One of the worst things that we can all imagine is unauthorised access to and abuse of our private computer networks. But what about cement distribution networks? How secure are they? Think about the web-based distribution network that you operate in your company as you answer the following questions: 'May I have access to your professional contacts?' The author is very sure that the answer will be 'No.' "Would you please give me the domain password to your account?" I am again sure that the answer will be 'No.'
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