Registration Now OPEN! peaCTF 2020 Round 1 starts on Sat, 24 Oct. 2020, 00:00 EST. peaCTF is an annual capture-the-flag competition in which participants hack, decrypt, reverse engineer, and search for hidden flags in puzzles, tackling real world cybersecurity challenges.Register
Challenging Problems in Your Favorite CTF Format
peaCTF Advanced is the continuation of our successful annual competition, providing challenging problems for high-achieving participants. peaCTF features dummy servers and websites that allow competitors to hone their skills in real practice.
A Global Community
peaCTF 2019 gathered more than 1600 participants, 450 teams, and represented a community of hackers and developers from 104 countries.