CPCTF is a cybersecurity competition for beginners organized by traP. The competition format is Jeopardy and is held online. Pwn, Crypto, Rev, Web, Forensics, Shell, Misc, and PPC are available.

The contest will be held as an individual competition.

CPCTF2026 is sponsored by:
・e-Seikatsu, a company that is changing the real estate industry with IT.
・Fixstars Corporation, a group of performance engineering experts who maximize computer performance.
・pixiv Inc., offering a variety of services to make creative activities more funcentered around the social media platform “pixiv”.

Top-ranked general participants and top-ranked Institute of Science Tokyo students will receive prizes.