noun
confidentiality; nondisclosure
Formal term used in legal, business, and official contexts to refer to the protection of secrets or confidential information. Often appears in compound terms like 秘密保持契約 (confidentiality agreement).
See also: 秘密保持契約
秘密保持契約にサインしてください。
Please sign the confidentiality agreement.
このプロジェクトでは秘密保持が最優先です。
Confidentiality is the top priority in this project.
Compound of 秘密 (secret) + 保持 (maintenance, retention). The exact historical derivation is uncertain, but the term is a modern formal coinage.