Displaying posts tagged: cipher
2011-11-10 2:32 pm
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 ...
2011-03-25 10:35 pm
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 ...
2011-01-05 9:50 pm
*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 ...
2010-10-07 7:11 pm
Cyber Security Challenge have a new cipher out today, tomorrow and Sat. Getting progressively harder. Today was quite easy but fun, I'll post the walk through of today's once the answer has been announced. Wouldn't want you cheating now would we?
2010-08-18 8:07 am
According to Cyber Security Challenge's FB page the "Next cipher challenge is in the pipeline." "In the pipeline" actually is some time in october. If you want some warning it might be worth following their twitter feed