Also, how did my debit card number get stolen?
Debit card fraud can happen in multiple ways. The common denominator is thieves getting access to your debit card number or bank PIN and using that data to steal cash from your bank account or make pricey purchases using your debit card.
Also, how can someone use my debit card without having it? Debit cards can be used without entering a personal identification number or PIN, in what is known as an "off-line" transaction. Unlike a credit card, however, if you lose your debit card, a thief can drain your entire bank account (and even your line of credit) -- without knowing your PIN.
Simply so, what happens when someone steals your debit card number?
If someone makes unauthorized transactions with your debit card number, but your card is not lost, you are not liable for those transactions if you report them within 60 days of your statement being sent to you.
How did someone get my card details?
Cash machine fraud - Criminals target ATMs to steal cards and card data. This varies from peering over someone's shoulder to see their PIN, then stealing their card to using devices attached to an ATM which can copy card details and PINs or trap the card in the machine.