In addition, this agreement must be revised if the parties are not sharing confidential information on a fully mutual basis and the parties are instead entering. A Practice Note discussing overall protection of a company's confidential information and the use of confidentiality agreements (CAs).Apply for the VDA Program. Submit a completed Voluntary Disclosure Agreement application online. Confidentiality agreements are very useful to prevent unauthorized disclosures of information, but they have inherent limitations and risks. 1 Confidentiality of Investigatons and Proceedings Use a non-disclosure agreement (NDA) to protect trade secrets or sensitive information from being revealed. Download an NDA template here.