A few days ago I was presented with an interesting question: What is the difference between Content Protection and Cyber Security? These domains of Information Security are so different and unrelated, that the difference in their definition is more or less the entire definition of both. This question, however, was asked in the context of the factors that make each of these problems hard to solve. Both problems are hard ones, and seem to require more than the state of the art in security can provide; yet they are hard problems for completely different reasons.

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