“We will have to transfer your details to a new card, which will be provided for free.”

Things to note:

• Call from unregistered number.
• Caller introduces herself as a bank employee.
• Mention of system upgrade to make recipient feel assured.
• Mention of account inaccessibility to pressure recipient.

Caller:

• Good morning, this is Nicky from Bank 32.
• I’m just calling to inform you that we are performing an upgrade to our system.
• This will make our network and security even better.
• However, your current ATM card is not compatible with the new system.
• We will have to transfer your details to a new card, which will be provided for free.
• We can send a representative to your house to arrange the card transfer.

Sample conversation was created to reflect a similar case.