Official URL
Total events: 14
Avg weight: 45.54
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: 12
Avg weight: 29.00
RuCTF is annual open all-Russian intercollegiate competition and conference on information security.
Official URL
Total events: 9
Avg weight: 83.38
Online qualifier for the Vegas finals.
Binjitsu by ddtek (... — 2012)
Legitimate Business Syndicate (2013 — 2...
Official URL
Total events: 9
Avg weight: 70.35
International online challenge
in information security
Official URL
Total events: 9
Avg weight: 30.00
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...
Official URL
Total events: 9
Avg weight: 25.00
CyberTalents is a platform that ranks cyber security professionals across the globe by running CTF competitions
Official URL
Total events: 8
Avg weight: 77.66
Binjitsu by ddtek (... — 2012)
Legitimate Business Syndicate (2013 — 2017)
Official URL
Total events: 8
Avg weight: 37.83
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: 8
Avg weight: 24.27
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: 20.45
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: 7
Avg weight: 35.00
NorthSec has been building one of the biggest applied security event in Canada, aimed at raising the knowledge and technical expertise of professionals and students alike.
Official URL
Total events: 7
Avg weight: 19.53
CTF Securinets Quals 2015 is an on-line jeopardy style CTF organized by Tunisian student.
Official URL
All tasks are available here: http://ctfarchive.phdays.com/
Official URL
GreHack CTF is onsite jeopardy style CTF held each year at the occasion of GreHack Conference.
Official URL
BackdoorCTF is an online jeopardy style event. IRC Channel #backdoorctf16 shall be used for communication during the ctf, Communication at other times can be made thr...
Official URL
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
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
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
Annual Capture The Flag hosted by the Google Security Team.
Official URL
WhiteHat Challenge is a CTF contest held periodically by WhietHat.vn for beginners in learning or researching cybersecurity as...
Official URL
All tasks are available here: http://ctfarchive.phdays.com/
Official URL
InCTF is brought to you by CTF team bi0s of Amrita University, Amritapuri.
Official URL
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
Official URL
BCTF 2014 is a national contest in China.
Official URL
Geared primarily towards high school students but with a very wide range of challenge difficulty.
Official URL
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
WhiteHat Contest, a Capture The Flag contest, is held periodically by WhiteHat.vn, leading cyber security forum in Vietnam. Wh...
Official URL
Who IRC
Official URL
FAUST CTF is an online attack-defense CTF organized by FAUST, the CTF team of Friedrich-Alexander University Erlangen-Nürnberg
Official URL
A yearly CTF organized by hxp (also known as H4x0rPsch0rr). See CTF archive: https://ctf.hxp.io/
Official URL
On-site CTF for beginners, hosted by schools and universities around Russia and other CIS countries.
Official URL
On-site prequalified All-Russian students and schoolchildren CTF organized by HSE CTF team. VK: vk.com/hsectf TG:
Official URL
WHY Midnight Sun CTF The Midnight Sun CTF started as a common interest between Networked Systems Security (NSS) group at KTH, CTF Team HackingForSoju and Saab to promote the ...
Official URL
DEPRECATED :)
Official URL
- About Power of XX is a hacking contest CTF for WOMEN Only. It is held as an event at hacking & security conference POC (
Official URL
PoliCTF is an online jeopardy-style capture-the-flag competition, open to participants from all over the world.
Official URL
CTF hosted by the Special interest Group for Computer
Official URL
Signup and play at: http://ctf.420blaze.in Chat at:
Official URL
Brazilian Thematic CTF, organized by Epic Leet Team members. Most original and multidisciplinary competition in the world!
Official URL
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
PACTF is a global cybersecurity competition for high-school students. See https://en.wikipedia.org/wiki/PACTF...
Official URL
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
A Middle School focused CTF event.
Official URL
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
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
Kaspersky Industrial CTF Finals will be held at SAS conference (https://sas.kaspersky.com) in Singapore 8-9 April, 2019...
Official URL
Annual CTF organized by Square. Puzzles range from easy (welcome new comers!) to hard.
Official URL
Timisoara CTF is an international jeopardy-style cybersecurity competition, dedicated to high-school students, community-organized in Timisoara, Romania, under Banat IT Assoc...
Official URL
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...
Official URL
picoCTF is a computer security game targeted at middle and high school students. The game consists of a series of challenges centered around a unique storyline where particip...
Official URL
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
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
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
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
NSK CTF is a challenge in information security among russian universities and schools. Located in Novosibirsk
Official URL
N1CTF is one of the qualification rounds of XCTF International League (https://www.xctf.org.cn/).
Official URL
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 ...
Official URL
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
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.
Official URL
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
Organized by Vidar-Team, the 9th Hctf is coming! platform:https:/...
Official URL
CTF Russian Cup is the first wide russian CTF tournament between winners of regional CTF-competitions. Teams will converge in the legendary battle to reveal the strongest Rus...
Official URL
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.
Official URL
Evlz CTF is the first CTF conducted by the Softech group of BVPISTE on the event of our society's techfest Evoluzione As the name contains EVLZ the questions are gonna be evl...
Official URL
SwampCTF is a student-run competition and hosted by the University of Florida Student InfoSec Team (UFSIT). Join us online for jeopardy-style fun with challenges in Pwn, Reve...
Official URL
b00t2root is Jeopardy-style CTF security competition.Bring a team ready to be tested on cryptography, steganography, application security, binary analysis, reverse engineerin...
Official URL
A Capture the Flag Competition held by Byte Bandits, IIT Indore’s academic CTF team. Organised under Euristica by the Programming Club, IIT Indore. For more details contact: ...
Official URL
WPICTF, hosted by Worcester Polytechnic Institute Cyber Security Club.
Official URL
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
The Real World CTF 2018, which is in jeopardy style, has an
Official URL
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...
Official URL
X-MAS CTF is HTSP's first CTF and its purpose is learning and having fun going through jeopardy style challenges! We welcome both beginners and experienced alike! Hope you wi...
Official URL
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.
Official URL
LEARN:
Official URL
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...
Official URL
Easy, intro-level capture-the-flag game targeted at middle or high school students. Made by a small team of high school students in Stevenson High School in Lincolnshire, IL,...
Official URL
C4CTF is an on-site jeopardy-style CTF that is being held at King Abdulaziz City for Science and Technology (KACST).
Official URL
A 48 hour Jeopardy style CTF starting Nov 4th at 7PM EDT. Categories include pwning, RE, crypto, web, and forensics.
You can find more details on our website:
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Avg weight: 46.00
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Avg weight: 31.49
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Avg weight: 17.03
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Avg weight: 23.14
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Avg weight: 49.54
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Avg weight: 46.16
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Avg weight: 31.00
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Avg weight: 12.50
Total events: 4
Avg weight: 27.62
From the year 2015, BCTF will be opened to all participants around the world.
Total events: 4
Avg weight: 22.98
Total events: 4
Avg weight: 18.33
Total events: 4
Avg weight: 20.11
Total events: 4
Avg weight: 17.74
The CTF is run by the Hamburg local chapter of the Chaos Computer Club during the Hackover event.
#hackover-ctf on
Total events: 4
Avg weight: 22.50
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Avg weight: 38.32
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Avg weight: 5.00
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Avg weight: 22.97
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Avg weight: 28.96
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Avg weight: 53.33
Qualifying event for RuCTF is RuCTFE now
Total events: 3
Avg weight: 0.00
Total events: 3
Avg weight: 31.17
Total events: 3
Avg weight: 18.57
Security (SIGPwny) at the University of Illinois in Urbana-Champaign.
Total events: 3
Avg weight: 21.20
#hackerswhoblaze on freenode or
Total events: 3
Avg weight: 30.87
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Avg weight: 11.87
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Total events: 3
Avg weight: 32.78
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Avg weight: 20.25
Everyone is welcome to come join in the fun, but Middle School / Jr. High students will be scored separately for prizes.
Go to o...
Total events: 3
Avg weight: 27.44
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Avg weight: 22.50
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Avg weight: 19.93
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Avg weight: 24.78
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Avg weight: 25.00
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Avg weight: 18.33
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Avg weight: 20.72
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Avg weight: 25.00
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Avg weight: 24.00
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Avg weight: 20.33
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Avg weight: 24.41
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Avg weight: 24.59
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Avg weight: 26.80
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Avg weight: 25.00
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Avg weight: 31.00
The game will consist of online and offline.
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Avg weight: 30.31
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Avg weight: 21.02
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Avg weight: 25.22
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Avg weight: 20.29
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Avg weight: 31.00
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Avg weight: 26.24
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Avg weight: 25.00
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Avg weight: 24.84
on-line qualification round followed by an on-site, hands-on
final round in China where all challenges a...
Total events: 2
Avg weight: 25.00
Total events: 2
Avg weight: 24.10
Total events: 1
Avg weight: 70.00
Total events: 1
Avg weight: 20.00
Learn computer security offense and defense in hands-on seminars taught by computer security experts from MIT, Lincoln Laboratory, and Northeastern University.
Total events: 1
Avg weight: 5.00
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Avg weight: 0.00
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Avg weight: 5.00
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Avg weight: 23.11
No limit on team size, or players.
