noun
breach of confidentiality; violation of confidentiality obligations
Refers to the act of breaking a legal or professional duty to keep information secret. Often used in legal, corporate, and medical contexts.
医師が患者の情報を漏らすのは守秘義務違反にあたる。
A doctor leaking patient information constitutes a breach of confidentiality.
It is possible to sue a company for breach of confidentiality.