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CTFs

  • corCTF

    Official URL
    Total events: 3
    Avg weight: 30.95

    Organized by the Crusaders of Rust (a.k.a. Starrust Crusaders), an American and European collegiate team.

  • TyphoonCon CTF

    Official URL
    Total events: 3
    Avg weight: 15.25

    SSD Secure Disclosure invites you to take part in TyphoonCon CTF: specially crafted challenges alongside fantastic prizes – all focused on what matters most to our community:...

  • CyberSci

    Official URL
    Total events: 3
    Avg weight: 0.00

    CyberSci is Canada's national Cyber Security Challenge for university and college students.
    - Think you've got an elite team of students? Come and prove it. Compete a...

  • Digital Overdose CTF

    Official URL
    Total events: 3
    Avg weight: 27.61

    Pluri-disciplinary bi-annual CTF event hosted on a weekend.
    Broached subjects: Web exploitation, static code analysis, osint, binary analysis, etc.
    Within scope of...

  • Pwnme

    Official URL
    Total events: 3
    Avg weight: 23.55

    CTF Jeopardy

    Every year with a 26,000 € pool prize

    organized by Ecole 2600.

    Challenges: web, crypto, pwn, forensic, prog, misc, reverse and Osint.

  • Stack The Flags

    Official URL
    Total events: 3
    Avg weight: 0.00

    STACK the Flags is a 48-hour, online jeopardy style Capture-the-Flag competition organised by GovTech’s Cyber Security Group. Participants will get to compete and test their ...

  • CrypT_Find

    Official URL
    Total events: 3
    Avg weight: 0.00

    It is a Jeopardy style CTF
    3 days Online Workshop prior to the first round
    First round will be 24-hour online challenge
    Second round will be 12-hour offline ch...

  • Hack a Bit

    Official URL
    Total events: 3
    Avg weight: 0.00

    Hack a Bit is a youth cyber education program that has three rounds of competition. The first round is an exam whereas the second and third rounds are traditional CTFs. Most ...

  • ForbiddenBITS CTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 40.00

  • BaltCTF Quals

    Official URL
    Total events: 2
    Avg weight: 25.00

  • HitbSecConf CTF (Kuala Lumpur)

    Official URL
    Total events: 2
    Avg weight: 25.00

  • Facebook security hacker competition

    no logo

    Official URL
    Total events: 2
    Avg weight: 5.00

  • UFO CTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 20.00

  • Sharif University CTF Finals

    Official URL
    Total events: 2
    Avg weight: 10.00

  • No cON Name CTF Quals

    no logo

    Official URL
    Total events: 2
    Avg weight: 20.00

  • NotSoSecure CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

  • OWASP CTF

    Total events: 2
    Avg weight: 20.00

  • HITB PRO CTF

    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.

  • 9447 Security Society CTF

    Official URL
    Total events: 2
    Avg weight: 30.00

  • QIWI CTF

    Total events: 2
    Avg weight: 10.47

  • STMCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    STMCTF'17 is an offline CTF organized by STM.

  • Hack The Vote

    no logo

    Official URL
    Total events: 2
    Avg weight: 24.06

    A 48 hour Jeopardy style CTF hosted every US presidential election.

  • Kiwi CTF

    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...

  • Belluminar

    Official URL
    Total events: 2
    Avg weight: 0.00

  • SSCTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 9.18

  • Sthack

    no logo

    Total events: 2
    Avg weight: 0.00

  • ScytheCTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 0.00

  • IceCTF

    Official URL
    Total events: 2
    Avg weight: 22.91

  • ABCTF

    no logo

    Total events: 2
    Avg weight: 0.00

  • LabyREnth

    no logo

    Official URL
    Total events: 2
    Avg weight: 0.00

  • Moroccan Cyber Security Camp

    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...

  • SibirCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    Tomsk, Russian Federation

  • Moscow CTF School

    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...

  • 3DSCTF

    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 ...

  • Game of Pwners

    no logo

    Official URL
    Total events: 2
    Avg weight: 0.00

  • XiomaraCTF

    no logo

    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...

  • NSK CTF

    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

  • April Fools' GTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 13.00

  • EasyCTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 25.00

  • SHA CTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 24.59

    The official SHA2017 CTF SHA2017 is a non profit outdoor Hacker camp taking place in The Netherlands in 2017 on August 4th to 8th. It is the successor of a string of similar ...

  • Riscure Hack me CTF

    no logo

    Total events: 2
    Avg weight: 21.57

  • Shellter Hacking Express

    Official URL
    Total events: 2
    Avg weight: 0.00

    Shellter Hacking Express (SHX) is quick CTF, with only 3 challeges and 4 hours duration and open and free for everyone. It happens every first Sunday of a month.

  • HCTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 31.00

    The HCTF has been hosted by Vidar-Team for ten years. In the last year, our 10th HCTF, we've gained a weight of 37.00. And in this year, we decided to co-host with L-Team and...

  • FarEastCTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 23.40

    FarEastCTF - this is the first in the Far East interregional open team competition in the field of information security (CTF format Jeopardy) for students and schoolkids. Org...

  • Harekaze CTF

    Official URL
    Total events: 2
    Avg weight: 28.80

    CTF organized by Harekaze.

  • PSUT

    no logo

    Total events: 2
    Avg weight: 0.00

  • AceBear Security Contest

    Official URL
    Total events: 2
    Avg weight: 30.32

    AceBear Security Contest is a CTF competition hosted by AceBear Team. Our CTF competition's aim is to create a playground for all people who have passion in InfoSec.

  • Timisoara CTF

    Official URL
    Total events: 2
    Avg weight: 25.00

    Timisoara CTF is an international jeopardy-style cybersecurity competition, dedicated to high-school students, community-organized in Timisoara, Romania, under Banat IT Assoc...

  • TyumenCTF

    Official URL
    Total events: 2
    Avg weight: 20.71

    Online CTF for beginners.

  • NoNameCon CTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 25.00

  • WCTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 13.00

    WCTF is organized by 360 Vulcan Team and exclusively sponsored by Qihoo 360.

  • ICON CTF

    Official URL
    Total events: 2
    Avg weight: 25.00

    ICON 2018 is a two-days event around cyber security and artificial intelligence. A Capture The Flag competition will take place on September 14 in Geneva, in which 8 teams wi...

  • FireShell Security Team CTF

    Official URL
    Total events: 2
    Avg weight: 27.43

    The FireShell CTF is a Brazilian event in jeopardy style. The proposal is to test participants' hacking skills in a challenging yet fun environment.

  • SpamAndFlags

    Official URL
    Total events: 2
    Avg weight: 27.58

    The moment you've all been waiting for is finally here: the #19^W #25 team on ctftime in 2017^W 2018 is organizing its own second CTF.

    ▀█▀ █░█ █▀▀ █▀█ █▀▀ ▀ █░░ █░░ ...

  • BTH_CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

  • CTF 313

    Official URL
    Total events: 2
    Avg weight: 20.71

    Jeopardy style CTF held at the Converge Detroit Conference (convergeconference.org).
    Many challenges can be solved online but there are challenges that can only be solv...

  • CInsects CTF

    Official URL
    Total events: 2
    Avg weight: 17.38

    An attack-defense CTF with multiple virtual machines per team. Organized by the CInsects from the Universität Hamburg.

  • CUCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    CUCTF is an intermediate-level CTF with beginner-friendly challenges geared towards learning.

  • CIC_CTF

    Official URL
    Total events: 2
    Avg weight: 1.00

    The CIC (Canadian Institute for Cybersecurity) is inviting all undergraduate Computer Science, Software Engineering and Information Technology Students across Canada to parti...

  • Really Awesome CTF

    Official URL
    Total events: 2
    Avg weight: 23.49

    An online, open-to-everyone CTF challenge with brand new custom-made challenges, original soundtrack, interface, art and sound effects. The CTF is angled towards the easier l...

  • InnoCTF International

    Official URL
    Total events: 2
    Avg weight: 0.00

    InnoCTF International is an online tournament targeted at high school and college students interested in Computer Science and Cybersecurity.

  • Newbie CTF(N-CTF)

    Official URL
    Total events: 2
    Avg weight: 0.00

    It is the CTF held by the KorNewbie team and two high school information security clubs to celebrate Hangul Day.

    It will be held 24 hours from 00:00 in Korea Standard...

  • HKCTF Open Semi-Final

    Official URL
    Total events: 2
    Avg weight: 0.00

    The first capture-the-flag game in Hong Kong that is open to public and students. Gladly prepared by Hong Kong CTF assoication.

    Prize: TBA

    Sponsored by Alibab...

  • ByteCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    ByteCTF is the first Indian CTF organized by High School students. It is a part of Bal Bharati Public School, Pitampura's Annual Tech fest, Byte.IT.

  • #kksctf

    Official URL
    Total events: 2
    Avg weight: 30.75

    Online events from #kksctf community, Moscow, Russia.

    Based on Information security cathedra of Cybernetics institute of Russian Technological University.

  • NACTF

    Official URL
    Total events: 2
    Avg weight: 26.44

    Newark Academy CTF (NACTF) is an online jeopardy-style cybersecurity competition hosted by Newark Academy's Computer Science Club. Form teams with up to 5 members and partici...

  • Layer7 CTF

    Official URL
    Total events: 2
    Avg weight: 25.00

    Layer7 is a hacking club at Sunrin Internet High School in South Korea.
    We are studying security engineering through offensive security research.
    We will try to for...

  • BambooFox CTF

    Total events: 2
    Avg weight: 24.15

    We are the team called "BambooFox" from NCTU in Taiwan.
    This CTF contains Web, Reverse, Pwn, Crypto, Misc challenges.

  • MAGIC

    Official URL
    Total events: 2
    Avg weight: 0.00

    MAGIC’s CTF competitions are for entry-level high school, college, and nontraditional college students interested in pursuing a career in Cybersecurity. Students compete at ...

  • Syskron Security CTF

    Official URL
    Total events: 2
    Avg weight: 28.50

    The Syskron Security CTF (Capture The Flag) event is a free online cyber security competition for everyone. Our CTF events are focused on industrial security aka OT security....

  • riceteacatpanda

    Official URL
    Total events: 2
    Avg weight: 21.36

    RiceTeaCatPanda is a online, jeapordy-style CTF geared toward beginners that crosses a variety of random ideas and challenges to solve, including but not limited to cryptogra...

  • BACCC Regionals

    Official URL
    Total events: 2
    Avg weight: 0.00

    Bay Area Cyber Competitions regional CTF, created by and for students of the BACCC.

  • Deloitte CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    For the 5th successive year, Deloitte's annual 'Capture the Flag' competition is back. Targeting selected universities across the UK the event is a fantastic opportunity for ...

  • KipodAfterFree CTF

    Official URL
    Total events: 2
    Avg weight: 29.61

    KAF CTF is a global Jeopardy-style information security competition, hosted by the KipodAfterFree team.

    You can expect challenges related to web hacking, reverse engi...

  • BauCTF

    Official URL
    Total events: 2
    Avg weight: 25.00

    BauCTF - hosted by 3P1X , the CTF team of K. N. Toosi University of Technology.

  • IJCTF

    Official URL
    Total events: 2
    Avg weight: 28.59

    Greetings from Innovative Justice aka team Warlock_rootx, We present to you our first ever CTF with the following categories:
    pwn, rev, misc, forensics,stego,crypto, boo...

  • Phantom CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    A hacking event hosted in National Institute of Technology Warangal, India to encourage students at beginner level.
    This CTF will have various types like RE, Binary Expl...

  • X-MAS GTF

    Official URL
    Total events: 2
    Avg weight: 25.00

    This is a joke CTF, done in the GTF (Guess The Flag) style.

    It will take place for 1 day, during April Fools.

    Discord Server: https://discord.gg/UhJ9uea

    ...

  • STAY ~/ CTF

    Official URL
    Total events: 2
    Avg weight: 24.22

    Online Attack-Defence CTF.

  • N0OB_4rMY

    Official URL
    Total events: 2
    Avg weight: 22.37

    N00B_4rMY is a community of Cybersec Enthusiast aswell as a student community lead by some Cyber Security Students from an University in INDIA.

    The team focuses on co...

  • PoseidonCTF

    Official URL
    Total events: 2
    Avg weight: 24.78

    PoseidonCTF is a jeopardy style security capture the flag competition organized by the team from Sousse, with love.
    you can check our website: https://www.sousse.love/

  • FwordCTF

    Official URL
    Total events: 2
    Avg weight: 29.48

    discord: https://discord.gg/beEcn8Q

    FwordCTF is a Capture the Flag (CTF) competition organized by Fword team. It is an online, jeopardy-style competition, which will ...

  • SCTF-XCTF

    Official URL
    Total events: 2
    Avg weight: 24.70

    This is xctf's Southwest Division in China

  • OWASL-IL CTF

    Official URL
    Total events: 2
    Avg weight: 25.00

    OWASP’s AppSec Israel is made by the people who contribute their time, brains, energy, and patience to its success.
    The following people are working to ensure that OWASP...

  • Hacky Holidays

    Official URL
    Total events: 2
    Avg weight: 20.00

    Hacky Holidays is a holiday-themed online game during which participants can solve all sorts of puzzles related to cyber security (such a game is also known as a Capture the ...

  • HACON_CTF

    Official URL
    Total events: 2
    Avg weight: 22.35

    HACON_CTF-2020 a jeopardy Style CTF for beginners and intermediate players and all ethical hackers!! All are invited!

    The event is online based and free for all.

  • MetaCTF

    Official URL
    Total events: 2
    Avg weight: 30.05

    Our team was founded by students at the University of Virginia, and we have been running CTFs since 2014. While there will be plenty of hard problems for those looking for a ...

  • Hack For Troops

    Official URL
    Total events: 2
    Avg weight: 22.33

    Please see our timeline here: https://i.imgur.com/nPIJnRi.png . We'll be starting at 12:01AM Eastern Standard Time, Saturday November 14, 2020.

    For those relatively n...

  • e-Jornadas

    Official URL
    Total events: 2
    Avg weight: 20.44

    The event itself is composed of multiple challenges in diverse areas.

    Organized by RCTS CERT in Portugal

  • Decompetition

    Official URL
    Total events: 2
    Avg weight: 31.00

    Decompetition is an experimental CTF that focuses entirely on reverse engineering. You get a binary and an interactive disassembly diff, and you try to recreate the original...

  • Ledger Donjon CTF

    Official URL
    Total events: 2
    Avg weight: 31.00

    Annual CTF organized by Ledger Donjon, the security team at Ledger.

  • Global CyberPeace Challenge

    Official URL
    Total events: 2
    Avg weight: 0.00

    Global CyberPeace Challenge (GCC) is a journey to recognize and award talent that can build solutions to some of the most pressing cybersecurity problems faced by the society...

  • BlueHens CTF

    Official URL
    Total events: 2
    Avg weight: 23.62

    Organized by the University of Delaware's own CTF team, the BlueHens CTF aims to provide interesting and unique challenges in a jeopardy-style format targeting academic as we...

  • Paradigm CTF

    Official URL
    Total events: 2
    Avg weight: 25.00

    Paradigm CTF is a blockchain-focused CTF for beginners and experts alike

  • 0xL4ugh CTF

    Official URL
    Total events: 2
    Avg weight: 23.01

    Format: Jeopardy

    Official URL: https://0xl4ugh.com/

    Event organizers :
    0xL4ugh Team

  • JUST CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

  • RedTeam

    Total events: 2
    Avg weight: 24.80

    College Level CTF's hosted by college students

  • S.H.E.L.L. CTF

    Official URL
    Total events: 2
    Avg weight: 22.55

    A beginner-friendly CTF with an objective to get the enthusiastic students familiar with the basics, along with a few hard and fun challenges for the professionals.

    ...

  • DragonSec SI CTF

    Official URL
    Total events: 2
    Avg weight: 30.05

    This is a beginner to intermediate level CTF competition. With this CTF we want to introduce more people into the field of cybersecurity. It features web, crypto, rev, pwn, a...

  • MHSCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    Mentor High School's CTF challenge! Open to anyone, anywhere (eligibility rules exist for prizes).

    MHSCTF 2023 started on February 1st at noon Eastern! It runs until ...

  • LIT CTF

    Official URL
    Total events: 2
    Avg weight: 28.70

    Lexington Informatics Tournament CTF 2021 is a Jeopardy-style, beginner-friendly online CTF that's open to everyone. It is hosted by the LexMACS club from Lexington High Scho...

  • LowLandMink's CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    This is the first year for this CTF. We will be hosting a week long event that will happen from November 23rd through the 27th. There will be many different machines to hack....

  • HITB SECCONF CTF

    Official URL
    Total events: 2
    Avg weight: 33.08

    Organized by Hackerdom in collaboration with HITB, this Capture the Flag is an online and on-site competition for teams around the world.

    Best teams are qualified to ...

  • niteCTF

    Official URL
    Total events: 2
    Avg weight: 23.15

    CTF hosted by Cryptonite

  • BuckeyeCTF

    Official URL
    Total events: 2
    Avg weight: 29.66

    CTF run by students from Cyber Security Club @ Ohio State.

    BuckeyeCTF is intended to be beginner friendly and is geared towards university teams, but there will be a ...

  • TsukuCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    This is a CTF with Japanese OSINT as the main genre.
    There are a few other genres mixed in as well.
    Please note that there may be challenges themed on places that a...

  • Intent CTF

    Official URL
    Total events: 2
    Avg weight: 19.97

    Intent Security Research Summit is a global cyber security conference - for researchers, made by researchers.
    Intent and its CTF are organized by industry-leading resear...

  • Damncon

    Official URL
    Total events: 2
    Avg weight: 18.33

    Its a overday CTF for 24 Hours with Web, binary, reversing, shell exploit and some tricky general application based CTF which are made for everyone but they need to think ou...

  • Lockett Vesp Range

    Official URL
    Total events: 2
    Avg weight: 0.00

    Lockett Vesp CTFs

  • TFC CTF

    Official URL
    Total events: 2
    Avg weight: 28.99

    The Few Chosen organizes its first CTF event between 26th-28th November. We are a group of 5 students that have participated in numerous CTFs and our passion for cybersecurit...

  • TRIBE CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    The Tribe CTF will illuminate the creativity and contributions from black technologists and cyber firms. The Challenges contained within this CTF are a unique twist on the tr...

  • idekCTF

    Official URL
    Total events: 2
    Avg weight: 29.98

    idekCTF is an information security CTF competition organized by the idek team and is aimed at high school and university students, with difficult challenges catering to more ...

  • BYUCTF

    Official URL
    Total events: 2
    Avg weight: 25.79

    A CTF hosted by BYU Cyberia, the official CTF team of Brigham Young University.

  • VU Cyberthon

    Official URL
    Total events: 2
    Avg weight: 17.11

    Participants will get an access to the cyber security tournament system and they will have 12 hours to solve CTF challenges.

    Prizes:
    1st place - 500 EUR,
    2n...

  • @HackCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    @Hack is a Cyber Security conference in association with Black-Hat co-organised by SAFCSP and Informa Tech.

  • [email protected]

    Official URL
    Total events: 2
    Avg weight: 0.00

  • pingCTF

    Official URL
    Total events: 2
    Avg weight: 24.29

    Event organised by Science Club from Gdańsk Tech university in Poland.
    Jeopardy style, categories:
    Crypto, pwn, reverse, web and misc.
    Organised in Poland, las...

  • SEETF

    Official URL
    Total events: 2
    Avg weight: 24.88

    SEETF is a cybersecurity Capture the Flag competition hosted by the Social Engineering Experts CTF team.

    Categories include web exploitation, binary exploitation, rev...

  • KnightCTF

    Official URL
    Total events: 2
    Avg weight: 12.15

    Knight CTF is an online jeopardy style Capture the Flag (CTF) competition hosted by the Knight Squad community from Bangladesh. This is the first international CTF from Bangl...

  • CrewCTF

    Official URL
    Total events: 2
    Avg weight: 25.17

    CrewCTF is an annual cybersecurity Capture The Flag competition hosted by TheHackersCrew. With intermediate to expert level challenges, our contests are great opportunities f...

  • Space Heroes CTF

    Official URL
    Total events: 2
    Avg weight: 28.50

    Space Heroes CTF is an online jeopardy style Capture the Flag competition hosted by the FITSEC Team From Florida Tech.

    Join our Discord! https://discord.gg/wvuvDUjAeg...

  • T3N4CI0US CTF

    Official URL
    Total events: 2
    Avg weight: 9.64

    It is a competition designed to contribute to strengthening security capabilities and spreading security awareness to suit the purpose of cybersecurity.

  • Tangerang Kota Capture The Flag

    Official URL
    Total events: 2
    Avg weight: 0.00

    Hack In Tangerang Kota Capture The Flag (CTF) is the first Online Hacking competition that's held by Information Technology Agency of Tangerang City Government. Due to the im...

  • WolvCTF

    Official URL
    Total events: 2
    Avg weight: 29.76

    Our challenges range from beginner to medium in difficulty. Our esteemed members have worked tirelessly to bring new and stimulating CTF challenges to pose varying levels of ...

  • Hacky'Nov

    Official URL
    Total events: 2
    Avg weight: 0.00

    New Cyber convention in Aix-en-Provence (France) : Hacky'Nov.
    CTF - conferences - workshop - partership.

  • MidnightFlag - INFEKTION

    Official URL
    Total events: 2
    Avg weight: 31.00

    MidnightFlag - INFEKTIONCTF is a jeopardy-type ctf, organized for and by students.
    Challenges are beginner/intermediate level.
    Our discord : https://discord.com/inv...

  • Imperial CTF

    Official URL
    Total events: 2
    Avg weight: 24.84

    Imperial CTF brings together DoCSoc's efforts to bring more cyber security interest to Imperial College London. It is organised in two stages:

    - online qualifier, wh...

  • SekaiCTF

    Official URL
    Total events: 2
    Avg weight: 24.86

    SekaiCTF is a Capture The Flag event hosted by Team Project Sekai. We offer challenges ranging from beginner to advanced level and everyone is welcomed to participate and lea...

  • Challenge the Cyber

    Official URL
    Total events: 2
    Avg weight: 0.00

    Challenge the Cyber organizes cybersecurity events for scholars and students in The Netherlands. Its most important activities include the yearly Challenge the Cyber CTF, the...

  • UACTF

    Official URL
    Total events: 2
    Avg weight: 22.55

    A global CTF competition, hosted by the University of Adelaide's Capture the Flag Club and members of its associated competitive team, AdelaideB9.

  • Grey Cat The Flag

    Official URL
    Total events: 2
    Avg weight: 24.08

    Grey Cat The Flag is a jeopardy style CTF organized by NUS Greyhats (http://nusgreyhats.org/) and National Cybersecurity R&D Labs (http://ncl.sg/).

    Infra sponsored by...

  • RPCA CTF

    Official URL
    Total events: 2
    Avg weight: 30.00

    RPCA CTF Cybersecurity Competition or RPCA CTF is an onsite and online with invitation jeopardy-style CTF event for the beginner hosted by the RPCA Cyber Club, Royal Police C...

  • Cyber Community Club

    Official URL
    Total events: 2
    Avg weight: 0.00

    *This is only for middle and high school students!

    Join Ferro’s Inter-Galactic Exploration team as a security specialist, securing the technology of one of the expedi...

  • Rush CTF

    no logo

    Official URL
    Total events: 2
    Avg weight: 0.00

    We are hosting a CTF to test our new CTF hosting service. This is our second test after a successful test a year ago, many more features have been added, so we are aiming at ...

  • n00bzCTF

    Official URL
    Total events: 2
    Avg weight: 15.12

    Description: A 48 hours ctf by n00bz for n00bz, organized with beginner friendly challenges (and some hard ones), n00bzCTF is dedicated to make cyber security more friendly a...

  • OmWars CTF

    Official URL
    Total events: 2
    Avg weight: 23.35

    OmWars - the most impact international CTF from Omsk!

    Sponsors : OOO "ATTASHE"- local commercial information and physical security company.

  • CakeCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    CakeCTF is a Jeopardy-style Capture The Flag competition hosted by yoshiking, theoremoon, and ptr-yudai. There will be some challenges of pwn, web, rev, crypto, and so on. Th...

  • Esaip CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    Esaip CTF is a Esaip engineering school CTF held at Angers, France.

  • BDSec CTF

    Official URL
    Total events: 2
    Avg weight: 12.23

    BDSec CTF is an online competition hosted by Knight Squad community from Bangladesh. This competition is for professional hackers, students and cyber security enthusiasts. No...

  • KalmarCTF

    Official URL
    Total events: 2
    Avg weight: 24.21

    Kalmarunionen is a collaborative of mostly Danish CTF teams. We plan on hosting one jeopardy style CTF each year.

  • Hackvens

    Official URL
    Total events: 2
    Avg weight: 0.00

    Hackvens is a CTF hosted by Advens, first french pure player in cybersecurity

    2022 October 7-8

  • LakeCTF

    Official URL
    Total events: 2
    Avg weight: 23.98

    LakeCTF is the first CTF hosted by polygl0ts (and friends), the CTF team of EPFL.

    For the occasion of the 20th anniversary of the IC Faculty at EPFL we organize a CTF...

  • CTF After Dark

    Official URL
    Total events: 2
    Avg weight: 0.00

    A (college) quarterly CTF held by ACM Cyber at UCLA to culminate the workshop series, Cyber Academy.

  • Intigriti Monthly Challenges

    Official URL
    Total events: 2
    Avg weight: 0.00

    Every month Intigriti organizes a CTF challenge with over 300€ worth of prizes to be won.

    Of these prizes,
    - 3 randomly picked solvers of the challenge each get...

  • Blackhat MEA CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    Black Hat MEA was the largest infosec event held anywhere in the world in 2021, The conference co-organised by SAFCSP and Informa Tech.

  • Cryptoverse CTF

    Official URL
    Total events: 2
    Avg weight: 29.75

    Cryptoverse CTF is a jeopardy style event organized by an individual who is particularly interested in Cryptography and Reverse Engineering.

    The CTF will focus on bo...

  • FE-CTF

    Official URL
    Total events: 2
    Avg weight: 25.00

    FE-CTF is an annual Capture The Flag (CTF) event organized by the Danish Defence Intelligence Service.

    The competition is aimed at engaging and encouraging primarily ...

  • KITCTFCTF

    Official URL
    Total events: 2
    Avg weight: 24.58

    Student run CTF with challenges from all major categories.

  • Glacier CTF

    Official URL
    Total events: 2
    Avg weight: 24.32

    The GlacierCTF is a jeopardy-style CTF organized by LosFuzzys.

  • Russian CTF Cup

    Official URL
    Total events: 2
    Avg weight: 0.00

    19 November 2022 — 11 December 2022
    On-line/On-site
    Official URL: https://aciso.timepad.ru/event/2156293/
    Event organizers: ACISO

  • YetiCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    YetiCTF is an open Interregional cybersecurity competition organised by NSTU CTF team based in Novosibirsk, Russia.

  • WxMCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

  • HACKTHEON SEJONG

    Official URL
    Total events: 2
    Avg weight: 0.00

    ○ Event and CTF name: 2023 HACKTHEON SEJONG
    ○ Link to event logo: https://hacktheon.org
    ○ Qualification for the competition : University students worldwide(includin...

  • CyberHavoc

    Official URL
    Total events: 2
    Avg weight: 25.00

    CyberHavoc CTF will be a jeopardy style CTF organised by Manav Rachna International Institute of Research and Studies, India, on 19th April 2023. We are thankful to Traboda a...

  • Vidyut CTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    Join us for an exciting 8-hour Jeopardy-style CTF at Vidyut 2023 - a National-Level Techno-Management Fest organized by Amrita Vishwa Vidyapeetham, Amritapuri. Our CTF will f...

  • Mozilla CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 70.00

    The first Mozilla CTF was held on January 25, 2012, and ran for 24 hours. Despite some technical glitches, the event was very successful with over 150 teams registered.

    ...

  • SibCTF Quals

    no logo

    Official URL
    Total events: 1
    Avg weight: 40.00

  • dCTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 50.00

  • Dz-Hack-Event

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • SibCTF Finals

    no logo

    Official URL
    Total events: 1
    Avg weight: 20.00

  • DerbyCon

    Official URL
    Total events: 1
    Avg weight: 0.00

  • BaltCTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 20.00

    On-site CTF finals.

  • Ruxcon CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • ATAST CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • CSCAMP CTF Finals

    Official URL
    Total events: 1
    Avg weight: 5.00

  • InnoGames CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • BSides Mumbai CTF

    Official URL
    Total events: 1
    Avg weight: 24.62

    A jeopardy Style CTF for beginners and intermediate players and all ethical hackers!! All are invited!
    So get ready to unleash your true potential and discover the hacke...

  • easterpwn

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • MIT/LL CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 20.00

    LEARN:
    Learn computer security offense and defense in hands-on seminars taught by computer security experts from MIT, Lincoln Laboratory, and Northeastern University.

  • h34dCTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 5.00

  • DIMVA CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 20.00

  • 44CON CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 30.00

  • EMC Defenders League Quals

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • DEFKTHON CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • Olympic CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 60.00

  • RootedCON

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • APAIUT-CERT Quals

    no logo

    Official URL
    Total events: 1
    Avg weight: 5.00

  • Pwnium CTF

    Official URL
    Total events: 1
    Avg weight: 15.00

  • if(is) - CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 5.00

    The Institute for Internet Security - if(is) is an innovative, independent, scientific facility of the Westphalia University of Applied Sciences. We are hosting a CTF in orde...

  • th3jackers WCTF

    Official URL
    Total events: 1
    Avg weight: 5.00

  • Hackfest CTF

    Official URL
    Total events: 1
    Avg weight: 0.00

  • B-Sides

    no logo

    Total events: 1
    Avg weight: 5.00

  • HUST Hacking Festival

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • Inc0gnito CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • C4CTF

    Official URL
    Total events: 1
    Avg weight: 5.00

    C4CTF is an on-site jeopardy-style CTF that is being held at King Abdulaziz City for Science and Technology (KACST).

  • ECTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • g0s CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 5.00

  • Internetwache CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 5.00

  • Sécu'RT

    Total events: 1
    Avg weight: 0.00

  • LASACTF

    Official URL
    Total events: 1
    Avg weight: 0.00

  • sCTF

    Official URL
    Total events: 1
    Avg weight: 0.00

    sCTF makes CTF competitions designed for K-12 students to promote computer science education. For students, by students.

  • ALICTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 13.80

  • IBST.PSU CTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 5.00

  • CTF(x)

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • [email protected]

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • SpbCTF

    no logo

    Official URL
    Total events: 1
    Avg weight: 0.00

  • CBIT Headstart CTF

    no logo

    Total events: 1
    Avg weight: 0.00

  • Juniors CTF

    Official URL
    Total events: 1
    Avg weight: 0.00

    Juniors CTF is online information security challenge.

  • KrasCTF

    no logo

    Total events: 1
    Avg weight: 0.00

  • AlexCTF

    Official URL
    Total events: 1
    Avg weight: 17.41

    CTF even held by students of Alexandria university.

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