An acceptable use policy (AUP) is a document stipulating constraints and practices that a user must agree to for access to a corporate network or the Internet.
Many businesses and educational facilities require that employees or students sign an acceptable use policy before being granted a network ID.
When you sign up with an Internet service provider (ISP), you will usually be presented with an AUP, which states that you agree to adhere to stipulations such as:
Users also typically agree to report any attempt to break into their accounts.