2018236 events
236 capture-the-flag events held in 2018, 3,437 challenges between them, each with at least one published solution. Ordered by CTFtime rating weight.
- 35C3 CTF71 challenges · 139 writeups
- HITCON CTF 201837 challenges · 68 writeups
- PlaidCTF 201823 challenges · 45 writeups
- TokyoWesterns CTF 4th 201831 challenges · 94 writeups
- Hack.lu CTF 201848 challenges · 131 writeups
- DEF CON CTF Qualifier 201834 challenges · 80 writeups
- RuCTFE 20185 challenges · 6 writeups
- 0CTF/TCTF 2018 Finals10 challenges · 11 writeups
- Google Capture The Flag 2018 (Quals)82 challenges · 213 writeups
- UCSB iCTF 20182 challenges · 3 writeups
- ASIS CTF Finals 201827 challenges · 47 writeups
- 0CTF/TCTF 2018 Quals21 challenges · 38 writeups
- ASIS CTF Quals 201831 challenges · 78 writeups
- Insomni'hack 201820 challenges · 29 writeups
- Nuit du Hack CTF Quals 201822 challenges · 63 writeups
- SharifCTF 829 challenges · 69 writeups
- hxp CTF 201825 challenges · 50 writeups
- SECCON 2018 Online CTF26 challenges · 60 writeups
- CSAW CTF Final Round 201869 challenges · 87 writeups
- Security Fest CTF20 challenges · 31 writeups
- BackdoorCTF 201820 challenges · 33 writeups
- CSAW CTF Qualification Round 201845 challenges · 193 writeups
- Pwn2Win CTF 201814 challenges · 18 writeups
- Insomni'hack teaser 20189 challenges · 30 writeups
- VolgaCTF 2018 Quals20 challenges · 38 writeups
- *CTF 201810 challenges · 18 writeups
- BCTF 201812 challenges · 25 writeups
- BSides Delhi CTF 201818 challenges · 42 writeups
- Byte Bandits CTF 20189 challenges · 19 writeups
- CODE BLUE CTF 2018 Quals14 challenges · 18 writeups
- Codegate CTF 2018 Preliminary27 challenges · 64 writeups
- FAUST CTF 20184 challenges · 6 writeups
- Google Capture The Flag 2018 (Finals)26 challenges · 31 writeups
- HCTF 20189 challenges · 11 writeups
- ICON CTF Quals2 challenges · 2 writeups
- InCTF 201826 challenges · 55 writeups
- ISITDTU CTF 2018 Final16 challenges · 18 writeups
- Jordan & Tunisia National CTF6 challenges · 10 writeups
- Midnight Sun CTF 2018 Finals17 challenges · 19 writeups
- OtterCTF51 challenges · 94 writeups
- ph0wn 201813 challenges · 15 writeups
- Real World CTF 2018 Finals13 challenges · 16 writeups
- RuCTF Finals 20181 challenge · 1 writeup
- Square CTF 201824 challenges · 71 writeups
- Teaser Dragon CTF 20189 challenges · 24 writeups
- Timisoara CTF 2018 Quals27 challenges · 50 writeups
- Viettel Mates CTF 201819 challenges · 29 writeups
- HackIT CTF 201822 challenges · 44 writeups
- Midnight Sun CTF 2018 Quals15 challenges · 26 writeups
- P.W.N. CTF23 challenges · 39 writeups
- Hack Zone Tunisia 20189 challenges · 10 writeups
- Real World CTF 2018 Quals12 challenges · 26 writeups
- AceBear Security Contest 201824 challenges · 43 writeups
- Meepwn CTF Quals 201827 challenges · 72 writeups
- SEC-T CTF16 challenges · 28 writeups
- WhiteHat Grand Prix 2018 – Quals28 challenges · 52 writeups
- TJCTF 201867 challenges · 144 writeups
- N1CTF 201826 challenges · 48 writeups
- h4ckc0n 201822 challenges · 55 writeups
- X-MAS CTF 201862 challenges · 111 writeups
- TUCTF 201838 challenges · 133 writeups
- Blaze CTF 201820 challenges · 43 writeups
- RCTF 201826 challenges · 74 writeups
- Hackover CTF 201822 challenges · 55 writeups
- CTFZone 2018 Quals26 challenges · 47 writeups
- Harekaze CTF 201821 challenges · 32 writeups
- TAMUctf 1894 challenges · 164 writeups
- ISITDTU CTF 2018 Quals25 challenges · 46 writeups
- Securinets CTF Quals 201825 challenges · 48 writeups
- OverTheWire Advent Bonanza 201828 challenges · 36 writeups
- IceCTF 201831 challenges · 97 writeups
- Break In CTF 20183 challenges · 5 writeups
- ångstromCTF 201868 challenges · 152 writeups
- UIUCTF 201811 challenges · 20 writeups
- SwampCTF 201831 challenges · 63 writeups
- noxCTF 201843 challenges · 264 writeups
- WPICTF 201819 challenges · 51 writeups
- INS'hAck 201825 challenges · 41 writeups
- RITSEC CTF 201840 challenges · 140 writeups
- DefCamp CTF Finals 201810 challenges · 18 writeups
- Trend Micro CTF 2018 - Raimund Genes Cup - The Final14 challenges · 14 writeups
- NeverLAN CTF 201853 challenges · 77 writeups
- Kaspersky Industrial CTF 20185 challenges · 11 writeups
- b00t2root '181 challenge · 1 writeup
- DefCamp CTF Qualification 201820 challenges · 51 writeups
- EvlzCTF6 challenges · 7 writeups
- HITB-XCTF GSEC CTF 2018 Quals19 challenges · 25 writeups
- Xiomara CTF 201823 challenges · 46 writeups
- nullcom HackIM 201822 challenges · 47 writeups
- Trend Micro CTF 2018 - Raimund Genes Cup - Online Qualifier16 challenges · 31 writeups
- SunshineCTF 201822 challenges · 52 writeups
- Codefest CTF 201815 challenges · 27 writeups
- Pragyan CTF 201820 challenges · 59 writeups
- HumanCTF15 challenges · 29 writeups
- WCTF 2018 ONLINE22 challenges · 44 writeups
- 0CTFFinal 20181 challenge · 1 writeupno CTFtime listing
- 0CTFQuals 20181 challenge · 1 writeupno CTFtime listing
- Access Denied14 challenges · 15 writeups
- ADS WriteUps 20181 challenge · 1 writeupno CTFtime listing
- Aegis 20182 challenges · 2 writeupsno CTFtime listing
- Ah Ctf 20185 challenges · 5 writeupsno CTFtime listing
- AIS3 201820 challenges · 20 writeupsno CTFtime listing
- Al Berry 20181 challenge · 1 writeupno CTFtime listing
- Aotw 20185 challenges · 5 writeupsno CTFtime listing
- Asisf Inception 20181 challenge · 1 writeupno CTFtime listing
- atenea Analisis de trafico 20183 challenges · 3 writeupsno CTFtime listing
- BambooFox CTF 20183 challenges · 3 writeupsno CTFtime listing
- Beginner Crypto Ctf 20182 challenges · 4 writeupsno CTFtime listing
- Blackalps 20181 challenge · 1 writeupno CTFtime listing
- Breizhctf 20181 challenge · 1 writeupno CTFtime listing
- BSidesSF CTF 201833 challenges · 40 writeups
- California Ctf Selected Solutions 20187 challenges · 7 writeupsno CTFtime listing
- Carthage Cyber Arena Finals1 challenge · 1 writeup
- Ccc 20181 challenge · 1 writeupno CTFtime listing
- CFI CTF 201827 challenges · 27 writeupsno CTFtime listing
- Checkpoint Ctf 20184 challenges · 4 writeupsno CTFtime listing
- CompfestX HackerClass 20184 challenges · 4 writeupsno CTFtime listing
- Crypto CTF Writeups Midnight CTF Quals 20181 challenge · 1 writeupno CTFtime listing
- CS361 ctf 20182 challenges · 4 writeupsno CTFtime listing
- Ctf Hacktx 20182 challenges · 4 writeupsno CTFtime listing
- CTF NDH Quals 20186 challenges · 6 writeupsno CTFtime listing
- CTF OverTheWire7 challenges · 7 writeupsno CTFtime listing
- Ctf.Hacklabme.Me 20181 challenge · 2 writeupsno CTFtime listing
- Ctf.Uz Final 20187 challenges · 7 writeupsno CTFtime listing
- Culture 20181 challenge · 1 writeupno CTFtime listing
- Cyberstakes Writeps 201845 challenges · 53 writeupsno CTFtime listing
- D Ctf Final 20181 challenge · 1 writeupno CTFtime listing
- Dctf 20184 challenges · 4 writeupsno CTFtime listing
- deloitteDE prequals 20185 challenges · 5 writeupsno CTFtime listing
- Desencripta esto WriteUps 20181 challenge · 1 writeupno CTFtime listing
- Dimi Ctf 20181 challenge · 1 writeupno CTFtime listing
- DKHOSCTF 20181 challenge · 1 writeupno CTFtime listing
- Dragon CTF 20180 challenges · 0 writeupsno CTFtime writeups
- EasyCTF IV111 challenges · 167 writeups
- Ecsc Ro Quals 20185 challenges · 5 writeupsno CTFtime listing
- Ecw Qual 20181 challenge · 1 writeupno CTFtime listing
- EOF CTF FINAL 20181 challenge · 1 writeupno CTFtime listing
- EOF CTF QUALS 20186 challenges · 6 writeupsno CTFtime listing
- ESOR Meepwnctf 20181 challenge · 1 writeupno CTFtime listing
- Final UAE National Cyber Security CTF 20181 challenge · 1 writeupno CTFtime listing
- Flag Digger 20181 challenge · 1 writeupno CTFtime listing
- Flare On 201816 challenges · 17 writeupsno CTFtime listing
- Ganesh 0x01 20185 challenges · 5 writeupsno CTFtime listing
- Gctf 201812 challenges · 12 writeupsno CTFtime listing
- Glucose 20183 challenges · 3 writeupsno CTFtime listing
- Google CTF Quals 20181 challenge · 1 writeupno CTFtime listing
- GreHack CTF 201811 challenges · 11 writeups
- H1 702 Ctf 20181 challenge · 1 writeupno CTFtime listing
- Hackcon 201814 challenges · 15 writeupsno CTFtime listing
- Hacklu 20181 challenge · 1 writeupno CTFtime listing
- Hackvent 201862 challenges · 74 writeupsno CTFtime listing
- HackyEaster 201851 challenges · 51 writeupsno CTFtime listing
- Haskell WriteUps 20181 challenge · 2 writeupsno CTFtime listing
- HITB2018DXB Pre Conf CTF 20182 challenges · 2 writeupsno CTFtime listing
- HITBXCTF Quals 20184 challenges · 4 writeupsno CTFtime listing
- Homebrew Ctf 20181 challenge · 1 writeupno CTFtime listing
- HoneyCon 20181 challenge · 1 writeupno CTFtime listing
- HSCTF 510 challenges · 10 writeupsno CTFtime writeups
- Huawei CyberCrime101 20182 challenges · 2 writeupsno CTFtime listing
- IHC CTF 20181 challenge · 1 writeupno CTFtime listing
- inCTF 20185 challenges · 8 writeupsno CTFtime listing
- InnoCTF 2018 - quals1 challenge · 1 writeup
- INShAck 20182 challenges · 2 writeupsno CTFtime listing
- InsomniHack Teaser CTF 20181 challenge · 1 writeupno CTFtime listing
- Kaizen Arabia CTF2 challenges · 2 writeups
- KAPO 20181 challenge · 1 writeupno CTFtime listing
- Keep It Zipped Ctf Super Secret Files 20181 challenge · 2 writeupsno CTFtime listing
- KICTM CTF Writeup 201810 challenges · 10 writeupsno CTFtime listing
- Lecturas WriteUps 20181 challenge · 1 writeupno CTFtime listing
- M*CTF 2018 Final4 challenges · 4 writeups
- Matesctf 20182 challenges · 2 writeupsno CTFtime listing
- MatesCTF S3R21 challenge · 1 writeupno CTFtime listing
- MatesCTF The Numbers1 challenge · 1 writeupno CTFtime listing
- Metasploit Community CTF 20181 challenge · 1 writeupno CTFtime listing
- Mtp 20183 challenges · 3 writeupsno CTFtime listing
- Mtv Cribs Ctf 20181 challenge · 2 writeupsno CTFtime listing
- Mwr Playground 20184 challenges · 4 writeupsno CTFtime listing
- NC3 Jule CTF 20186 challenges · 6 writeupsno CTFtime listing
- NCL2018FALLPRE 20181 challenge · 1 writeupno CTFtime listing
- NCSAM Hacktober CTF 20182 challenges · 2 writeupsno CTFtime listing
- Ncstisc 20181 challenge · 1 writeupno CTFtime listing
- Neoquest 20182 challenges · 2 writeupsno CTFtime listing
- NoNameCon CTF Quals 20183 challenges · 3 writeups
- NorthSec 20182 challenges · 2 writeups
- Nsec 20188 challenges · 8 writeupsno CTFtime listing
- NTU course 201826 challenges · 37 writeupsno CTFtime listing
- Nu1l 20183 challenges · 3 writeupsno CTFtime listing
- Nullcon Goa 2018 Hardware CTF1 challenge · 1 writeupno CTFtime writeups
- NYPC 20183 challenges · 3 writeupsno CTFtime listing
- OPCDE CTF 201810 challenges · 10 writeupsno CTFtime listing
- OpenCTF 201812 challenges · 13 writeups
- Otaku WriteUps 20181 challenge · 1 writeupno CTFtime listing
- PACTF 201831 challenges · 48 writeups
- PCTF 20182 challenges · 2 writeupsno CTFtime listing
- Ph03nixCTF 20182 challenges · 2 writeupsno CTFtime listing
- picoCTF 2018275 challenges · 896 writeupsno CTFtime writeups
- PSUT CTF 20180 challenges · 0 writeupsno CTFtime writeups
- Pwnable.Xyz Challenge 20181 challenge · 1 writeupno CTFtime listing
- QCTF Starter 20183 challenges · 5 writeupsno CTFtime writeups
- Quals Uncategorized 20187 challenges · 7 writeupsno CTFtime listing
- Quiz WriteUps 20181 challenge · 1 writeupno CTFtime listing
- Realworldctf Stationescape 20181 challenge · 1 writeupno CTFtime listing
- RedHat 20188 challenges · 11 writeupsno CTFtime listing
- Rhme3 20186 challenges · 6 writeupsno CTFtime listing
- Riviera Maya e introducci n a Overthewire CTF1 challenge · 1 writeupno CTFtime listing
- RuCTF 20181 challenge · 1 writeupno CTFtime listing
- Samsung Quals 20181 challenge · 1 writeupno CTFtime listing
- Savefactory 20182 challenges · 2 writeupsno CTFtime listing
- Scs Ctf 20184 challenges · 4 writeupsno CTFtime listing
- SCTF 20181 challenge · 1 writeupno CTFtime listing
- Securinets CTF Finals 20181 challenge · 1 writeup
- Shabak Ctf Embedded Writeup 20182 challenges · 2 writeupsno CTFtime listing
- Solveme 20185 challenges · 5 writeupsno CTFtime listing
- StarHackademINT 20183 challenges · 3 writeupsno CTFtime listing
- STEM CTF: Cyber Challenge 201816 challenges · 19 writeups
- STMCTF 20183 challenges · 3 writeupsno CTFtime writeups
- SUSCTF 20181 challenge · 1 writeupno CTFtime listing
- Swpuctf 20181 challenge · 1 writeupno CTFtime listing
- TamuCTF 2k181 challenge · 1 writeupno CTFtime listing
- tasks ais3Final 20187 challenges · 7 writeupsno CTFtime listing
- TenDollar CTF 20181 challenge · 1 writeupno CTFtime listing
- Termina la investigacion WriteUps 20181 challenge · 1 writeupno CTFtime listing
- THC CTF 20185 challenges · 6 writeups
- Thuctf 201812 challenges · 12 writeupsno CTFtime listing
- Timctf2018writeups 20182 challenges · 2 writeupsno CTFtime listing
- Timisoara CTF 2018 Finals6 challenges · 6 writeups
- Tjctf 20183 challenges · 3 writeupsno CTFtime listing
- Tokyowesterns 20186 challenges · 6 writeupsno CTFtime listing
- Toothbrush 20181 challenge · 1 writeupno CTFtime listing
- TWCTF SimpleAuth 20181 challenge · 1 writeupno CTFtime listing
- Uniklctf 20181 challenge · 1 writeupno CTFtime listing
- Viettel MATESCTF 2nd Quals 20181 challenge · 1 writeupno CTFtime listing
- VincCTF1 challenge · 1 writeup
- VXCTF 20189 challenges · 9 writeupsno CTFtime listing
- Wangding 1st 20182 challenges · 2 writeupsno CTFtime listing
- Web Cookie Ctf 20181 challenge · 2 writeupsno CTFtime listing