Signal Security In The Ardennes Offensive 1944-1945

This thesis investigates the significance, theory and practice of tactical signal security (SIGSEC) during the Ardennes Offensive of 1944-1945. The work includes a brief introduction to the offensive and to the history of SIGSEC, and examines how the American and German armies safeguarded communications from the enemy. Inherent in this study was an investigation of actions taken by these armies to exploit their adversary's SIGSEC and the processing and exploitation of the signal intelligence (SI