A 50-year-old mystery was recently solved when a group of intellectuals decoded a message allegedly sent by the infamous Zodiac killer. The message was sent to the San Francisco Chronicle in November ...

The National Security Agency can easily defeat the world’s most widely used cellphone encryption, a capability that means the agency can decode most of the billions of calls and texts that travel over ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction between ...

As part of our contribution to Cybersecurity Awareness Month, we’re making today Encryption Awareness Day here at TechPolicyDaily.com. Encryption is a key aspect of cybersecurity. Indeed, it is hard ...

This cipher is quite difficult with the amount of information available here. Wartime cryptanalysts expected to be able to solve for the keywords after 150 to 200 plaintext-ciphertext pairs were ...