Name: Logon To System
Primary Actor: AtmCustomer
Scope: AtmMachine
Level: FishLevel
After swiping the AtmCard, the the user is asked for a password. The system verifies that a the card is legitimate and that the password corresponds to the card. The user is then given access to all the other ATM commands.
Note: this is a "Casual", rather than "Fully Dressed" UseCase...