In 1854, Sir Charles Wheatstone invented the cipher known as "Playfair," named for his friend Lyon Playfair, first Baron Playfair of St. Andrews, who popularized and promoted the cipher.

Here's your chance to crack ciphers similar to those Bletchley Park's codebreakers faced during World War II. Below, we present three ciphers of different levels of difficulty, from easiest to ...

Deysel showcased his research project entitled “Breaking a Caesar Cipher/Vigenère Cipher Encryption for secure data communication”. This project aimed to identify vulnerabilities in ciphers ...

A cipher is a code used to protect information that is being stored or communicated, so that only people who are allowed to can access it. With this fun challenge, brought to you in partnership ...

Deysel, a Gold medal recipient at last year’s Eskom Expo ISF, will present his research project entitled “Breaking a Caesar Cipher/Vigenère Cipher Encryption for secure data communication”.

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

When 16-year-old Sabrina cracks the cryptic Parallax, she’s recruited to track down a serial killer... who might not be from this world. Starring Anya Chalotra and Chance Perdomo. Show more When ...