Practice challenges

PECAN+ CTF is a Capture The Flag (CTF) style of cyber security competition. Use the links below to explore our archive of practice challenges.

These challenges are free to use and are intended to give competitors a taste of the style and complexity of our CTF. Challenges can be used to gauge the best level to enter the PECAN+ CTF competition at. For a handy guide to deciding on competition divisions see here.

Contact us for access to our challenge walkthroughs (updated 2025).

Challenge instructions: The objective of our CTF is to solve challenges, across a range of cyber security categories, by correctly uncovering a digital "flag" (string of text). Unless otherwise indicated, the PECAN+ CTF flag format is: pecan{correct_flag_here}