HISTORY / Military / Intelligence & Espionage

Paper · Semantic Scholar

Cyphers, or secret codes, have played an essential role in history as a means of communication and a tool for espionage and intelligence gathering. Throughout the centuries, various civilisations have developed cyphers to protect their messages from being intercepted by unauthorised parties. Encryption has evolved from the substitution and transposition cyphers used in history to complicated algorithms and protocols…

Reference · Wikidata

clandestine acquisition of confidential information