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To coincide with the London Conference on Cyberspace Cyber Security Challenge dropped another cipher puzzle. It all kicked off with a tweet which lead to a page on the Foreign and Commonwealth Office So the big standy outy thing is the image with it's massive binary string across the middle there. Seems like a good place ...

Cybersecurity Challenge cipher day two of three, and we are presented with a password protected zip file. Quick look around Ubuntu and we see the only password cracker for zips in the repos is fcrackzip. One quick apt-get latter and we're off! Since we're supposed to break into this we should have a quick blast of ...

*Finally getting round to publishing this after writing it _months_ ago, others are in the pipeline half writen* The first one of three ciphers was aimed at under 18's so should be a gentle ease into the world of cipher puzzling again. We were presented with two wav files. Listening to them we see that they're ...

What follows is my method (and mistakes) when attempting the Cyber Security Challenge cipher puzzle. -- EDIT: The original cipher introduction has be removed but the cipher text is still there -- WARNING! HERE BE SPOILERS Stage 1 This cipher text was the start of a fun couple of hours puzzling for me. Oddly enough 3 ...