A confidentiality disclosure, also known as a non-disclosure agreement or NDA, is a legal contract between two or more parties in which one or more parties agree to keep certain information confidential. This information is often sensitive or proprietary in nature and could be damaging to the business or individual if it were to be made public. The NDA outlines the specific information that is to be kept confidential, the duration of the agreement, and the penalties for any breaches of the agreement. Confidentiality disclosures are commonly used in business relationships, such as between a company and its employees or contractors, or between two companies entering into a partnership or joint venture. They are also used in other contexts, such as between an individual and their therapist or lawyer. The purpose of a confidentiality disclosure is to protect sensitive information and prevent it from being disclosed without the permission of the parties involved.