Machines Can Be Counterfeit, Too

Here's an excerpt from a short article that might interest you:
Fraunhofer Research Institute Develops Industrial Machines With Built-in Copy Protection
"Mention counterfeit goods and most people will probably think of knock-off watches or pirated DVDs, but counterfeiting is a much wider problem. Everything from aircraft components to groceries are faked on a regular basis, with a third of industries affected at an estimated worldwide cost of US$650 billion dollars. German machine tools are a favorite target...
and to help combat this the Fraunhofer Research Institution for Applied and Integrated Security (AISEC) in Garching, Germany, is developing new technologies and techniques to make counterfeiting of these items more difficult."
Read the entire article (http://www.gizmag.com/machine-copy-protection/25477/)