Often the companies receiving the data have no idea they are working with the crown jewels of their customers.

FORBES: JargonSpy

Investigators are constantly being called in to sniff out traitors selling critical business information to the competition, or plotting to defect with the crown jewels - such as the client list, or details of products in development.

BBC: I spy with my private eye.....

As Willem-Alexander was sworn in as king of the Netherlands on Tuesday, the crown sat on a table next to him, along with the other regalia that make up the crown jewels.

BBC: King Willem-Alexander: Dutch crown explained

There are servers synchronized with the New York Stock Exchange and other exchanges, but many banks are keen on keeping the crown jewels in the server closet not the server farm.

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