Sat, 20 Dec. 2025, 07:00 UTC — Sun, 21 Dec. 2025, 07:00 UTC 
On-line
A TSG CTF event.
Format: Jeopardy 
Official URL: https://ctf.tsg.ne.jp/
Future weight: to be determined
Event organizers
TSG is the official computer society of The University of Tokyo, and also the name of the CTF team organized by its members.
Sponsored by GMO Flatt Security
https://flatt.tech/en
Infra sponsored by goo.gle/ctfsponsorship
The winning team qualifies for the SECCON CTF 14 Finals (International Division).
See the following link for details on SECCON CTF 14.
https://www.seccon.jp/14/seccon/schedule.html
https://ctftime.org/event/2862
1st: 1,000 USD
2nd: 500 USD
3rd: 200 USD
Sponsor: GMO Flatt Security
https://flatt.tech/en
21 teams total
