Leffen is one of many non-experts who are now using large language models (LLMs) to break historical codes. Their efforts ...

GPT-6 codebreaking AI solved a 217-year-old Napoleonic cipher in six hours, revealing a lost military letter and ...

In March 1809, on the precipice of war with the Austrian Empire, French leader Napoleon Bonaparte sent a message to his senior general, Auguste de Marmont. The first line was in standard French: “You ...

After more than 200 years, a coded letter written by petite, problematic Napoleon Bonaparte has been deciphered.

🔐 Encrypt and decrypt messages using the Vigenère cipher in this simple web app, built with vanilla JavaScript, HTML, and CSS for classic cryptography.

Soldiers operate Caesar howitzers during an artillery demonstration day at the French Army camp of Canjuers, in the Var department, south-eastern France, on Oct. 20, 2025. (Frederic Dides/AFP via ...

Pulitzer Prize Winning Journalist Walter Pincus is a contributing senior national security columnist for The Cipher Brief. He spent forty years at The Washington Post, writing on topics that ranged ...

A lease extension at one Texas site just pushed Cipher Digital's contracted revenue potential into territory that is reshaping how Wall Street values the entire class of former Bitcoin miners now ...

We’re reimagining Microsoft Copilot to enable work as it evolves and to help expand what every individual and every organization can accomplish in the flow of human ambition. Today we’re introducing ...

Julius Caesar reportedly uttered “the die is cast” when he marched his troops across the Rubicon into Italy in 49 BC, suggesting that this was a fateful turning point in the history of Rome. While ...

The Dome Fire blazes in Yosemite National Park, over a week since it first sprouted on Sept. 15. Where does the fire stand? The fire started around 8:28 a.m. near the Wawona Dome in a remote part of ...