Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

If quantum communication becomes mainstream, our entire approach to digital security could change.

“The Naibbe cipher is my attempt to find a way to encode something like Latin by hand as text that partially mimics the ...

The Caesar Cipher is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter a fixed number ...

1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...

Cipher Mining has already begun shifting from pure Bitcoin mining toward AI and high‑performance computing data centers, backed by long-term hyperscale leasing agreements with Amazon Web Services and ...

Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years following more than a decade of devastating hacks that exploited it and ...

RC4 has been exploited in high-profile attacks across enterprise Windows networks Kerberoasting exploits weaknesses in Active Directory, allowing attackers to perform offline password cracking ...

The US Congress has approved the repeal of sweeping Syria sanctions, a package devised to punish former dictator Bashar al-Assad, but which officials say is now hindering the fragile state’s efforts ...

The Caesar Act was imposed in 2019 in response to widespread and systematic violations of human rights by the regime of former dictator Bashar al-Assad. By Abdi Latif Dahir and Reham Mourshed ...