A guest write-up by keidii - one of our guest players, who bravely fought with Dragon Sector against the ASIS CTF 2013 challenges!
Download: ASIS CTF Finals 2013 "Inaccessible" (PDF)
Inaccessible was a two-phase stegano/forensics challenge, where you started with a set of 100 GIF files. See the write-up for more details.
Trivia: Something one team discovered - it seems that one of the photos promoting the CTF contained a visible name of the file and directory of an early version of this task.
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