“You can’t bypass it if it’s over a certain amount. And for stores that offer cash back you need a PIN,” a third viewer added ...

While in-store purchases typically require entering your PIN, online shopping, for example, typically requires only your debit card number, expiration date and security code. Some debit cards also ...

Cheng says debit cards may not be the best option for purchases that need additional security, like electronics. If you're making a big purchase, a credit card often serves as a more suitable ...

On the outside, credit cards and debit cards look very similar: Both have 15-16 digits, expiration dates and security codes. In reality, credit cards and debit cards are not the same, and there's ...

there may be an automated system that helps you cancel your debit card — simply enter your account information, state the reason for canceling your card, and answer a few security questions.