Variable Personal Identification Number for Personal Banking Machine
Original Publication Date: 1989-Oct-01
Included in the Prior Art Database: 2005-Jan-29
Personal banking machines often have keyboards which are positioned such that an unauthorized person standing on the right or left may easily watch the entry of the personal identification number (PIN). If such a person also gets into possession of the eurocheque or credit card, he is able to withdraw cash, unless the account is blocked. There are also situations where a card is used by a thief only temporarily for the purpose of copying it and withdrawing small amounts of cash unnoticed over longer periods of time. To avoid this, many account holders/customers are reluctant to use banking machines.