🇯🇵 Japan CTFs
← All CTFs| CTF | Organizer | Country | Challenges | Max weight | Latest |
|---|---|---|---|---|---|
| SECCON | SECCON CTF | 🇯🇵 Japan | 138 | 100.00 | 2025 |
| TSG | TSG | 🇯🇵 Japan | 107 | – | 2025 |
| CPCTF | traP | 🇯🇵 Japan | 98 | – | 2026 |
| LINE | LINE CTF | 🇯🇵 Japan | 86 | – | 2025 |
| zer0pts | zer0pts | 🇯🇵 Japan | 81 | 52.62 | 2023 |
| FullWeakEngineer | full_weak_engineer | 🇯🇵 Japan | 49 | 24.60 | 2025 |
| DIVEROSINT | diver_osint | 🇯🇵 Japan | 47 | – | 2025 |
| AlpacaHack | AlpacaHack team | 🇯🇵 Japan | 33 | – | 2025 |
| CakeCTF | insecure | 🇯🇵 Japan | 33 | 0.00 | 2023 |
| TokyoWesterns | TokyoWesterns | 🇯🇵 Japan | 21 | – | 2020 |
| LakeCTF | polygl0ts | 🇯🇵 Japan | 78 | 23.96 | 2025 |
| WaniCTF | Wani Hackase | 🇯🇵 Japan | 56 | 24.99 | 2024 |
| IERAE | – | 🇯🇵 Japan | 51 | – | 2025 |
| tkbctf | TPC | 🇯🇵 Japan | 32 | 25.00 | 2026 |
| BSidesAhmedabad | zer0pts | 🇯🇵 Japan | 23 | 25.00 | 2021 |
| sknbCTF | sknb | 🇯🇵 Japan | 16 | – | 2025 |
| Ricerca | Ricerca Security | 🇯🇵 Japan | 16 | 0.00 | 2023 |
| TsukuCTF | TaruTaru | 🇯🇵 Japan | 16 | 0.00 | 2023 |
| NDIASAutomotiveIoT | cartagaitai | 🇯🇵 Japan | 11 | 25.00 | 2026 |
| Harekaze | Harekaze | 🇯🇵 Japan | 5 | 23.87 | 2019 |
| CodeBlue | binja | 🇯🇵 Japan | 4 | 25.00 | 2018 |
| Automotive CTF Japan | VicOne Japan | 🇯🇵 Japan | 0 | 0.00 | 2024 |
| Trend Micro CTF - Raimund Genes Cup | Trend Micro | 🇯🇵 Japan | 0 | 45.00 | 2021 |
| April Fools' GTF | KyotoEasterns | 🇯🇵 Japan | 0 | 13.00 | 2019 |
| FIT-HACK CTF | FIT-HACK | 🇯🇵 Japan | 0 | 20.89 | 2017 |