Want to protect your sensitive emails? You might want to consider going retro -- and exploiting an unbreakable WWII-style cipher. The Vernam cipher was developed in 1917 by AT&T engineer Gilbert ...
A coded message sent by a brutal serial killer who has never been caught has been cracked more than 51 years after it was sent. This story originally appeared on Ars Technica, a trusted source for ...
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