noun
message flow confidentiality
Technical term in information security: protection against traffic analysis by concealing message flow patterns.
メッセージ流れ機密性は、通信の存在自体を隠すために重要です。
Message flow confidentiality is important for hiding the very existence of communication.
Traffic analysis is the attack that message flow confidentiality aims to prevent.
Compound of メッセージ (message), 流れ (flow), and 機密性 (confidentiality), likely a direct translation of the English information security term.