school students but with a very wide range of challenge difficulty.
Official URL
Total events: 7
Avg weight: 55.39
FAUST CTF is an online attack-defense CTF organized by FAUST, the CTF team of Friedrich-Alexander University Erlangen-Nürnberg
Official URL
Total events: 7
Avg weight: 63.86
A yearly(?) CTF organized by hxp.
See CTF archive: https://ctf.hxp.io/
Official URL
Total events: 7
Avg weight: 32.71
m0leCon CTF is a jeopardy-style CTF that takes place during the m0leCon conference at the Politecnico di Torino. In 2022 there will be an online teaser CTF on the 13-14 of Ma...
Official URL
Total events: 6
Avg weight: 46.00
All tasks are available here: http://ctfarchive.phdays.com/
Official URL
Total events: 6
Avg weight: 18.46
HackCon is a jeopardy style competition that includes challenges in the domain of Reverse Engineering, Web Exploitation, Clever Scripting, Automation and general "hacks".
...
Official URL
Total events: 6
Avg weight: 0.00
Highly recommended as anyone's first CTF, picoCTF is a traditional challenge-based competition with a two-week annual competition period that rolls into a year-round accessib...
Official URL
Total events: 6
Avg weight: 22.80
CTF hosted by the Special interest Group for Computer
Security (SIGPwny) at the University of Illinois in Urbana-Champaign.
Official URL
Total events: 6
Avg weight: 56.43
Brazilian Thematic CTF, organized by Epic Leet Team members.
Most original and multidisciplinary competition in the world!
Official URL
Total events: 6
Avg weight: 26.63
The first ever CTF run entirely by high schoolers!
Infra sponsored by goo.gle/ctfsponsorship!
Official URL
Total events: 6
Avg weight: 35.51
The CSR will be back in 2021.
Again we'll have fun tasks and awesome prices.
Details will follow.
Official URL
Total events: 6
Avg weight: 43.43
The Real World CTF 2018, which is in jeopardy style, has an
on-line qualification round followed by an on-site, hands-on
final round in China where all challenges a...
Official URL
Total events: 6
Avg weight: 24.24
X-MAS CTF is the competition organized by HTsP with the purpose of learning and having fun while solving jeopardy-style challenges.
We welcome both beginners and expe...
Official URL
Total events: 6
Avg weight: 25.00
The Hackfest CTF is a (currently remote, usually on-site) event that offers multiple CTFs in one night, ranging various levels of difficulty.
- 400+ players
- Over...
Official URL
Total events: 5
Avg weight: 19.67
DEF CON OpenCTF! Now with a feline touch.
2019-? Neg9 https://ctftime.org/team/303
2014?-2018 v& https://ctftime.org/team/359
Official URL
Total events: 5
Avg weight: 23.32
In support of STEM outreach, MITRE hosts an annual Capture the Flag (CTF) competition. High school and undergraduate college students have the opportunity to compete in cyber...
Official URL
Total events: 5
Avg weight: 0.00
WhiteHat Challenge is a CTF contest held periodically by WhietHat.vn for beginners in learning or researching cybersecurity as system admins, students in technical schools, e...
Official URL
Total events: 5
Avg weight: 25.00
CyberTalents is a platform that ranks cyber security professionals across the globe by running CTF competitions
Official URL
Total events: 5
Avg weight: 30.41
Annual CTF organized by Square. Puzzles range from easy (welcome new comers!) to hard.
Official URL
Total events: 5
Avg weight: 24.47
This is the CTF for the BSidesSF conference. Challenges available online or in-person. Most challenges will be introductory to medium difficulty. Prizes sponsored by Facebook...
Official URL
Total events: 5
Avg weight: 19.48
The US Air Force, along with the Defense Digital Service, is challenging hackers from around the world to focus their skills and creativity to help achieve more secure operat...
Official URL
Total events: 5
Avg weight: 21.25
SecureBug is organizing another CTF.
Enjoy with your friends solving a number of challenges in different categories varying from basic to hard level.
This CTF is f...
Official URL
Total events: 5
Avg weight: 23.58
Academic
5 stages CTF Championship
Awards ceremony / Ceremonia de premiación: February 23rd, 2022
The invitation will be sent to all participants in Febr...
Official URL
Total events: 4
Avg weight: 46.15
All tasks are available here: http://ctfarchive.phdays.com/
Official URL
Total events: 4
Avg weight: 12.50
Hackfest is a 2 day conference from 8am to 18pm and a 2 hacking games nights from 19pm to 3am, in Quebec, Canada. See games descriptions here
http://www.hackfest.ca/en/...
Official URL
Total events: 4
Avg weight: 28.33
BCTF 2014 is a national contest in China.
From the year 2015, BCTF will be opened to all participants around the world.
Official URL
Total events: 4
Avg weight: 25.00
School CTF is a CTF competitions organized by SiBears team annually since 2010. This is a task-based (jeopardy style) CTF that only lasts for 5 hours, so we meet the constrai...
Official URL
Total events: 4
Avg weight: 20.19
WhiteHat Contest, a Capture The Flag contest, is held periodically by WhiteHat.vn, leading cyber security forum in Vietnam. WhiteHat Contest 11th will be the first Contest to...
Official URL
Total events: 4
Avg weight: 5.00
On-site CTF for beginners, hosted by schools and universities around Russia and other CIS countries.
Official URL
Total events: 4
Avg weight: 20.56
Codefest presents Capture the Flag, inviting all hackers to show off their skills on a global platform. It provides students with an opportunity to tackle computer security p...
Official URL
Total events: 4
Avg weight: 39.36
Security Fest is an annual IT-security conference in Gothenburg, Sweden.
We're happy to have the great guys and gals at SecureLink as our premium sponsor. Awesome!
Official URL
Total events: 4
Avg weight: 21.50
The Toulouse Hacking Convention is a french cybersecurity event, that brings together more than 350 participants each year, from various backgrounds : students, professionals...
Official URL
Total events: 4
Avg weight: 19.41
A CTF conducted by BITSkrieg and Quark for the annual technical fest of BITS Goa. (Total Prize Pool: 20,000 INR)
Official URL
Total events: 4
Avg weight: 12.37
A Middle School focused CTF event.
Everyone is welcome to come join in the fun, but Middle School / Jr. High students will be scored separately for prizes.
Go to o...
Official URL
Total events: 4
Avg weight: 23.31
In modern times the Internet is the vital of our society, which inevitably brings about cyber crimes, increasing in number and quantity. In late years the importance of infor...
Official URL
Total events: 4
Avg weight: 28.92
On-site prequalified All-Russian students and schoolchildren CTF organized by HSE CTF team. VK: vk.com/hsectf TG: t.me/hsectf
Official URL
Total events: 4
Avg weight: 25.00
Ph0wn is a jeopardy style CTF dedicated to smart devices (IoT, embedded systems, smart phones…). Example: challenges on connected weather station, IP webcams, smart phones et...
Official URL
Total events: 4
Avg weight: 0.00
CTF Russian Cup is an annual wide CTF tournament between the winners of russian regional CTF-competitions.
Official URL
Total events: 4
Avg weight: 21.88
Hola hackers! Team NullKrypt3rs from IIITA is excited to announce b00t2root '20. A jeopardy style team CTF for the awesome infosec community .
Get ready for some excitin...
Official URL
Total events: 4
Avg weight: 34.28
Online, jeopardy-style CTF run by the Information & Systems Security Society at the University of Texas at Austin. Free to play, with prizes offered to University teams. Open...
Official URL
Total events: 4
Avg weight: 28.95
WPICTF, hosted by Worcester Polytechnic Institute Cyber Security Club.
Official URL
Total events: 4
Avg weight: 36.80
Official URL
Total events: 4
Avg weight: 28.84
CTF Name: b01lers CTF
Event Logo: Attached
Start Time: 00:00 UTC March 14
End Time: 00:00 UTC March 16
Official Site URL: ctf.b01lers.com
Event Forma...
Official URL
Total events: 4
Avg weight: 36.08
Crypto CTF is an online competition for hackers to test, evaluate, and expand their cryptography exploiting skills. In this CTF we will provide various crypto challenges rega...
Official URL
Total events: 4
Avg weight: 31.58
CyBRICS is a cross-university effort to bring students in BRICS countries into practical computer security through CTFs
Official URL
Total events: 4
Avg weight: 36.55
Hi CTFers,
ALLES! is looking forward to host their second CTF which will be held during the first weekend of September 2020. This Jeopardy style CTF is open to everyo...
Official URL
Total events: 4
Avg weight: 34.31
HackPack CTF is a security competition that is part of two security courses at NCSU: CSC-405 Computer Security and CSC-591 Systems Attacks and Defenses. The target audience i...
Official URL
Total events: 4
Avg weight: 27.46
Ugra CTF is an open academic information security competition for beginners.
This CTF is organized by [team Team] in a joint effort with Ugra Research Institute of In...
Official URL
Total events: 4
Avg weight: 0.00
Cyber Talents is a platform that ranks cyber security talents according to their real hands
on skills in different cyber security categories by running capture the flag ...
Official URL
Total events: 4
Avg weight: 32.92
Student CTF is a novice-level Capture The Flag organized by SPbCTF and supported by St. Petersburg Committee for Science and Higher Education.
Free-to-play track is ...
Official URL
Total events: 3
Avg weight: 53.33
DEPRECATED :)
Qualifying event for RuCTF is RuCTFE now
Official URL
Total events: 3
Avg weight: 0.00
- About
Power of XX is a hacking contest CTF for WOMEN Only. It is held as an event at hacking & security conference POC (http://powerofcommunity.net) since 2011. It'...
Official URL
Total events: 3
Avg weight: 31.10
PoliCTF is an online jeopardy-style capture-the-flag competition, open to participants from all over the world.
Official URL
Total events: 3
Avg weight: 17.72
Who
The CTF is run by the Hamburg local chapter of the Chaos Computer Club during the Hackover event.
IRC
#hackover-ctf on irc.hackint.org:6697 (TLS only!)....
Official URL
Total events: 3
Avg weight: 26.60
Signup and play at: http://ctf.420blaze.in
Chat at:
#hackerswhoblaze on freenode or https://blazeit.stamplayapp.com/
Video stream: http://420blaze.tv/
Official URL
Total events: 3
Avg weight: 0.00
PACTF is a global cybersecurity competition for high-school students. See https://en.wikipedia.org/wiki/PACTF.
Official URL
Total events: 3
Avg weight: 27.45
MeePwn CTF is an online competition designed for everyone who interested in cybersecurity. It is organized by MeePwn Team, a Team of security researchers and CTF players from...
Official URL
Total events: 3
Avg weight: 31.98
SEC-T is non-profit annual IT security conference held in Stockholm, Sweden. This time we celebrate 10 years. We celebrate this with a retro-CTF. The date is Wednesday 13/9 1...
Official URL
Total events: 3
Avg weight: 19.81
Kaspersky Industrial CTF Finals will be held at SAS conference (https://sas.kaspersky.com) in Singapore 8-9 April, 2019. Teams qualified to the finals based on quals:
1....
Official URL
Total events: 3
Avg weight: 21.36
Be the Devil in a quest of questions. Ride in the nightmares of all programmers, and steal the points from right under their buggy noses. The CTF for all the evil geniuses ou...
Official URL
Total events: 3
Avg weight: 36.26
A Capture the Flag Competition held by Byte Bandits, IIT Indore’s academic CTF team.
Official URL
Total events: 3
Avg weight: 18.33
This year, HITB-XCTF GSEC Capture the Flag contest will again be co-organized by HITB and XCTF League from China! An Attack & Defense Style CTF competition is planned for the...
Official URL
Total events: 3
Avg weight: 34.34
For more information about redpwnCTF, visit: https://ctf.redpwn.net
Official URL
Total events: 3
Avg weight: 27.32
Ho Ho Ho, it's that time of year where many people count down the days to Christmas.
Traditionally, an advent calendar is used which yields one piece of chocolate ev...
Official URL
Total events: 3
Avg weight: 24.61
TG:HACK is a beginner friendly jeopardy style CTF. It is both onsite and online, as well as a wargame. Our focus is making guiding tasks for beginners, and challenging tasks ...
Official URL
Total events: 3
Avg weight: 36.66
TSG is the official computer society of The University of Tokyo, and also the name of the CTF team organized by its members.
Acquiring chance of organizing two domestic...
Official URL
Total events: 3
Avg weight: 17.49
UUTCTF is a student CTF competition which is going to be held by Urmia University of Technology (http://uut.ac.ir). The organization is going to be held in corporation with U...
Official URL
Total events: 3
Avg weight: 38.47
This year, we'll hold Balsn CTF 2020 with high-quality and creative challenges!
We cordially invite your team to join this party!
Organizers: Balsn (https://bals...
Official URL
Total events: 3
Avg weight: 22.18
YauzaCTF is the first large competition organized by university CTF-team SFT0 from Bauman Moscow State Technical University in Moscow, Russsia.
Official URL
Total events: 3
Avg weight: 0.00
peaCTF, Phillips Exeter Academy’s Capture the Flag, is a free online computer security competition for middle school and high school students. Teams of 1-5 competitors decryp...
Official URL
Total events: 3
Avg weight: 24.33
BCACTF is a jeopardy-style competition hosted by the CTF Club at the Bergen County Academies.
Official URL
Total events: 3
Avg weight: 24.64
Supported by XCTF.
One of the XCTF series.
Champion will be invited to the XCTF Finals.
Official URL
Total events: 3
Avg weight: 18.48
Event description:
Affinity CTF contest is a side project for conference Affinity Akamai Tech Talks conducted in Krakow Poland and organized by Akamai. It consists of a ...
Official URL
Total events: 3
Avg weight: 37.01
The CTF with a disturbing lack of taste, combining binary-heavy challenges with questionable memes and bad puns!
Official URL
Total events: 3
Avg weight: 27.81
A beginner/medium CTF made by students from Hack2g2. The fourth edition made online for this year because COVID.
We will accept 50 teams of 4 person each. Everyone is...
Official URL
Total events: 3
Avg weight: 26.42
Reply will be hosting the Reply Cyber Security Challenge, at its fourth edition, a team competition open to both students and professionals aged 16+. The online challenge wil...
Official URL
Total events: 3
Avg weight: 25.25
Organized by @Vidar, @CNSS, @L-Team, the 1st D^3CTF is coming!
Our teams have hosted the HCTF and LCTF for years, and in 2019 we decided to co-host this brand new CTF...
Official URL
Total events: 3
Avg weight: 30.26
CTF event organized by justCatTheFish team.
Official website TBA :)
Questions: [email protected]
Official URL
Total events: 3
Avg weight: 24.14
It’s time for another Metasploit community CTF! Last year’s beginner-friendly CTF attracted a wider range of audiences and skill levels than in previous years, so we’re repli...
Official URL
Total events: 3
Avg weight: 35.00
saarCTF is an annual Attack-Defense CTF competition organized by saarsec, the CTF team of Saarland University.
Official URL
Total events: 3
Avg weight: 0.00
Moroccan Cyber Security Camp (MCSC) is an annual event full of various activities like conferences and the workshops guided by professional people and experts in the cuber se...
Official URL
Total events: 3
Avg weight: 37.74
zer0pts CTF is a Jeopardy-style CTF held by zer0pts, a Japanese CTF team.
Official URL
Total events: 3
Avg weight: 28.60
A college CTF hosted by the OSU Security Club.
Hosted November 6, 00:00 UTC - November 8, 00:00 UTC
Official URL
Total events: 3
Avg weight: 29.46
UMBC's annual CTF. Beginner level CTF aimed at college students, but open to all!
Official URL
Total events: 3
Avg weight: 34.56
UMDCTF the annual CTF hosted by the University of Maryland Cybersecurity Club!
Official URL
Total events: 3
Avg weight: 30.56
WeCTF is a CTF with only web challenges. Our vision is to help expose some of the latest vulnerabilities in the web technologies, such as JIT-based side channeling and race c...
Official URL
Total events: 3
Avg weight: 28.34
DownUnderCTF is a online world-wide Capture The Flag (CTF) competition targeted at Australian High School and University Students. Its main goal is to try to up-skill the nex...
Official URL
Total events: 3
Avg weight: 22.37
The Tenable Capture the Flag is a Jeopardy-style competition that includes challenges on a range of topics. All skill levels are welcome to compete! Challenges will vary in d...
Official URL
Total events: 3
Avg weight: 19.60
Registration link: https://ctf.winja.site/register
Win subscriptions to OffSec training, HackTheBox, Pentester Academy, and many more.
Sponsor:
Android</...
Official URL
Total events: 2
Avg weight: 25.00
Attack and defense CTF contest over 3 days for 20 winning teams (3–5 members per team) from various Capture the Flag contests from around the world.
Official URL
Total events: 2
Avg weight: 24.06
A 48 hour Jeopardy style CTF hosted every US presidential election.
Official URL
Total events: 2
Avg weight: 20.72
Hack Dat Kiwi (Kiwi CTF)
Hack Dat Kiwi is a new CTF franchise designed by security researchers and hackers with the aim of creating quality challenges that the partic...
Official URL
Total events: 2
Avg weight: 25.00
Moroccan Cyber Security Camp (MCSC) is an annual event full of various activities like conferences and the workshops guided by professional people and experts in the cuber se...
Official URL
Total events: 2
Avg weight: 0.00
Moscow CTF School 2020 is a jeopardy-style school CTF for Russian school teams, but it will also be available student teams. Student teams will have separate scoreboard and n...
Official URL
Total events: 2
Avg weight: 24.00
The 318br, DESEC (sponsor), and Sucuri Capture The Flag (also known as the 3DSCTF) is the first edition of a brazilian competition which goal is to test the hacker skills of ...
Official URL
Total events: 2
Avg weight: 19.70
Xiomara CTF is the second edition of the Annual CTF conducted as part of Anokha 2017, the annual technical fest of Amrita School of Engineering, Coimbatore. With challenges f...
Official URL
Total events: 2
Avg weight: 0.00
NSK CTF is a challenge in information security among russian universities and schools. Located in Novosibirsk
