It did, once, with the transportation of the 3,106 carat Cullinan Diamond, the world’s largest uncut diamond from South Africa to Edward VII in England.  This is one of Bruce Schneier’s favourite examples in his book Beyond Fear, however the general consensus is that obscurity alone should not be used when protecting assets.  The diamond crew were daring, audacious and wouldn’t be able to pull the same stunt again for some time, having revealed their covert transportation channel.  A defence in depth approach using more than one mechanism may benefit from a…