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CTF🏁

A CTF (Capture The Flag) is a security competition where participants solve challenges to find “flags” (secret strings) hidden in the challenges. They are a great way to practice and learn cybersecurity skills.

The format:

  • Jeopardy-style: Solve challenges in various categories (e.g., web, crypto, forensics, reverse engineering).
  • Attack-defense: Teams attack each other’s systems while defending their own.

CTFs are gamified learning. Platforms: picoCTF, TryHackMe, OverTheWire, Hakkaraskóli GGFÍ, HackTheBox.