Producing Robust Programs

Producing Robust Programs

1. Defensive Design : Validation

   • protection against user inputs

2. Maintability

   • comments
   • Indentation
   • Formatting
     • Subroutines
   • Reduces chance of coding mistakes

3. Minimising / removing bugs

4. Test

   • program functions as it was designed
   • meets needs of users
   • Iterative testing
   • Final testing

5. Authentication

   • Defensive stategy
   • usernames and passwords
   • Access rights
   • Update their password reguarly
   • complex password
   • limit login attempts