Utility-
Utility refers to how useful the data is to us. Utility is also the only principle of the Parkerian hexad that is not necessarily binary in nature; we can have a variety of degrees of utility, depending on the data and its format. This is a somewhat abstract concept, but it does prove useful in discussing certain situations in the security world. For instance, in one of our earlier examples we had a shipment of backup tapes, some of which were encrypted and some of which were not. For an attacker, or other unauthorized person, the encrypted tapes would likely be of very little utility, as the data would not be readable. The unencrypted tapes would be of much greater utility, as the attacker or unauthorized person would be able to access the data.
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