An NDA, or Non-Disclosure Agreement, is a legally binding contract between two or more parties that outlines confidential information the parties wish to share with each other for certain purposes, but wish to restrict access to or by third parties. In cybersecurity, NDAs are crucial for protecting sensitive data, proprietary information, or trade secrets during business negotiations, partnerships, or employment. By signing an NDA, parties agree not to disclose or misuse the shared confidential information. Breaching an NDA can result in legal penalties, making it an essential tool for maintaining privacy and trust in digital and business environments.