Thursday, 26 November 2020

TIL about Leo Marks, WW2 cryptographer, who was given a 20 minute training exercise on his first day at work which took him the whole day to complete. He had accidentally not been given the cipher key and ended up breaking a code that was meant to be secure.

TIL about Leo Marks, WW2 cryptographer, who was given a 20 minute training exercise on his first day at work which took him the whole day to complete. He had accidentally not been given the cipher key and ended up breaking a code that was meant to be secure. submitted by /u/DiveBard to r/todayilearned
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