An abbreviation for 'Capture The Flag,' a competitive sport or game where teams attempt to capture an opponent's flag while defending their own.
Modern acronym from English: 'Capture The Flag.' Emerged in the late 20th century as a formalized recreational and competitive activity, and also used in cybersecurity contexts.
Capture The Flag started as a children's playground game but evolved into a professional esports and cybersecurity competition—there are now international CTF hacking tournaments where teams compete to find vulnerabilities in code!
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