During sign-up, HOOST Communications offers its clients the choice of receiving a signed N.D.A - Non Disclosure Agreement. It is a legal contract between HOOST Communication and its client that outline confidential materials the parties wish to share with one another for certain purposes, but wish to restrict access to and hence not to disclose information covered by the agreement. The overall goal is to protect any type of confidential and proprietary information or a trade secret. As such, an NDA protects non-public business information.