noun
Refers to the quality or state of being secret or confidential. Often used in legal, business, or technical contexts.
この情報の秘密性は厳重に守られなければならない。
The confidentiality of this information must be strictly protected.
契約書には秘密性に関する条項が含まれている。
The contract includes a clause regarding confidentiality.
機密性 is similar but often used for classified or highly sensitive information, whereas 秘密性 is broader and can apply to personal or general secrets.
Compound of 秘密 (secret) + 性 (nature, -ity). The exact historical derivation is straightforward; the word follows a common pattern for forming abstract nouns.