Arena labs are offline.

Announcements

No announcements right now.

Hear when the next competition opens: announcements only, no marketing, unsubscribe from any email.

Practice now

Core and Box labs are always on.

• Falaj 0: Welcome Aboard intro
• Falaj 1: Where Am I? intro
• Falaj 2: Dotfiles intro
• Falaj 3: The Long Name intro

CTF blog

Write-ups appear here after each competition.

History

Past competitions, their winners and write-ups appear here.