AI Used to Decrypt Medieval Ciphers

Researchers are deploying machine learning algorithms to break historical pencil-and-paper ciphers used in medieval plots, love letters, and diplomatic correspondence. The AI-driven decryption is unlocking secrets from centuries-old documents that have resisted traditional codebreaking methods.

AI Used to Decrypt Medieval Ciphers Researchers are using machine learning algorithms to decrypt https://www.bbc.com/future/article/20260527-plots-love-letters-and-diplomacy-the-medieval-secrets-being-revealed-by-ai historical pencil-and-paper ciphers. Researchers are using machine learning algorithms to decrypt https://www.bbc.com/future/article/20260527-plots-love-letters-and-diplomacy-the-medieval-secrets-being-revealed-by-ai historical pencil-and-paper ciphers. Subscribe to comments on this entry https://www.schneier.com/blog/archives/2026/06/ai-used-to-decrypt-medieval-ciphers.html/feed/ Sidebar photo of Bruce Schneier by Joe MacInnis.