HTB Cyber Apocalypse CTF
Team up for five days of story-driven CTF challenges from very easy to insane
Cyber Apocalypse is Hack The Box's yearly global capture-the-flag event. For five days, solo players and teams of up to 30 work through a themed set of jeopardy-style challenges and race up a public scoreboard.
Free · Login needed · Browser · Beginner
About HTB Cyber Apocalypse CTF
The 2026 edition, The Salt Crown, listed challenges in web, reversing, pwn, forensics, crypto, blockchain, hardware, machines, cloud, ICS, coding and misc, rated from very easy to insane. The FAQ says it includes beginner-friendly challenges as well as hard ones, so it works as a first big CTF and as a test for experienced players.
Entry is free and you sign up with a Hack The Box account. It is separate from the regular Hack The Box labs.
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