There’s no end to the skullduggery that businesses will get involved in with the aim of making a quick buck, or trying to keep up with their competitors.

Of course, their fellow companies aren’t beyond their schemes, either. There’s a war going on out there, folks, and spying is part of the game – criminal or not.

Corporate espionage was a normal way of doing business back in days gone by, before copyright and patent protection brought the long arm of the law into play, but some companies still engage in the practice of acquiring trade secrets and business information by any means necessary.

Here are 10 infamous cases of industrial espionage.