Depending on the nature of the transaction, the relationship and the information provided, each NDA ends up being different. In an NDA, the parties must not disclose personal or private information, while the parties must take proactive steps in a confidentiality agreement to ensure that the information is not disclosed or disclosed. Second, confidentiality agreements are more often used in professional or personal situations, while NDAs are used by third parties or start-up situations. Finally, DDNs are used when the non-disclosure obligation is unilateral, while confidentiality agreements are used when there is bilateral or multilateral disclosure of sensitive information. Sometimes, instead of NDA, the important terms of an NDA can simply be added to agreements in the form of a confidentiality clause. .