Producing Robust Programs

Producing Robust Programs

1. Validation

   • checking input data is sensible and in the right format
   • types
     • range check
     • length check
     • presence check
     • format check
     • type check

2. Maintainability

   • the process of ensuring that a program is easy to understand, modify and update

3. Authentication

   • verifying the identity of a user

4. Santisation

   • data
     • the process of hiding or protecting data so it cannot be seen or disclosed
   • input
     • the process of checking entered data and removing dangerous inputs which could otherwise be used to cause damage to a program