POLISH CODEBREAKING DURING THE RUSSO-POLISH WAR OF 1919-1920

摘要

This article discusses the early Polish signals intelligence (SIGINT) and code breaking efforts during the Russo-Polish War of 1919-1920. It emphasizes the factors that favorably influenced the Polish signals intelligence success and its role in victory during the battle at the gates of Warsaw in August 1920. The article also briefs the measures related to signals intelligence, which improved the operational security in the Polish Army during the war.