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CTFs

  • Space Heroes CTF

    Official URL
    Total events: 4
    Avg weight: 27.90

    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...

  • PatriotCTF

    Official URL
    Total events: 4
    Avg weight: 33.75

    PatriotCTF is a beginner-friendly, jeopardy-style capture-the-flag competition hosted by GMU's cybersecurity club, MasonCC. All are welcome to participate, including students...

  • T3N4CI0US CTF

    Official URL
    Total events: 4
    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.

  • WolvCTF

    Official URL
    Total events: 4
    Avg weight: 43.05

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

  • Hack'In

    Official URL
    Total events: 4
    Avg weight: 0.00

    Cyber convention in Aix-en-Provence (France) : Hack'In
    CTF - conferences - workshop - partership.

  • Midnight Flag CTF - INSURRECTION

    Official URL
    Total events: 4
    Avg weight: 28.83

    Midnight Flag is a jeopardy-type ctf, organized by students.

    Our twitter : https://twitter.com/MidnightFlag

  • SekaiCTF

    Official URL
    Total events: 4
    Avg weight: 49.02

    SekaiCTF is a Capture The Flag event hosted by Team Project Sekai. We offer challenges in various difficulties and everyone is welcome to participate and enjoy.

  • HackDay CTF

    Official URL
    Total events: 4
    Avg weight: 14.91

    The HackDay challenge is a French cybersecurity competition for graduate students.

    The 25 teams selected during the online qualification phase will be invited to com...

  • Challenge the Cyber

    Official URL
    Total events: 4
    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...

  • smileyCTF

    Official URL
    Total events: 4
    Avg weight: 43.58

    smileyCTF is a yearly CTF hosted by .;,;. (also known as smiley).

    Join our Discord: https://discord.gg/agpgGW372M

    formerly vsCTF hosted by View Source.

  • RPCA CTF

    Official URL
    Total events: 4
    Avg weight: 32.00

    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...

  • BDSec CTF

    Official URL
    Total events: 4
    Avg weight: 14.78

    BDSec CTF is an annual, international Capture The Flag competition organized by Knight Squad, a passionate cybersecurity team based in Bangladesh. The event follows a 24-hour...

  • KalmarCTF

    Official URL
    Total events: 4
    Avg weight: 36.02

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

  • LA CTF

    Official URL
    Total events: 4
    Avg weight: 38.40

    LA CTF is an annual cybersecurity competition hosted by ACM Cyber at UCLA and Psi Beta Rho. There will be a variety of events ranging from competitive cybersecurity challenge...

  • Glacier CTF

    Official URL
    Total events: 4
    Avg weight: 46.44

    GlacierCTF is a jeopardy-style CTF organized by LosFuzzys.

  • Undutmaning

    Official URL
    Total events: 4
    Avg weight: 28.75

    A CTF created as a joint effort between Sweden's intelligence organizations:
    * Swedish Military Intelligence and Security Service (MUST)
    * Swedish Security Servic...

  • HACKTHEON SEJONG

    Official URL
    Total events: 4
    Avg weight: 0.00

    ○ Event and CTF name: 2024 HACKTHEON SEJONG

    ○ Link to event logo: https://hacktheon.org

    ○ Qualification for the competition : University students worldwide / ...

  • ISFCR PESU CTF

    Official URL
    Total events: 4
    Avg weight: 0.00

    ISFCR PESU is the cybersecurity team at PES University.

    https://www.isfcr.pes.edu/

  • Pointer Overflow CTF

    Official URL
    Total events: 4
    Avg weight: 24.83

    The University of Wisconsin - Stevens Point and the Department of Computing and New Media Technologies happily welcomes you to the Pointer Overflow CTF. This contest is a cha...

  • EnigmaXplore

    Official URL
    Total events: 4
    Avg weight: 16.97

    EngimaXplore will be a cyber security competition- Jeopardy Style, for participants to show their skills in various areas of computing and solve real-life security challenge...

  • WannaGame Championship

    Official URL
    Total events: 4
    Avg weight: 30.35

    WannaGame Championship is a CTF hosted by VNUHCM - University of Information Technology

  • UNbreakable International

    Official URL
    Total events: 4
    Avg weight: 24.91

    UNbreakable is an end-to-end cybersecurity educational program for high school and university students, originally organised in Romania. The program consists of a bootcamp an...

  • Jeanne d'Hack CTF

    Official URL
    Total events: 4
    Avg weight: 0.00

    Jeanne d'Hack CTF est une compétition de Capture The Flag qui mettra au défi vos compétences en sécurité informatique. Avec des épreuves variées, du Web à la cryptographie, c...

  • openECSC - CybersecNatLab

    Official URL
    Total events: 4
    Avg weight: 0.00

    openECSC is a cybersecurity competition open to everyone that invites enthusiasts to participate without any kind of limitations. Launched in 2022 as an extension of the Euro...

  • SAS CTF

    Official URL
    Total events: 4
    Avg weight: 31.56

    SAS CTF is an international competition for cybersecurity experts that is held as part of the Security Analyst Summit conference. The competition consists of an online Jeopar...

  • THJCC CTF

    Official URL
    Total events: 4
    Avg weight: 25.00

    High school student in Taiwan manage CTF

  • Iran Tech Olympics CTF

    Official URL
    Total events: 4
    Avg weight: 25.00

    The second edition of the International Iran Tech Olympics in the field of security will be held in the preliminary round in September. The top three teams from the prelimina...

  • RuCTF Quals

    Official URL
    Total events: 3
    Avg weight: 53.33

    DEPRECATED :)
    Qualifying event for RuCTF is RuCTFE now

  • rwthCTF

    no logo

    Official URL
    Total events: 3
    Avg weight: 60.00

  • Power of XX

    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'...

  • SECUINSIDE CTF Finals

    Official URL
    Total events: 3
    Avg weight: 60.00

  • MalCon CTF

    no logo

    Official URL
    Total events: 3
    Avg weight: 5.00

  • PoliCTF

    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.

  • CSCAMP CTF Quals

    Official URL
    Total events: 3
    Avg weight: 6.67

  • EBCTF

    no logo

    Official URL
    Total events: 3
    Avg weight: 35.00

  • No cON Name CTF Finals

    no logo

    Official URL
    Total events: 3
    Avg weight: 7.50

  • Hackover CTF

    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!)....

  • Carthage Cyber Arena

    Official URL
    Total events: 3
    Avg weight: 25.00

    The great battle of Carthage title

  • Hack The Vote

    no logo

    Official URL
    Total events: 3
    Avg weight: 24.18

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

  • BlazeCTF

    no logo

    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/

  • PACTF

    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.

  • H4ckIT CTF

    Official URL
    Total events: 3
    Avg weight: 18.63

  • Moscow CTF School

    Official URL
    Total events: 3
    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...

  • INS'hAck

    no logo

    Official URL
    Total events: 3
    Avg weight: 31.66

  • MeePwn CTF

    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...

  • Security Case Study

    no logo

    Official URL
    Total events: 3
    Avg weight: 11.00

  • Kaspersky Industrial CTF Finals

    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....

  • EvlzCTF

    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...

  • HITB-XCTF

    no logo

    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...

  • DeadSec

    Total events: 3
    Avg weight: 31.22

    DeadSec CTF 2023 is an online jeopardy-style CTF organized by DeadSec Team.
    There will be challenges with a wide range of difficulty mainly from cryptography, reverse, p...

  • OverTheWire Advent Bonanza

    no logo

    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...

  • TG:HACK

    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 ...

  • YauzaCTF

    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.

  • peaCTF

    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...

  • De1CTF

    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.

  • Affinity CTF

    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 ...

  • TastelessCTF

    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!

  • CTF InterIUT

    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...

  • Layer7 CTF

    Official URL
    Total events: 3
    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...

  • BlackAlps

    Official URL
    Total events: 3
    Avg weight: 0.00

    The BlackAlps CTF will be held at the end of the BlackAlps conference in Yverdon-les-Bains in Switzerland. It's a CTF for all level including from beginner up to advanced tea...

  • Metasploit community CTF

    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...

  • Moroccan Cyber Security Camp

    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...

  • STAY ~/ CTF

    Official URL
    Total events: 3
    Avg weight: 24.46

    Online Attack-Defence CTF.

  • WeCTF

    Official URL
    Total events: 3
    Avg weight: 36.44

    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...

  • N0OB_4rMY

    Official URL
    Total events: 3
    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...

  • CSCML CTF

    Official URL
    Total events: 3
    Avg weight: 20.95

    International Symposium on Cyber Security Cryptology and Machine Learning

    The Symposium is an international forum for researchers and practitioners in the theory, des...

  • the3000

    Official URL
    Total events: 3
    Avg weight: 28.96

    CTF brought to you by the3000

  • OWASL-IL CTF

    Official URL
    Total events: 3
    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...

  • Laokoon Security CTF

    Official URL
    Total events: 3
    Avg weight: 21.84

    The CTF is hosted by Laokoon SecurITy, IBM and CGI. High profile sponsors such as Bechtle, SANS Institute and Hack The Box are supporting the event.
    It will be played Je...

  • wtfctf

    Official URL
    Total events: 3
    Avg weight: 22.77

    Love solving complex problems? Want to learn hacking but don’t know where to start? A fantastic opportunity to sharpen and showcase your technical problem solving skills. Sol...

  • Paradigm CTF

    Official URL
    Total events: 3
    Avg weight: 25.00

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

  • TyphoonCon CTF

    Official URL
    Total events: 3
    Avg weight: 12.13

    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:...

  • HITB SECCONF CTF

    Official URL
    Total events: 3
    Avg weight: 50.72

    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 ...

  • Intent CTF

    Official URL
    Total events: 3
    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...

  • 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...

  • LinuxMeetup

    Official URL
    Total events: 3
    Avg weight: 0.00

    [Event in French] -> but English follows
    Les Linux-Meetup sont des rencontres informelles où plusieurs personnes se réunissent pour discuter de leurs passions et parta...

  • Equinor CTF

    Official URL
    Total events: 3
    Avg weight: 37.98

    Equinor CTF is an annual onsite event hosted in Oslo, Norway.

  • L3HCTF

    Official URL
    Total events: 3
    Avg weight: 26.17

    L3HCTF is a Jeopardy-style Online Capture The Flag Competition presented by L3H Sec. The contest is opened to all participants around the world. Teams can compete from any lo...

  • 24h@CTF

    Official URL
    Total events: 3
    Avg weight: 0.00

  • pingCTF

    Official URL
    Total events: 3
    Avg weight: 34.33

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

  • PH03N1X V1P3R N0V4 CTF

    Official URL
    Total events: 3
    Avg weight: 0.00

    PH03N1X V1P3R N0V4 CTF a new ctf in town. A CTF with a twist. Because its aim is to teach rather than focus on competition side.The approach we’ll utilize is the following: d...

  • Intigriti

    Official URL
    Total events: 3
    Avg weight: 25.47

    Intigriti runs a yearly CTF event called 1337UP LIVE. This capture the flag event will have hackers fighting in teams in a Jeopardy-style event. The event will run for 36 hou...

  • n00bzCTF

    Official URL
    Total events: 3
    Avg weight: 24.85

    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...

  • Azure Assassin Alliance CTF

    Official URL
    Total events: 3
    Avg weight: 34.80

    CTF [online] held by Azure Assassin Alliance team

  • Esaip CTF

    Official URL
    Total events: 3
    Avg weight: 0.00

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

  • Pwnme

    Official URL
    Total events: 3
    Avg weight: 24.03

    CTF Jeopardy

    Every year with a 26,000 € pool prize

    organized by Ecole 2600.

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

  • Hackvens

    Official URL
    Total events: 3
    Avg weight: 0.00

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

  • 1753CTF

    Official URL
    Total events: 3
    Avg weight: 32.90

    1753CTF

  • IrisCTF

    Official URL
    Total events: 3
    Avg weight: 35.45

    IrisCTF is a 48-hour Capture the Flag competition organized by IrisSec. IrisCTF takes place the first full weekend of every year online, and features challenges in the discip...

  • Jade CTF

    Official URL
    Total events: 3
    Avg weight: 32.30

    Jade CTF is being organized by the Data and Software Technology Club as a part of Concetto' 22, the annual techno-management fest of IIT (ISM) Dhanbad.
    The CTF will cons...

  • 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...

  • VettoCon

    Official URL
    Total events: 3
    Avg weight: 25.00

    VettoCon CTF is a jeopardy-style CTF that takes place during the VettoCon conference in Pisa.
    In 2023 there will be an onsite CTF on the 12-13 of May.

  • WxMCTF

    Official URL
    Total events: 3
    Avg weight: 29.30

  • cursedCTF

    Official URL
    Total events: 3
    Avg weight: 23.78

    It will be a CTF of all time

  • Punk Security DevSecOps birthday CTF

    Official URL
    Total events: 3
    Avg weight: 30.91

    To celebrate our birthday we are hosting a DevSecOps CTF!

    You can expect awesome challenges with a DevSecOps theme! Abusing cloud services, finding secrets, patchi...

  • TexSAW

    Official URL
    Total events: 3
    Avg weight: 32.16

    TexSAW (Texas Security Awareness Week) is a CTF organized by the University of Texas at Dallas to promote cybersecurity awareness and education. The CTF will feature beginner...

  • AmateursCTF

    Official URL
    Total events: 3
    Avg weight: 32.03

    We're a CTF run by the students from les amateurs's CTF team. Our competition mostly targets beginners, including middle and high school students, although we hope that it is...

  • CPCTF

    Official URL
    Total events: 3
    Avg weight: 0.00

    CPCTF is a cybersecurity competition for beginners organized by traP. The competition format is Jeopardy and is held both online and on-site in Tokyo Institute of Technology....

  • TBTL CTF

    Official URL
    Total events: 3
    Avg weight: 32.39

    TBTL CTF is an annual CTF competition organized by the employees of Blockhouse Technology in Zagreb, Croatia (https://tbtl.com/).

  • PECAN+ CTF

    Official URL
    Total events: 3
    Avg weight: 0.00

    PECAN+ is a Cyber Security Capture the Flag (CTF) competition developed and managed by the School of Science Outreach and Engagement team at Edith Cowan University (Perth, Au...

  • Africa battleCTF

    Official URL
    Total events: 3
    Avg weight: 22.45

    A Battle-like competition in the CTF format to learn and practice while having fun.

  • AVSS (Adversarial Vulnerability Scoring System) Contest

    no logo

    Official URL
    Total events: 3
    Avg weight: 25.00

    GEEKCON are thrilled to host the first annual AVSS (Adversarial Vulnerability Scoring System) Contest.

    Unlike traditional CTF events, the AVSS Contest can be viewed ...

  • Platypwn

    Official URL
    Total events: 3
    Avg weight: 31.68

    The Platypwn is a yearly CTF organized by the Platypwnies, the academic CTF team of the Hasso-Plattner-Institute in Potsdam, Germany.

    See https://platypwnies.de/event...

  • QUESTCON

    Official URL
    Total events: 3
    Avg weight: 24.48

    Join us for an exhilarating Capture The Flag (CTF) competition hosted by OWASP PCCOE Students Chapter. This event is tailored for university students, encouraging their parti...

  • cruXipher

    Official URL
    Total events: 3
    Avg weight: 25.00

    cruXipher: A Capture-the-Flag competition where teams of people come together to solve challenges that involve the skills of problem-solving, programming, cybersecurity, and ...

  • Bearcat CTF

    Official URL
    Total events: 3
    Avg weight: 23.89

    Jeoprady style CTF, will be hybrid online and in person. Prizes will be available for in person participants. Teams of 4 will be allowed.

    Bearcat CTF is the first ind...

  • UofTCTF

    Official URL
    Total events: 3
    Avg weight: 28.70

    An annual CTF organized by UofTCTF

  • @Hack

    Official URL
    Total events: 3
    Avg weight: 0.00

    Challenge your hacking skills in AI, Reverse Engineering, Blockchain, and more, with access to career fair, cybersecurity workshops, and student presentations. Free event wit...

  • DIVER OSINT CTF

    Official URL
    Total events: 3
    Avg weight: 0.00

    DIVER OSINT CTF is the real-world oriented OSINT CTF.
    We provide country/region-neutral OSINT challenges.
    Challenges will be available in English and Japanese.

  • H7CTF International

    Official URL
    Total events: 3
    Avg weight: 25.03

    H7Tex CTF Guild invites you to join our premier event—H7CTF International. While this is primarily an onsite event, we welcome hackers from around the globe. Whether you’re j...

  • SECPlayground CTF

    Official URL
    Total events: 3
    Avg weight: 0.00

    Join the SECPlayground community and level up your cybersecurity skills. We provide a platform for practical learning through free, regularly hosted CTF events.

    Websi...

  • Cyber Arena

    Official URL
    Total events: 3
    Avg weight: 0.00

    ?️ Cyber Arena CTF 2025 by CSEM
    Get ready for Cyber Arena CTF, a thrilling 2-day cybersecurity competition hosted by CSEM from 5th July to 6th July 2025!

    Sharpen...

  • 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.

  • 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...

  • 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...

  • R3CTF

    Official URL
    Total events: 2
    Avg weight: 30.23

    R3CTF is organizered by r3kapig Team. Come to play and hack for fun.

  • 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...

  • MITRE eCTF

    Official URL
    Total events: 2
    Avg weight: 0.00

    The Embedded Capture the Flag (eCTF) is an embedded security competition run by MITRE that puts participants through the experience of trying to create a secure system and th...

  • 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

    ...

  • 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/

  • Zh3r0 CTF

    Official URL
    Total events: 2
    Avg weight: 26.92

    Second Edition of CTF hosted by team zh3r0 for beginner, Intermediate and advanced players .

  • 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 ...

  • 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.

  • 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

  • Crate-CTF

    Official URL
    Total events: 2
    Avg weight: 31.00

    Crate-CTF is an annual Capture The Flag (CTF) competition organised by the Swedish Defence Research Agency in collaboration with the Swedish Armed Forces, designed to introdu...

  • 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...

  • 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 ...

  • DeconstruCT.F

    Official URL
    Total events: 2
    Avg weight: 15.46

    DeconstruCT.F is a 24-hour jeopardy style CTF, organized for the first time by GDSC VIT Vellore. The competition ranges from five different domains, namely, Web, Forensics, C...

  • 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

  • BalCCon

    Official URL
    Total events: 2
    Avg weight: 0.00

    Welcome hacker. BalCCon is an annual conference in Novi Sad, Serbia, which has unfortunately been cancelled due to COVID-19. However, we are still here, trying to bring you s...

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