ciphers
Codebreakers Find ‘Sexts,’ Arctic Dispatches in 200-Year-Old Encrypted Newspaper Ads
A group of cryptography enthusiasts have been able to crack the code of a series of encrypted newspaper ads linked to a rescue expedition in 1850.
Your Password Is Not Secure, and It's Not Your Fault
I consulted internet security expert Nik Cubrilovic and XKCD's Randall Munroe about how they would fix the problems in the world of passwords. Their ideas are simple, compelling, and almost impossible to implement.
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