Displaying posts tagged: walkthrough

Oct 2011 Cyber Security Challenge cipher

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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 ...

Fri's Cyber Security Challenge (day 2 of 3)

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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 ...

Thurs' Cyber Security Challenge Cipher (day 1 of 3)

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*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 ...

Cipher Walkthrough

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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 ...