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Data in transit, also referred to as data in motion [1] and data in flight, [2] is data en route between source and destination, typically on a computer network.
Data in transit can be separated into two categories: information that flows over the public or untrusted network such as the Internet and data that flows in the confines of a private network such as a corporate or enterprise local area network (LAN). [3]
Data in transit is used as a complement to the terms data in use , and data at rest which together define the three states of digital data. [4]