NDAs can prohibit employees from disclosing certain confidential information that the employees learn or have access to during the course of their employment. An NDA is a legal agreement which defines information that the parties wish to protect from dissemination and outlines restrictions on use.NDAs, or non-disclosure agreements, are legally enforceable contracts that create a confidential relationship between a person who has sensitive information. A Pennsylvania non-disclosure agreement (NDA) is a legal contract that safeguards confidential information shared between parties. This Practice Note discusses overall protection of a company's confidential information and the use of confidentiality agreements (also. A Pennsylvania NonDisclosure Agreement is used to establish a confidential relationship between parties and safeguard trade secrets. Disclosure agreement (NDA) is a contract between at least two parties who agree not to disclose certain confidential information shared between them. An NDA in the workplace is a legal contract that keeps employees from revealing their employer's secrets. To download and fill out the document, ensure that you have a pdf reader installed. If properly drafted, a Non-Disclosure Agreement can give you the right to enjoin a third party from improperly leaking confidential information.