- http://ctf.seccon.jp/
- Scoreboard or local alternative for quals or local alternative for finals
- Number of solves per challenge
- @secconctf on Twitter
- Binary Karuta
- Bleeding “Heartbleed” Test Web
- Choose the number
- Easy Cipher
- Get from curious “FTP” server
- Get the key.txt
- Get the key
- jspuzzle
- REA-JUU WATCH
- Reverse it
- SECCON Wars: The Flag Awakens
- Shuffle
- The Golden Gate
- Welcome to SECCON