Scope creep refers to the unauthorised change in the scope of a project. Some of the reasons for scope creep are poor work breakdown structure and lack of change control.  Mainly scope creep are of two types, that is, business scope creep and features or technology scope creep. These are explained below:

Business scope creep: This occurs when decisions related to the project scope are made to meet the requirements of the business.

Features or technology scope creep: This occurs when the technology
specialists add features which are not a part of the original project scope.