CPCTF 2025
CPCTF is a cybersecurity competition for beginners organized by traP. The competition format is Jeopardy and is held online. pwn, Crypto, Rev, Web, Shell, Misc, and other categories are available.
This year’s contest will be held as an individual competition.
CPCTF2025 is sponsored by: ・e-Seikatsu, a company that is changing the real estate industry with IT. ・Fixstars Corporation, a group of software acceleration experts who maximize computer performance.
Web 4
| Challenge | Has |
|---|---|
| Blend_Script | files |
| Name_Omikuji | files |
| String_Calculator | files |
| Typst_Note | files |
Pwn 6
| Challenge | Has |
|---|---|
| 2025 | files |
| Flag_Guardian | files |
| INTelligent | files |
| Useless_Agent | files |
| Wrong_Password | files |
| tasks | files |
Reverse 6
| Challenge | Has |
|---|---|
| Fortune_Teller | files |
| Guessing | files |
| Secret_Key | files |
| VIP_room | files |
| Whats_this | files |
| boundaries | files |
Crypto 6
| Challenge | Has |
|---|---|
| Add_and_multiple | files |
| Anomaly | files |
| Heroic_Code | files |
| One_More_PPC_Problem | files |
| Prime_Tester | files |
| RSA_Trial_2025 | files |
Forensics 4
| Challenge | Has |
|---|---|
| Cached_LLM | files |
| Event_analyze | files |
| Golden_Protocol | files |
| dark | files |
Misc 3
| Challenge | Has |
|---|---|
| Painting_Break | files |
| correctionless | files |
| shell | files |
OSINT 4
| Challenge | Has |
|---|---|
| Bench | files |
| Lethal | files |
| Timetable | files |
| yellow_train | files |