Data in motion or data in transit refers to data that is transferred, generally over a network or on the internet. As multiple users access the transmitting resources, data may be exposed to several threats, and it is essential to ensure that the data is accessed only by the intended users. As discussed by Vesperman, encryption and authentication can be used to minimize unauthorized access to data in motion:
The secure transmission of data in transit relies on both encryption and authentication—on both the hiding or concealment of the data itself, and on ensuring that the computers at each end are the computers they say they are.
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