Contest Information

Contest Information

06 March 2026, 8:00PM HKT - 08 March 2026, 8:00PM HKT
Online Jeopardy-style CTF competition
Application Deadline: 1 March 2026, 23:59 HKT
Application Form: Register Here Now
Advantageous admission conditions may apply if winning team members wish to pursue undergraduate programmes at PolyU.

Challenge Types

Artificial Intelligence (LLM)
Binary Exploitation (PWN)
Cryptography
Forensics
Reverse Engineering
Web Exploitation
Miscellaneous
and more...

Competition Categories

Category Eligibility
Secondary School All full-time secondary school (or equivalent qualification) students in Hong Kong
Higher Education Full-time students currently enrolled in a Higher Diploma or Associate Degree programme in Hong Kong who are 28 years old or younger during the competition period
Tertiary Institution Full-time students currently enrolled in a Bachelor’s Degree programme in Hong Kong who are 28 years old or younger during the competition period
Open Team All members are Hong Kong residents (Holding a valid Hong Kong Identity Card within the meaning of the Registration of Persons Ordinance - Cap. 177)

This contest is a team competition. The maximum number of members per team is FOUR. Each participant can only join ONE team and participate in ONE of the competition categories.

Within a single category and team, team members can be from different schools or institutions.

All participants must comply with the competition rules. The organizers reserve the right to determine the eligibility of each participant.

Write-up Verification

The top 5 teams of each category (except invited teams) are required to submit proof of their efforts (write-ups) on 3 solved challenges randomly selected by the organizers. The organizers will confirm the final ranking upon verification of the write-ups.

Team Names

Team names are composed of two parts: Team ID and Team Name.

  • Team ID is defined by organizers.
  • Team Name is either the name of the school/institution or any self-defined name during registration.

The naming format of each category is shown below:

Secondary School, Higher Education & Tertiary Institution:

Self-defined name with a maximum of 32 English alphabets, numbers, spaces, dash and underline, or assigned by the organizers.

Name format is {Team ID} - {School name of the members} or {Team ID} - {self-defined name}

Examples:

Team ID Separator School name or self-defined name
S0001 - Hung Hom East Secondary School
S0002 - team haha
T0001 - HKCC
T0002 - HKUSpace
T0003 - AbcU
U0001 - PolyU
U0002 - HKU
U0003 - CTFlovers

Open Team:

Self-defined name with a maximum of 32 English alphabets, numbers, spaces, dash and underline, or assigned by the organizers.

Name format is {Team ID} - {self-defined name}

Example:

Team ID Separator Self-defined name
O0001 - CTFExpert

The organizers reserve the right to change your team’s name at any time without prior notice if it is deemed inappropriate or in violation of any rules.