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HKCERT CTF 2026 (Qualifying Round)

Reasonable first CTF
Starts
Ends
Runs for
24 hours
Format
Jeopardy (online)
Rating weight
10.31 - Rated
Teams registered
not published

Run by HKCERT, with prizes listed on CTFtime.

Event siteRegister on CTFtime

What the organisers say

HKCERT Capture The Flag 2026,” organised by the Hong Kong Computer Emergency Response Team Coordination Centre (HKCERT), the Hong Kong Productivity Council (HKPC) and the Digital Policy Office of HKSAR, is now in its sixth edition. It is one of the largest cybersecurity competitions in Hong Kong, featuring four categories: Secondary School, Tertiary, Open, and International.

Prep briefing

What past editions were made of

Counted across 9 challenges from 2025, 2024, using the categories the scoreboards themselves used. Two things to hold in mind while reading it. The archive indexes challenges that someone published a solution to, not whole scoreboards, so this is the shape of what people wrote about rather than of everything that was set. And where a scoreboard gave no category the challenge lands in misc, so a large misc slice means “unlabelled” rather than “miscellaneous”.

9 challenges is a thin sample. Read the split below as a hint about this event rather than as its profile, and lean on the linked editions instead - they are the actual record.

  • web 100%(4)

What to have open when it starts

The challenges people wrote about most

From previous editions, ordered by how many published solutions each attracted. Reading two solutions to one of these is the closest thing to a warm-up for this event that exists.

Also starting that week