traffic flow confidentiality
A technical term in network security referring to the protection of information that might be derived from observing traffic flows, such as source, destination, volume, and timing.
Traffic flow confidentiality is important for concealing the very existence of communication.
A compound of the English loanword トラフィックフロー (traffic flow) and 機密性 (confidentiality). The term is a direct translation of the English technical phrase 'traffic flow confidentiality'.