Officers were called to an address in North Perth on January 10th just before 1pm.
It was revealed that the victim received a message on their phone about suspicious activity on their credit card.
They subsequently received a call from a female who identified themselves as an employee of a bank.
They were advised to purchase gift cards and to her bank to withdraw cash.
The victim was told the money for the purchases would be transferred to her bank account.
The investigation is ongoing police advise.