noun
content confidentiality
Technical term in computing and information security, referring to the protection of message or data content from unauthorized disclosure.
このプロトコルは内容機密性を保証します。
This protocol guarantees content confidentiality.
Compound of 内容 (ないよう, 'content') + 機密性 (きみつせい, 'confidentiality'). The exact derivation is uncertain; it is a modern technical term.