Webenigma was a machine used by the german military to encode strategic messages during world war ii. Learn how it worked, how it was broken by the poles,. Webenigma was the brand of an enciphering machine invented at the tail end of the great war, in 1918, which was employed by the german military and other nations. Weblearn how the enigma machine, an ingenious encryption device used by the nazis in world war ii, was cracked by the allies using pioneering cryptanalysis. Webin june, 1944, the world renowned mathematician, john von neumann, joined with the eniac team to discuss the formal design of the next generation of computer systems.