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Explore hands-on Wargame challenges built to reward curiosity, careful analysis, and persistence

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Test your security instincts

Compete in hands-on CTF challenges created by Korean DEFCON Finalists and Security Researchers

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IGNITION CTF Starts October 13

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New Administrators Join CodeShell.kr

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CodeShell.kr Wargame Round 1 Winner: AACDAI

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