TSG CTF International

Hello, hackers!🖥️ We are pleased to announce that TSG CTF 2025 will run for 24 hours, from 7:00 (UTC) on December 20. The winning team🏆 will be invited to the SECCON CTF 14 International Finals. We look forward to your participation! ctftime.org/event/2867 #tsg_ctf

🚩🚩🚩 Final Score 🚩🚩🚩 🥇 1st: pochita 🥈 2nd: BunkyoWesterns 🥉 3rd: negative squared cross mark Congratulations🎉 #tsg_ctf

TSG CTF 2025 is over! Thank you for your participation🚩 Just one thing: You can still submit the survey. Please fill it if you are missing! score.ctf.tsg.ne.jp/challenges #tsg_ctf

6 hours in!🚀 All challenges are now released. ctf.tsg.ne.jp #tsg_ctf

4 hours until the start... Have you registered yet? ▶️ ctf.tsg.ne.jp #tsg_ctf

Registration Open! One of the SECCON CTF 14 Affiliated Qualifiers is now open for registration! 🚀 TSG CTF 2025 🗓 Dec 20, 2025 07:00 UTC – Dec 21, 2025 07:00 UTC The top team from this competition will earn a spot in the SECCON CTF 14 Finals. #tsg_ctf #seccon #SECCON14 #CTF

Sorry to keep you waiting. Registration for TSG CTF 2025 is now OPEN!🚀 Less than 24 hours until the start—sign up now! ctf.tsg.ne.jp #tsg_ctf

(2/2) (*) Domesticチームとは ・予選に参加する構成メンバー全員が日本在住であること ・オンサイト決勝に参加するメンバー全員が日本在住であること の両方を満たすチームを指します。 皆さんのご参加をお待ちしています！ ctftime.org/event/2867 #tsg_ctf

[for Japanese teams] TSG CTF 2025では、2026年春にDomesticチーム(*)を対象としたオンサイト決勝を東京都内で開催予定です！ 参加できるチーム数や人数などの詳細は追ってお知らせします。 ⚠️SECCON CTF 14 国際決勝への招待枠は、12/20に行われる予選の結果により決まります ↓続 (1/2)

About SECCON CTF 14▶️seccon.jp/14/seccon/sche… #tsg_ctf

Hello, hackers!🖥️ We are pleased to announce that TSG CTF 2025 will run for 24 hours, from 7:00 (UTC) on December 20. The winning team🏆 will be invited to the SECCON CTF 14 International Finals. We look forward to your participation! ctftime.org/event/2867 #tsg_ctf

🚩🚩🚩Final Score🚩🚩🚩 1st: blue-lotus 2nd: DiceGang 3rd: SUSH1st Congratulations!!🎉 #tsg_ctf

TSG CTF 2024 is over! Thank you for your participation🚩 Just one thing: You can still submit the survey. Please fill it if you are missing! score.ctf.tsg.ne.jp/challenges #tsg_ctf

All challenges have been published. GANBATTE! #tsg_ctf

TSG CTF 2024 is starting soon! Here is the release schedule of the challenges. Please check it out! #tsg_ctf

TSG CTF 2024 starts in 4 hours! If you haven't registered yet, be sure to sign up soon! score.ctf.tsg.ne.jp #tsg_ctf

TSG CTF 2024 score server is now open. Register now! score.ctf.tsg.ne.jp #tsg_ctf

Flatt Securityは 12月14日(土), 15日(日)に開催されるTSG CTF 2024 @tsgctf に協賛させていただいております！ 入賞者は最大1,000USDの賞金を獲得できるほか、1位のチームはSECCON CTF 13 決勝戦(International)への出場権も得られます。ぜひご参加ください！ ctf.tsg.ne.jp

The winning team will also qualify for the SECCON CTF 2024 Finals (International Division). If the first-place team has already qualified, it will receive another entry unless it declines; if the team withdraws from qualification, the second-place team qualifies instead.

Sponsored by Flatt Security (@flatt_security), the top teams will receive the following prizes: 1st place: 1,000 USD 2nd place: 500 USD 3rd place: 200 USD

Hello, hackers! We are pleased to announce that TSG CTF 2024 will be held for 24 hours, starting at 7:00 (UTC) on December 14. (Sorry for the late announcement!) We will notify you again when the score server is live. We look forward to your participation! ctf.tsg.ne.jp