False radio traffic for enemy signals intelligence, and information gathered by civilian informers in Egypt, increased the Axis impression that these units were real and present in the theatre. Most of the civilian agents, however, were double agents controlled by 'A' force through a network called Cheese.
False radio signals and civilian intelligence reports exaggerated the Axis perception that these units existed and were active. Most of the civilian sources turned out to be double agents under control of 'A' force through a network identified as Cheese.