Once we get past the creep factor of Nazi army uniforms, we see a communications team sending a secret message. They are using the legendary Enigma machine to encrypt the message.
But why, why did that officer allow a photographer to record this highly sensitive activity?
A failure of operational security (OPSEC). Allies in Blechley Park would have sacrificed lives for this photo, or any photo showing the device in operation.
*** This is a Security Bloggers Network syndicated blog from Cryptosmith authored by cryptosmith. Read the original post at: https://cryptosmith.com/2018/11/13/this-photo-should-not-exist/