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 ...

David Kwong, the magician, branches out with a festive Sunday puzzle.

Cipher Mining has acquired a 200-megawatt power site in Ohio, marking its first expansion outside Texas and entry into the ...

Deciphering the Data is a side quest added to ARC Raiders in the winter-themed Cold Snap update. This quest sends you to the ...

NIS2 puts identity and access controls under the spotlight, with weak passwords and poor authentication now a compliance risk ...

Google's support page has confirmed the closure, of which some users were initially notified via email. Scans for new dark web data breaches will stop on Jan. 15, 2026, and by Feb.16, 2026, the report ...

Half advice show. Half survival guide. Half absurdity-fest. (Wait, how does this work again? We're not numbers people.) Each episode, we answer all your burning questions, from how to survive a public ...

A unique archaeological site at Pompeii, Italy, reveals the secrets of peculiarly durable Roman building materials.

In the grim darkness of the far future, Space Marines are tactical, Eldar are sneaky and tragic, Guard are numerous and ...

New sportsbook users can claim the current Caesars promo code CBS250BM and get a first bet match up to $250 in bonus bets win or lose, including NBA, college football and NFL games tonight. Caesars ...

Learn what a seed phrase is, how crypto wallet recovery phrases work, whether they can be hacked, and what happens if you ...

Arc Raiders' Cold Snap blankets Speranza in snow, introducing frostbite dangers, Candleberry hunts, and higher-risk runs ...