An international group of research cryptographers have deciphered over fifty letters, written and encoded by Mary, Queen of Scots, during her imprisonment and passed onto trusted French allies before her execution on February 8, 1587.
Lost and found: Codebreakers decipher 50+ letters of Mary, Queen of Scots | Ars Technica
This is not the first “Because It’s Friday” story covering historic ciphers being broken – Emperor Charles V’s letters from 1547 were deciphered last year:
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I am on the road and away from the office, so the news this week is “in brief”. You can still contact me via the contact page and Octagon Technology.